| ASN | AS8075 |
| Registration Date | 2011-06-22 |
| Last Changed Date | 2021-12-15 |
| Abuse Email | [email protected] |
| Abuse Tel | +1-425-882-8080 |
| Hosted IPs | 65536 |
CIDR is a method for assigning IP addresses and defining IP address ranges more flexibly than the older class-based addressing methods. It allows network administrators to allocate IP addresses in smaller, more efficient blocks, which reduces address wastage. Below is a comprehensive list of all IP addresses within the CIDR block 138.91.0.0/16.
RDAP stands for Registration Data Access Protocol. It is a protocol used to access and retrieve registration data for internet resources such as domain names, IP addresses, and autonomous system numbers. RDAP has several advantages over the WHOIS protocol, including support for internationalization, secure access to data, and the ability to provide differentiated access to registration data. Here is the RDAP raw data for 138.91.0.0/16.
| Name | MICROSOFT |
| Registration Date | 2011-06-22 |
| Last Changed Date | 2021-12-15 |
| Technical Tel | +1-425-538-6637 |
| Technical EMAIL | [email protected] |
| Administrative Tel | +1-425-538-6637 |
| Administrative EMAIL | [email protected] |
| Abuse Tel | +1-425-882-8080 |
| Abuse EMAIL | [email protected] |
| Routing Tel | +1-425-516-2387 |
| Routing EMAIL | [email protected] |
1{
2 "rdapConformance": [
3 "nro_rdap_profile_0",
4 "rdap_level_0",
5 "cidr0",
6 "arin_originas0"
7 ],
8 "notices": [
9 {
10 "title": "Terms of Service",
11 "description": [
12 "By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
13 ],
14 "links": [
15 {
16 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
17 "rel": "terms-of-service",
18 "type": "text/html",
19 "href": "https://www.arin.net/resources/registry/whois/tou/"
20 }
21 ]
22 },
23 {
24 "title": "Whois Inaccuracy Reporting",
25 "description": [
26 "If you see inaccuracies in the results, please visit: "
27 ],
28 "links": [
29 {
30 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
31 "rel": "inaccuracy-report",
32 "type": "text/html",
33 "href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/"
34 }
35 ]
36 },
37 {
38 "title": "Copyright Notice",
39 "description": [
40 "Copyright 1997-2023, American Registry for Internet Numbers, Ltd."
41 ]
42 }
43 ],
44 "handle": "NET-138-91-0-0-1",
45 "startAddress": "138.91.0.0",
46 "endAddress": "138.91.255.255",
47 "ipVersion": "v4",
48 "name": "MICROSOFT",
49 "type": "DIRECT ALLOCATION",
50 "parentHandle": "NET-138-0-0-0-0",
51 "events": [
52 {
53 "eventAction": "last changed",
54 "eventDate": "2021-12-14T20:28:27-05:00"
55 },
56 {
57 "eventAction": "registration",
58 "eventDate": "2011-06-22T00:00:00-04:00"
59 }
60 ],
61 "links": [
62 {
63 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
64 "rel": "self",
65 "type": "application/rdap+json",
66 "href": "https://rdap.arin.net/registry/ip/138.91.0.0"
67 },
68 {
69 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
70 "rel": "alternate",
71 "type": "application/xml",
72 "href": "https://whois.arin.net/rest/net/NET-138-91-0-0-1"
73 }
74 ],
75 "entities": [
76 {
77 "handle": "MSFT-Z",
78 "vcardArray": [
79 "vcard",
80 [
81 [
82 "version",
83 {},
84 "text",
85 "4.0"
86 ],
87 [
88 "fn",
89 {},
90 "text",
91 "Microsoft Corp"
92 ],
93 [
94 "adr",
95 {
96 "label": "One Microsoft Way\nRedmond\nWA\n98052\nUnited States"
97 },
98 "text",
99 [
100 "",
101 "",
102 "",
103 "",
104 "",
105 "",
106 ""
107 ]
108 ],
109 [
110 "kind",
111 {},
112 "text",
113 "org"
114 ]
115 ]
116 ],
117 "roles": [
118 "registrant"
119 ],
120 "remarks": [
121 {
122 "title": "Registration Comments",
123 "description": [
124 "To report suspected security issues specific to \r",
125 "traffic emanating from Microsoft online services, \r",
126 "including the distribution of malicious content \r",
127 "or other illicit or illegal material through a \r",
128 "Microsoft online service, please submit reports \r",
129 "to:\r",
130 "* https://cert.microsoft.com. \r",
131 "\r",
132 "For SPAM and other abuse issues, such as Microsoft \r",
133 "Accounts, please contact:\r",
134 "* [email protected]. \r",
135 "\r",
136 "To report security vulnerabilities in Microsoft \r",
137 "products and services, please contact:\r",
138 "* [email protected]. \r",
139 "\r",
140 "For legal and law enforcement-related requests, \r",
141 "please contact:\r",
142 "* [email protected]\r",
143 "\r",
144 "For routing, peering or DNS issues, please \r",
145 "contact:\r",
146 "* [email protected]"
147 ]
148 }
149 ],
150 "links": [
151 {
152 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
153 "rel": "self",
154 "type": "application/rdap+json",
155 "href": "https://rdap.arin.net/registry/entity/MSFT-Z"
156 },
157 {
158 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
159 "rel": "alternate",
160 "type": "application/xml",
161 "href": "https://whois.arin.net/rest/org/MSFT-Z"
162 }
163 ],
164 "events": [
165 {
166 "eventAction": "last changed",
167 "eventDate": "2023-06-13T16:36:35-04:00"
168 },
169 {
170 "eventAction": "registration",
171 "eventDate": "2011-06-22T10:57:05-04:00"
172 }
173 ],
174 "entities": [
175 {
176 "handle": "SINGH683-ARIN",
177 "vcardArray": [
178 "vcard",
179 [
180 [
181 "version",
182 {},
183 "text",
184 "4.0"
185 ],
186 [
187 "adr",
188 {
189 "label": "818, 197th Ave SE\nSammamish\nWA\n98075\nUnited States"
190 },
191 "text",
192 [
193 "",
194 "",
195 "",
196 "",
197 "",
198 "",
199 ""
200 ]
201 ],
202 [
203 "fn",
204 {},
205 "text",
206 "Prachi Singh"
207 ],
208 [
209 "n",
210 {},
211 "text",
212 [
213 "Singh",
214 "Prachi",
215 "",
216 "",
217 ""
218 ]
219 ],
220 [
221 "kind",
222 {},
223 "text",
224 "individual"
225 ],
226 [
227 "email",
228 {},
229 "text",
230 "[email protected]"
231 ],
232 [
233 "tel",
234 {
235 "type": [
236 "work",
237 "voice"
238 ]
239 },
240 "text",
241 "+1-425-707-5601"
242 ]
243 ]
244 ],
245 "roles": [
246 "technical"
247 ],
248 "links": [
249 {
250 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
251 "rel": "self",
252 "type": "application/rdap+json",
253 "href": "https://rdap.arin.net/registry/entity/SINGH683-ARIN"
254 },
255 {
256 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
257 "rel": "alternate",
258 "type": "application/xml",
259 "href": "https://whois.arin.net/rest/poc/SINGH683-ARIN"
260 }
261 ],
262 "events": [
263 {
264 "eventAction": "last changed",
265 "eventDate": "2023-06-13T16:28:52-04:00"
266 },
267 {
268 "eventAction": "registration",
269 "eventDate": "2023-06-13T16:28:52-04:00"
270 }
271 ],
272 "status": [
273 "validated"
274 ],
275 "port43": "whois.arin.net",
276 "objectClassName": "entity"
277 },
278 {
279 "handle": "MRPD-ARIN",
280 "vcardArray": [
281 "vcard",
282 [
283 [
284 "version",
285 {},
286 "text",
287 "4.0"
288 ],
289 [
290 "adr",
291 {
292 "label": "One Microsoft Way\nRedmond\nWA\n98052\nUnited States"
293 },
294 "text",
295 [
296 "",
297 "",
298 "",
299 "",
300 "",
301 "",
302 ""
303 ]
304 ],
305 [
306 "fn",
307 {},
308 "text",
309 "Microsoft Routing, Peering, and DNS"
310 ],
311 [
312 "org",
313 {},
314 "text",
315 "Microsoft Routing, Peering, and DNS"
316 ],
317 [
318 "kind",
319 {},
320 "text",
321 "group"
322 ],
323 [
324 "email",
325 {},
326 "text",
327 "[email protected]"
328 ],
329 [
330 "tel",
331 {
332 "type": [
333 "work",
334 "voice"
335 ]
336 },
337 "text",
338 "+1-425-882-8080"
339 ]
340 ]
341 ],
342 "roles": [
343 "technical"
344 ],
345 "remarks": [
346 {
347 "title": "Registration Comments",
348 "description": [
349 "To report suspected security issues specific to \r",
350 "traffic emanating from Microsoft online services, \r",
351 "including the distribution of malicious content \r",
352 "or other illicit or illegal material through a \r",
353 "Microsoft online service, please submit reports \r",
354 "to:\r",
355 "* https://cert.microsoft.com. \r",
356 "\r",
357 "For SPAM and other abuse issues, such as Microsoft \r",
358 "Accounts, please contact:\r",
359 "* [email protected]. \r",
360 "\r",
361 "To report security vulnerabilities in Microsoft \r",
362 "products and services, please contact:\r",
363 "* [email protected]. \r",
364 "\r",
365 "For legal and law enforcement-related requests, \r",
366 "please contact:\r",
367 "* [email protected]\r",
368 "\r",
369 "For routing, peering or DNS issues, please \r",
370 "contact:\r",
371 "* [email protected]"
372 ]
373 }
374 ],
375 "links": [
376 {
377 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
378 "rel": "self",
379 "type": "application/rdap+json",
380 "href": "https://rdap.arin.net/registry/entity/MRPD-ARIN"
381 },
382 {
383 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
384 "rel": "alternate",
385 "type": "application/xml",
386 "href": "https://whois.arin.net/rest/poc/MRPD-ARIN"
387 }
388 ],
389 "events": [
390 {
391 "eventAction": "last changed",
392 "eventDate": "2022-10-16T09:00:52-04:00"
393 },
394 {
395 "eventAction": "registration",
396 "eventDate": "2013-08-20T19:26:59-04:00"
397 }
398 ],
399 "status": [
400 "validated"
401 ],
402 "port43": "whois.arin.net",
403 "objectClassName": "entity"
404 },
405 {
406 "handle": "IPHOS5-ARIN",
407 "vcardArray": [
408 "vcard",
409 [
410 [
411 "version",
412 {},
413 "text",
414 "4.0"
415 ],
416 [
417 "adr",
418 {
419 "label": "One Microsoft Way\nRedmond\nWA\n20147\nUnited States"
420 },
421 "text",
422 [
423 "",
424 "",
425 "",
426 "",
427 "",
428 "",
429 ""
430 ]
431 ],
432 [
433 "fn",
434 {},
435 "text",
436 "IPHostmaster IPHostmaster"
437 ],
438 [
439 "n",
440 {},
441 "text",
442 [
443 "IPHostmaster",
444 "IPHostmaster",
445 "",
446 "",
447 ""
448 ]
449 ],
450 [
451 "kind",
452 {},
453 "text",
454 "individual"
455 ],
456 [
457 "email",
458 {},
459 "text",
460 "[email protected]"
461 ],
462 [
463 "tel",
464 {
465 "type": [
466 "work",
467 "voice"
468 ]
469 },
470 "text",
471 "+1-425-538-6637"
472 ]
473 ]
474 ],
475 "roles": [
476 "technical",
477 "administrative"
478 ],
479 "links": [
480 {
481 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
482 "rel": "self",
483 "type": "application/rdap+json",
484 "href": "https://rdap.arin.net/registry/entity/IPHOS5-ARIN"
485 },
486 {
487 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
488 "rel": "alternate",
489 "type": "application/xml",
490 "href": "https://whois.arin.net/rest/poc/IPHOS5-ARIN"
491 }
492 ],
493 "events": [
494 {
495 "eventAction": "last changed",
496 "eventDate": "2022-10-13T18:53:01-04:00"
497 },
498 {
499 "eventAction": "registration",
500 "eventDate": "2021-10-13T17:30:13-04:00"
501 }
502 ],
503 "status": [
504 "validated"
505 ],
506 "port43": "whois.arin.net",
507 "objectClassName": "entity"
508 },
509 {
510 "handle": "BEDAR6-ARIN",
511 "vcardArray": [
512 "vcard",
513 [
514 [
515 "version",
516 {},
517 "text",
518 "4.0"
519 ],
520 [
521 "adr",
522 {
523 "label": "20003 NE 122nd PL\nWoodinville\nWA\n98077\nUnited States"
524 },
525 "text",
526 [
527 "",
528 "",
529 "",
530 "",
531 "",
532 "",
533 ""
534 ]
535 ],
536 [
537 "fn",
538 {},
539 "text",
540 "Dawn Bedard"
541 ],
542 [
543 "n",
544 {},
545 "text",
546 [
547 "Bedard",
548 "Dawn",
549 "",
550 "",
551 ""
552 ]
553 ],
554 [
555 "kind",
556 {},
557 "text",
558 "individual"
559 ],
560 [
561 "email",
562 {},
563 "text",
564 "[email protected]"
565 ],
566 [
567 "tel",
568 {
569 "type": [
570 "work",
571 "voice"
572 ]
573 },
574 "text",
575 "+1-425-538-6637"
576 ]
577 ]
578 ],
579 "roles": [
580 "technical"
581 ],
582 "links": [
583 {
584 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
585 "rel": "self",
586 "type": "application/rdap+json",
587 "href": "https://rdap.arin.net/registry/entity/BEDAR6-ARIN"
588 },
589 {
590 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
591 "rel": "alternate",
592 "type": "application/xml",
593 "href": "https://whois.arin.net/rest/poc/BEDAR6-ARIN"
594 }
595 ],
596 "events": [
597 {
598 "eventAction": "last changed",
599 "eventDate": "2023-02-22T12:24:37-05:00"
600 },
601 {
602 "eventAction": "registration",
603 "eventDate": "2016-10-20T15:51:33-04:00"
604 }
605 ],
606 "status": [
607 "validated"
608 ],
609 "port43": "whois.arin.net",
610 "objectClassName": "entity"
611 },
612 {
613 "handle": "MAC74-ARIN",
614 "vcardArray": [
615 "vcard",
616 [
617 [
618 "version",
619 {},
620 "text",
621 "4.0"
622 ],
623 [
624 "adr",
625 {
626 "label": "One Microsoft Way\nRedmond\nWA\n98052\nUnited States"
627 },
628 "text",
629 [
630 "",
631 "",
632 "",
633 "",
634 "",
635 "",
636 ""
637 ]
638 ],
639 [
640 "fn",
641 {},
642 "text",
643 "Microsoft Abuse Contact"
644 ],
645 [
646 "org",
647 {},
648 "text",
649 "Microsoft Abuse Contact"
650 ],
651 [
652 "kind",
653 {},
654 "text",
655 "group"
656 ],
657 [
658 "email",
659 {},
660 "text",
661 "[email protected]"
662 ],
663 [
664 "tel",
665 {
666 "type": [
667 "work",
668 "voice"
669 ]
670 },
671 "text",
672 "+1-425-882-8080"
673 ]
674 ]
675 ],
676 "roles": [
677 "abuse"
678 ],
679 "remarks": [
680 {
681 "title": "Registration Comments",
682 "description": [
683 "To report suspected security issues specific to traffic emanating from Microsoft Online Services, including the distribution of malicious content or other illicit or illegal material through a Microsoft Online Service, please submit reports to https://cert.microsoft.com. \r",
684 "For SPAM and other abuse issues, such as Microsoft Accounts, please contact [email protected]. \r",
685 "To report security vulnerabilities in Microsoft products and services, please contact [email protected]. \r",
686 "For legal and law enforcement-related requests, please contact [email protected]\r",
687 "For routing, peering or DNS issues, please contact [email protected]"
688 ]
689 }
690 ],
691 "links": [
692 {
693 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
694 "rel": "self",
695 "type": "application/rdap+json",
696 "href": "https://rdap.arin.net/registry/entity/MAC74-ARIN"
697 },
698 {
699 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
700 "rel": "alternate",
701 "type": "application/xml",
702 "href": "https://whois.arin.net/rest/poc/MAC74-ARIN"
703 }
704 ],
705 "events": [
706 {
707 "eventAction": "last changed",
708 "eventDate": "2023-01-09T14:54:40-05:00"
709 },
710 {
711 "eventAction": "registration",
712 "eventDate": "2013-08-20T19:24:57-04:00"
713 }
714 ],
715 "status": [
716 "validated"
717 ],
718 "port43": "whois.arin.net",
719 "objectClassName": "entity"
720 },
721 {
722 "handle": "CHATU3-ARIN",
723 "vcardArray": [
724 "vcard",
725 [
726 [
727 "version",
728 {},
729 "text",
730 "4.0"
731 ],
732 [
733 "adr",
734 {
735 "label": "1691 163rd TER NE\nBellevue\nWA\n98008\nUnited States"
736 },
737 "text",
738 [
739 "",
740 "",
741 "",
742 "",
743 "",
744 "",
745 ""
746 ]
747 ],
748 [
749 "fn",
750 {},
751 "text",
752 "Somesh Chaturmohta"
753 ],
754 [
755 "n",
756 {},
757 "text",
758 [
759 "Chaturmohta",
760 "Somesh",
761 "",
762 "",
763 ""
764 ]
765 ],
766 [
767 "kind",
768 {},
769 "text",
770 "individual"
771 ],
772 [
773 "email",
774 {},
775 "text",
776 "[email protected]"
777 ],
778 [
779 "tel",
780 {
781 "type": [
782 "work",
783 "voice"
784 ]
785 },
786 "text",
787 "+1-425-516-2387"
788 ]
789 ]
790 ],
791 "roles": [
792 "routing"
793 ],
794 "links": [
795 {
796 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
797 "rel": "self",
798 "type": "application/rdap+json",
799 "href": "https://rdap.arin.net/registry/entity/CHATU3-ARIN"
800 },
801 {
802 "value": "https://rdap.arin.net/registry/ip/138.91.0.0",
803 "rel": "alternate",
804 "type": "application/xml",
805 "href": "https://whois.arin.net/rest/poc/CHATU3-ARIN"
806 }
807 ],
808 "events": [
809 {
810 "eventAction": "last changed",
811 "eventDate": "2023-06-13T16:26:16-04:00"
812 },
813 {
814 "eventAction": "registration",
815 "eventDate": "2023-06-13T16:26:16-04:00"
816 }
817 ],
818 "status": [
819 "validated"
820 ],
821 "port43": "whois.arin.net",
822 "objectClassName": "entity"
823 }
824 ],
825 "port43": "whois.arin.net",
826 "objectClassName": "entity"
827 }
828 ],
829 "port43": "whois.arin.net",
830 "status": [
831 "active"
832 ],
833 "objectClassName": "ip network",
834 "cidr0_cidrs": [
835 {
836 "v4prefix": "138.91.0.0",
837 "length": 16
838 }
839 ],
840 "arin_originas0_originautnums": []
841}Below is a comprehensive list of all IP details for the CIDR block 138.91.0.0/16, including the count of domains, nameservers, and mailservers associated with it.
| IP | NUMS OF DOMAINS | MX | NS | CNAME |
|---|---|---|---|---|
| 138.91.0.30 | 13 | - | - | |
| 138.91.0.129 | 1 | - | - | - |
| 138.91.0.237 | - | - | - | - |
| 138.91.1.140 | - | - | - | - |
| 138.91.1.148 | - | - | - | |
| 138.91.2.154 | 1 | - | - | - |
| 138.91.3.164 | 1 | - | - | - |
| 138.91.3.170 | - | - | - | - |
| 138.91.4.77 | - | - | - | |
| 138.91.4.126 | 1 | - | - | - |
| 138.91.5.202 | 1 | - | - | - |
| 138.91.6.2 | - | - | - | |
| 138.91.6.5 | 1 | - | - | - |
| 138.91.6.30 | 1 | - | - | - |
| 138.91.6.248 | 1 | - | - | - |
| 138.91.7.16 | 1 | - | - | - |
| 138.91.9.192 | 1 | - | - | - |
| 138.91.10.178 | 1 | - | - | - |
| 138.91.11.6 | 1 | - | - | - |
| 138.91.11.83 | 1 | - | - | - |
| 138.91.11.104 | 1 | - | - | - |
| 138.91.12.13 | 1 | - | - | |
| 138.91.13.19 | 1 | - | - | - |
| 138.91.16.18 | 13 | - |
A name server, also known as a DNS (Domain Name System) server, is a fundamental component of the internet infrastructure that helps translate human-readable domain names into their corresponding numerical IP addresses. Here are the name servers hosted on all IP addresses within the CIDR range 138.91.0.0/16.
Mail server, also known as a mail exchange server (MX server), is a specific type of server responsible for handling incoming and outgoing email messages in the Domain Name System (DNS) infrastructure. Here are the mail servers hosted on all IP addresses within the CIDR range 138.91.0.0/16.
The netmask for CIDR 138.91.0.0/16 is 255.255.0.0. This defines the number of available IP addresses in the CIDR range
The network start address in CIDR 138.91.0.0/16 is 138.91.0.0 and the end address is 138.91.255.255
The ASN of 138.91.0.0/16 is 8075