United Statesarin
2010-01-06
2010-01-06
9
4
10,240
16,842,752
| CIDR | Description | IP Num |
|---|---|---|
38.124.249.0/24
|
Cogent Communications, LLC | 256 |
|
63.239.135.0/24
|
University of Maryland | 256 |
|
65.113.61.0/24
|
University of Maryland | 256 |
|
65.127.220.0/23
|
University of Maryland | 512 |
|
199.7.91.0/24
|
University of Maryland | 256 |
206.196.160.0/19
|
University of Maryland | 8192 |
|
206.196.176.0/21
|
University of Maryland | 2048 |
|
206.196.191.0/24
|
University of Maryland | 256 |
|
209.201.74.0/23
|
University of Maryland | 512 |
| CIDR | Description | IP NUMs(prefix /64) |
|---|---|---|
|
2001:468:c00::/41
|
University of Maryland | 8388608 |
|
2001:468:c00::/40
|
University of Maryland | 16777216 |
|
2001:468:c0e::/48
|
University of Maryland | 65536 |
|
2001:500:2d::/48
|
University of Maryland | 65536 |
| AS | Description | Country / Region | IPv4 NUMs | IPv6 NUMs | IPv4 | IPv6 |
|---|---|---|---|---|---|---|
| AS293 | ESNET - ESnet, US |
|
140,800 | 4,295,163,904 | IPv4  |
IPv6 |
| AS1000 | LINK-AMERICAN - LINK AMERICAN, US |
|
0 | 0 | IPv4 |
 |
| AS3257 | GTT-BACKBONE - GTT Communications Inc., US |
|
8,552,448 | 442,382,745,600 | IPv4 |
IPv6 |
| AS3356 | LEVEL3 - Level 3 Parent, LLC, US |
|
28,864,512 | 81,626,398,720 | IPv4 |
IPv6 |
| AS6461 | ZAYO-6461 - Zayo Bandwidth, US |
|
1,751,552 | 51,808,436,224 | IPv4 |
IPv6 |
| AS42 | WOODYNET-1 - WoodyNet, Inc., US |
|
58,112 | 14,680,064 | IPv4 |
IPv6 |
| AS174 | COGENT-174 - Cogent Communications, LLC, US |
|
36,233,472 | 215,834,689,537 | IPv4 |
IPv6 |
| AS1299 | TWELVE99 - Arelion Sweden AB, SE |
|
411,392 | 77,326,778,368 | IPv4 |
IPv6 |
| AS11164 | INTERNET2-I2PX - Internet2, US |
|
2,048 | 17,170,432 | IPv4 |
IPv6 |
| AS11537 | INTERNET2-RESEARCH-EDU - Internet2, US |
|
9,984 | 4,294,967,296 | IPv4 |
IPv6 |
| AS | Description | Country / Region | IPv4 NUMs | IPv6 NUMs | IPv4 | IPv6 |
|---|---|---|---|---|---|---|
| AS25807 | ARLINGTONVA - Arlington County Government, US |
|
32,768 | 0 | IPv4 |
|
| AS393689 | NLM-NCCS - National Library of Medicine, US |
|
2,304 | 65,536 | IPv4 |
IPv6 |
| AS4 | ISI-AS - University of Southern California, US |
|
67,328 | 8,590,262,272 | IPv4 |
|
| AS27 | UMDNET - University of Maryland, US |
|
133,632 | 393,216 | IPv4 |
IPv6 |
| AS4901 | CAAREN - The George Washington University, US |
|
1,024 | 1,048,576 | IPv4 |
IPv6 |
| AS7847 | NASA-HPCC-ESS - NASA Goddard Space Flight Center, US |
|
65,536 | 65,536 | IPv4 |
IPv6 |
| AS26020 | STSCI-NET - Space Telescope Science Institute, US |
|
33,280 | 0 | IPv4 |
|
| AS40148 | PRINCE-GEORGES-INTERGOVERNMENTAL-NETWORK - PRINCE GEORGES INTERGOVERNMENTAL NETWORK COMMUNITY COORDINATING COMMITTEE, US |
|
1,024 | 0 | IPv4 |
|
| AS22767 | AS22767 - National Aeronautics and Space Administration, US |
|
0 | 65,536 | |
IPv6 |
| AS3527 | NIH-NET - National Institutes of Health, US |
|
336,640 | 2,097,152 | IPv4 |
IPv6 |
| AS3999 | PENN-STATE - The Pennsylvania State University, US |
|
443,904 | 4,294,967,296 | IPv4 |
IPv6 |
| AS6059 | UMS2-ASN - University System of Maryland, US |
|
138,496 | 16,777,216 | IPv4 |
IPv6 |
| AS11131 | UMBC-AS - University of Maryland Baltimore County (UMBC), US |
|
82,176 | 1,048,576 | IPv4 |
IPv6 |
| AS25631 | GALLAUDET - Gallaudet University, US |
|
2,560 | 65,536 | IPv4 |
IPv6 |
| AS268 | USUHSNET-AS - Uniformed Services University of the Health Sciences, US |
|
512 | 0 | IPv4 |
|
| AS1848 | AS1848 - National Aeronautics and Space Administration, US |
|
6,144 | 65,536 | IPv4 |
IPv6 |
| AS27026 | NETWORKMARYLAND - networkMaryland, US |
|
65,792 | 4,294,967,296 | IPv4 |
|
| AS46543 | UMB - University of Maryland, Baltimore, US |
|
65,536 | 0 | IPv4 |
|
| AS70 | NLM-GW - National Library of Medicine, US |
|
65,536 | 131,072 | IPv4 |
IPv6 |
| AS2532 | LOC - Library of Congress, US |
|
65,536 | 0 | IPv4 |
|
| AS5723 | JHU - Johns Hopkins University, US |
|
135,680 | 4,294,967,296 | IPv4 |
IPv6 |
| AS11956 | NOAA-XWAVE - National Oceanic and Atmospheric Administration, US |
|
0 | 0 | IPv4 |
IPv6 |
ASNumber: 10886 ASName: MAX-GIGAPOP ASHandle: AS10886 RegDate: 1997-12-17 Updated: 2025-04-22 Ref: https://rdap.arin.net/registry/autnum/10886 OrgID: UNIVER-262-Z OrgName: University of Maryland CanAllocate: Street: Office of Information Technology Street: Patuxent Building City: College Park State/Prov: MD Country: US PostalCode: 20742 RegDate: 2010-01-06 Updated: 2010-01-06 OrgAdminHandle UM-ORG-ARIN OrgTechHandle UM-ORG-ARIN OrgAbuseHandle UARA-ARIN Source: ARIN OrgAdminHandleHandle: UM-ORG-ARIN OrgAdminHandleName: UMD DNS Admin Role Account, OrgAdminHandlePhone: +1-301-405-9955 OrgAdminHandleEmail: [email protected] OrgAdminHandleRef: https://rdap.arin.net/registry/entity/UM-ORG-ARIN OrgTechHandleHandle: UM-ORG-ARIN OrgTechHandleName: UMD DNS Admin Role Account, OrgTechHandlePhone: +1-301-405-9955 OrgTechHandleEmail: [email protected] OrgTechHandleRef: https://rdap.arin.net/registry/entity/UM-ORG-ARIN OrgAbuseHandleHandle: UARA-ARIN OrgAbuseHandleName: UMD Abuse Role Account, OrgAbuseHandlePhone: +1-301-405-8787 OrgAbuseHandleEmail: [email protected] OrgAbuseHandleRef: https://rdap.arin.net/registry/entity/UARA-ARIN RTechHandleHandle: DDI2-ARIN RTechHandleName: Diller, Dave RTechHandlePhone: +1-301-314-4155 RTechHandleEmail: [email protected] RTechHandleRef: https://rdap.arin.net/registry/entity/DDI2-ARIN RTechHandleHandle: MAXNO-ARIN RTechHandleName: MAX NOC, RTechHandlePhone: +1-301-314-6666 RTechHandleEmail: [email protected] RTechHandleRef: https://rdap.arin.net/registry/entity/MAXNO-ARIN RAbuseHandleHandle: MAXNO-ARIN RAbuseHandleName: MAX NOC, RAbuseHandlePhone: +1-301-314-6666 RAbuseHandleEmail: [email protected] RAbuseHandleRef: https://rdap.arin.net/registry/entity/MAXNO-ARIN RNOCHandleHandle: MAXNO-ARIN RNOCHandleName: MAX NOC, RNOCHandlePhone: +1-301-314-6666 RNOCHandleEmail: [email protected] RNOCHandleRef: https://rdap.arin.net/registry/entity/MAXNO-ARIN