arin
2025-02-11
4
1
66,048
16,777,216
CIDR | Description | IP Num |
---|---|---|
128.150.0.0/24 | National Science Foundation | 256 |
128.150.0.0/16 | National Science Foundation | 65536 |
192.12.209.0/24 | National Science Foundation | 256 |
198.181.231.0/24 | National Science Foundation | 256 |
CIDR | Description | IP NUMs(prefix /64) |
---|---|---|
2620:10f:6000::/40 | National Science Foundation | 16777216 |
AS | Description | Country/Region | IPv4 NUMs | IPv6 NUMs | IPv4 | IPv6 |
---|---|---|---|---|---|---|
AS6223 | CENTURYLINK-MTIPS1-STN - CenturyLink Communications, LLC, US |
|
2,560 | 1,114,112 | IPv4 ![]() |
IPv6 ![]() |
ASNumber: 102 ASName: NSF-HQ-AS ASHandle: AS102 RegDate: 1987-03-31 Updated: 2025-02-11 Ref: https://rdap.arin.net/registry/autnum/102 OrgName: U.S. National Science Foundation OrgId: NSF Address: 2415 Eisenhower Avenue City: Alexandria StateProv: VA PostalCode: 22314 Country: US RegDate: Updated: 2025-02-11 Ref: https://rdap.arin.net/registry/entity/NSF OrgTechHandle: BEVER25-ARIN OrgTechName: Beverstock, David OrgTechPhone: +1-571-296-5657 OrgTechEmail: dbeverst@nsf.gov OrgTechRef: https://rdap.arin.net/registry/entity/BEVER25-ARIN OrgNOCHandle: BEVER25-ARIN OrgNOCName: Beverstock, David OrgNOCPhone: +1-571-296-5657 OrgNOCEmail: dbeverst@nsf.gov OrgNOCRef: https://rdap.arin.net/registry/entity/BEVER25-ARIN OrgAbuseHandle: BEVER25-ARIN OrgAbuseName: Beverstock, David OrgAbusePhone: +1-571-296-5657 OrgAbuseEmail: dbeverst@nsf.gov OrgAbuseRef: https://rdap.arin.net/registry/entity/BEVER25-ARIN OrgNOCHandle: NSFNO-ARIN OrgNOCName: NSF NOC OrgNOCPhone: +1-703-292-5050 OrgNOCEmail: arin-noc@nsf.gov OrgNOCRef: https://rdap.arin.net/registry/entity/NSFNO-ARIN OrgAbuseHandle: NSFAB-ARIN OrgAbuseName: NSF Abuse OrgAbusePhone: +1-703-292-5050 OrgAbuseEmail: arin-abuse@nsf.gov OrgAbuseRef: https://rdap.arin.net/registry/entity/NSFAB-ARIN