| Route | # IPs |
|---|---|
| 198.181.231.0/24 | 256 |
| 2001:428:9002:f806::/64 | ~18×10¹⁸ |
| 2620:10f:6000::/40 | ~309×10²⁴ |
| 128.150.0.0/16 | 65536 |
| 2001:428:2500:1c::/64 | ~18×10¹⁸ |
| 192.12.209.0/24 | 256 |
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#
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: 2025-05-22
Ref: https://rdap.arin.net/registry/entity/NSF
OrgAbuseHandle: BEVER25-ARIN
OrgAbuseName: Beverstock, David
OrgAbusePhone: +1-703-292-4563
OrgAbuseEmail: dbeverst@nsf.gov
OrgAbuseRef: https://rdap.arin.net/registry/entity/BEVER25-ARIN
OrgTechHandle: BEVER25-ARIN
OrgTechName: Beverstock, David
OrgTechPhone: +1-703-292-4563
OrgTechEmail: dbeverst@nsf.gov
OrgTechRef: https://rdap.arin.net/registry/entity/BEVER25-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
OrgTechHandle: ORGOW-ARIN
OrgTechName: Org-Owner
OrgTechPhone: +1-703-292-4223
OrgTechEmail: ccoyne@nsf.gov
OrgTechRef: https://rdap.arin.net/registry/entity/ORGOW-ARIN
OrgDNSHandle: ORGOW-ARIN
OrgDNSName: Org-Owner
OrgDNSPhone: +1-703-292-4223
OrgDNSEmail: ccoyne@nsf.gov
OrgDNSRef: https://rdap.arin.net/registry/entity/ORGOW-ARIN
OrgNOCHandle: BEVER25-ARIN
OrgNOCName: Beverstock, David
OrgNOCPhone: +1-703-292-4563
OrgNOCEmail: dbeverst@nsf.gov
OrgNOCRef: 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: ORGOW-ARIN
OrgAbuseName: Org-Owner
OrgAbusePhone: +1-703-292-4223
OrgAbuseEmail: ccoyne@nsf.gov
OrgAbuseRef: https://rdap.arin.net/registry/entity/ORGOW-ARIN
OrgRoutingHandle: ORGOW-ARIN
OrgRoutingName: Org-Owner
OrgRoutingPhone: +1-703-292-4223
OrgRoutingEmail: ccoyne@nsf.gov
OrgRoutingRef: https://rdap.arin.net/registry/entity/ORGOW-ARIN
OrgNOCHandle: ORGOW-ARIN
OrgNOCName: Org-Owner
OrgNOCPhone: +1-703-292-4223
OrgNOCEmail: ccoyne@nsf.gov
OrgNOCRef: https://rdap.arin.net/registry/entity/ORGOW-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#
| AS Number | Description | Country |
|---|---|---|
| AS6223 | CenturyLink Communications, LLC | US |
| AS Number | Description | Country |
|---|---|---|
| AS6223 | CenturyLink Communications, LLC | US |
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