[ IP ]
128.231.91.35
#428,967Top IPs · 1M scope1 domain
Overview
Top IPs list rank
- 1M
- #428,967(1 domains)
- Hosted domains (90 days)
- 1
- Hosted domains (all time)
- 1
- First seen
- Last seen
- Wed Jul 22 2026 17:21:32 GM
- PDNS hits (90 days)
- 2
- Country
- US
- Snapshot
- 1970-01-01
Network operated by National Institutes of Health (NIH-Z) (NIHNET-1).
List rank history
2 daily snapshots in the Top IPs list (1M scope). Lower rank numbers indicate more hosted domains in scope.
Whois — 128.231.91.35
- Netname
- NIHNET-1
- Organization
- National Institutes of Health (NIH-Z)
- Country
- US
- ASN
- —
Full whois record
# # 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 1997-2026, American Registry for Internet Numbers, Ltd. # NetRange: 128.231.0.0 - 128.231.255.255 CIDR: 128.231.0.0/16 NetName: NIHNET-1 NetHandle: NET-128-231-0-0-1 Parent: NET128 (NET-128-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: National Institutes of Health (NIH-Z) RegDate: 1987-05-06 Updated: 2022-10-28 Ref: https://rdap.arin.net/registry/ip/128.231.0.0 OrgName: National Institutes of Health OrgId: NIH-Z Address: 9000 Rockville Pike Address: MSC 4805 City: Bethesda StateProv: MD PostalCode: 20892-4805 Country: US RegDate: 2022-10-09 Updated: 2025-06-05 Ref: https://rdap.arin.net/registry/entity/NIH-Z OrgNOCHandle: NIHAD-ARIN OrgNOCName: NIHadm OrgNOCPhone: +1-301-402-3141 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/NIHAD-ARIN OrgRoutingHandle: NIHTE-ARIN OrgRoutingName: NIHtechs OrgRoutingPhone: +1-301-402-3141 OrgRoutingEmail: [email protected] OrgRoutingRef: https://rdap.arin.net/registry/entity/NIHTE-ARIN OrgTechHandle: NIHTE-ARIN OrgTechName: NIHtechs OrgTechPhone: +1-301-402-3141 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/NIHTE-ARIN OrgDNSHandle: NIHAD-ARIN OrgDNSName: NIHadm OrgDNSPhone: +1-301-402-3141 OrgDNSEmail: [email protected] OrgDNSRef: https://rdap.arin.net/registry/entity/NIHAD-ARIN OrgAbuseHandle: NIHTE-ARIN OrgAbuseName: NIHtechs OrgAbusePhone: +1-301-402-3141 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/NIHTE-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 1997-2026, American Registry for Internet Numbers, Ltd. #
Open ports — 128.231.91.35
Port scan not run for 128.231.91.35 yet. Probes are queued from passive DNS IPs in the worker pipeline.