[ IP ]
128.138.135.43
#180,155Top IPs · 1M scope1 domain
Overview
Top IPs list rank
- 1M
- #180,155(1 domains)
- Hosted domains (90 days)
- 1
- Hosted domains (all time)
- 1
- First seen
- Wed Jul 15 2026 09:46:37 GM
- Last seen
- Sat Jul 25 2026 10:44:23 GM
- PDNS hits (90 days)
- 6
- Country
- US
- Snapshot
- 1970-01-01
Network operated by University of Colorado (UNIVER-24) (COLORADO).
List rank history
2 daily snapshots in the Top IPs list (1M scope). Lower rank numbers indicate more hosted domains in scope.
Whois — 128.138.135.43
- Netname
- COLORADO
- Organization
- University of Colorado (UNIVER-24)
- 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: 128.138.0.0 - 128.138.255.255 CIDR: 128.138.0.0/16 NetName: COLORADO NetHandle: NET-128-138-0-0-1 Parent: NET128 (NET-128-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: University of Colorado (UNIVER-24) RegDate: 1986-07-14 Updated: 2021-12-14 Ref: https://rdap.arin.net/registry/ip/128.138.0.0 OrgName: University of Colorado OrgId: UNIVER-24 Address: Office of Information Technology Address: 3645 Marine Street City: Boulder StateProv: CO PostalCode: 80309-0455 Country: US RegDate: 1986-03-11 Updated: 2019-06-25 Ref: https://rdap.arin.net/registry/entity/UNIVER-24 OrgAbuseHandle: ABUSE306-ARIN OrgAbuseName: Abuse OrgAbusePhone: +1-303-735-4357 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE306-ARIN OrgTechHandle: CUBOU-ARIN OrgTechName: CUBoulder OrgTechPhone: +1-303-735-4357 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/CUBOU-ARIN RAbuseHandle: ABUSE306-ARIN RAbuseName: Abuse RAbusePhone: +1-303-735-4357 RAbuseEmail: [email protected] RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE306-ARIN RTechHandle: CUBOU-ARIN RTechName: CUBoulder RTechPhone: +1-303-735-4357 RTechEmail: [email protected] RTechRef: https://rdap.arin.net/registry/entity/CUBOU-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 — 128.138.135.43
Port scan not run for 128.138.135.43 yet. Probes are queued from passive DNS IPs in the worker pipeline.