[ IP ]

128.208.181.19

#408,762Top IPs · 1M scope0 domains

Overview

Top IPs list rank

1M: #408,762(25 observation hits)

Hosted domains (90 days): 0
Hosted domains (all time): 0
First seen
Last seen: Mon Oct 05 2026 10:31:20 GM
PDNS hits (90 days): 25
Country: US
Snapshot: 1970-01-01

Network operated by University of Washington (UWND-Z) (WASH-NSF).

List rank history

30 daily snapshots in the Top IPs list (1M scope). Lower rank numbers indicate more accumulated passive-DNS observation evidence.

Whois — 128.208.181.19

Netname: WASH-NSF
Organization: University of Washington (UWND-Z)
Country: US
ASN: —

Registry record

WHOIS

Registry fields

Network range: 128.208.0.0 - 128.208.255.255
CIDR: 128.208.0.0/16
Network name: WASH-NSF
Net Handle: NET-128-208-0-0-1
Parent network: NET128 (NET-128-0-0-0-0)

Hosted domains — PDNS pivot

No hosted domains found for 128.208.181.19 in passive DNS yet.

# # 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: 128.208.0.0 - 128.208.255.255 CIDR: 128.208.0.0/16 NetName: WASH-NSF NetHandle: NET-128-208-0-0-1 Parent: NET128 (NET-128-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: University of Washington (UWND-Z) RegDate: 1987-03-05 Updated: 2021-10-01 Ref: https://rdap.arin.net/registry/ip/128.208.0.0 OrgName: University of Washington OrgId: UWND-Z Address: 4545 15th Ave NE City: Seattle StateProv: WA PostalCode: 98105 Country: US RegDate: 2020-05-20 Updated: 2026-06-15 Ref: https://rdap.arin.net/registry/entity/UWND-Z OrgAbuseHandle: UWSO-ARIN OrgAbuseName: University of Washington Security Operations OrgAbusePhone: +1-206-221-7000 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/UWSO-ARIN OrgTechHandle: UW-NOC-ARIN OrgTechName: University of Washington Networks and Distributed OrgTechPhone: +1-206-221-6000 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/UW-NOC-ARIN OrgNOCHandle: UW-NOC-ARIN OrgNOCName: University of Washington Networks and Distributed OrgNOCPhone: +1-206-221-6000 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/UW-NOC-ARIN RTechHandle: UW-NOC-ARIN RTechName: University of Washington Networks and Distributed RTechPhone: +1-206-221-6000 RTechEmail: [email protected] RTechRef: https://rdap.arin.net/registry/entity/UW-NOC-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. #