[ IP ]

198.51.100.4

#479,700Top IPs · 1M scope0 domains

Overview

Top IPs list rank

1M: #479,700(23 observation hits)

Hosted domains (90 days): 0
Hosted domains (all time): 0
First seen: Wed Jul 15 2026 18:12:26 GM
Last seen: Fri Oct 02 2026 12:12:07 GM
PDNS hits (90 days): 23
Country: US
Snapshot: 1970-01-01

Network operated by Internet Assigned Numbers Authority (IANA) (TEST-NET-1).

List rank history

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

Whois — 198.51.100.4

Netname: TEST-NET-1
Organization: Internet Assigned Numbers Authority (IANA)
Country: US
ASN: —

Registry record

WHOIS

Registry fields

Network range: 198.51.100.0 - 198.51.100.255
CIDR: 198.51.100.0/24
Network name: TEST-NET-1
Net Handle: NET-198-51-100-0-1
Parent network: NET198 (NET-198-0-0-0-0)

Hosted domains — PDNS pivot

No hosted domains found for 198.51.100.4 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: 198.51.100.0 - 198.51.100.255 CIDR: 198.51.100.0/24 NetName: TEST-NET-1 NetHandle: NET-198-51-100-0-1 Parent: NET198 (NET-198-0-0-0-0) NetType: IANA Special Use OriginAS: Organization: Internet Assigned Numbers Authority (IANA) RegDate: 2009-08-26 Updated: 2024-05-24 Comment: Addresses starting with "192.0.2.", "198.51.100.", or "203.0.113." are reserved for use in documentation and sample configurations. They should never be used in a live network configuration. No one has permission to use these addresses on the Internet. Comment: Comment: Network operators should add these address blocks to the list of non-routable address space, and if packet filters are deployed, then these address blocks should be added to packet filters. These blocks are not for local use, and the filters may be used in both local and public contexts. Comment: Comment: These addresses are assigned by the IETF, the organization that develops Internet protocols, in the Informational document RFC 5737, which can be found at: Comment: http://datatracker.ietf.org/doc/rfc5737 Ref: https://rdap.arin.net/registry/ip/198.51.100.0 OrgName: Internet Assigned Numbers Authority OrgId: IANA Address: 12025 Waterfront Drive Address: Suite 300 City: Los Angeles StateProv: CA PostalCode: 90292 Country: US RegDate: Updated: 2024-05-24 Ref: https://rdap.arin.net/registry/entity/IANA OrgTechHandle: IANA-IP-ARIN OrgTechName: ICANN OrgTechPhone: +1-310-301-5820 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/IANA-IP-ARIN OrgAbuseHandle: IANA-IP-ARIN OrgAbuseName: ICANN OrgAbusePhone: +1-310-301-5820 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/IANA-IP-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. #