DNSRegistration lookup
HOW THE INTERNET SEES A NETWORK

BGP looking glass.

Explore routing observations, origin networks and RPKI validation.

AS21301

RIPE RIS
Retrieved · 2026-10-02T00:48:22+00:00Snapshot · 2026-10-01T16:00:00ZView JSON
Registration / WHOIS →

UK-NATWEST-AS21301 Natwest Markets PLC

IPv4 prefixes
12 (2,816 addresses)
IPv6 prefixes
0
Snapshot interval
8 hours
PrefixFamilyDetails
155.136.202.0/23IPv4WHOIS · Paths & RPKI →
155.136.200.0/24IPv4WHOIS · Paths & RPKI →
155.136.56.0/24IPv4WHOIS · Paths & RPKI →
155.136.59.0/24IPv4WHOIS · Paths & RPKI →
155.136.56.0/22IPv4WHOIS · Paths & RPKI →
155.136.146.0/24IPv4WHOIS · Paths & RPKI →
155.136.200.0/23IPv4WHOIS · Paths & RPKI →
155.136.58.0/24IPv4WHOIS · Paths & RPKI →
155.136.144.0/24IPv4WHOIS · Paths & RPKI →
155.136.201.0/24IPv4WHOIS · Paths & RPKI →
155.136.151.0/24IPv4WHOIS · Paths & RPKI →
155.136.57.0/24IPv4WHOIS · Paths & RPKI →

RIPEstat / RIS observations represent participating peers, not every router on the Internet. Collector processing and snapshots introduce a delay.