DNSRegistration lookup
HOW THE INTERNET SEES A NETWORK

BGP looking glass.

Explore routing observations, origin networks and RPKI validation.

AS1742

RIPE RIS
Retrieved · 2026-09-23T20:00:39+00:00Snapshot · 2026-09-23T16:00:00ZView JSON
Registration / WHOIS →

HARVARD-UNIV - Harvard University

IPv4 prefixes
14
IPv6 prefixes
4
Snapshot interval
8 hours
PrefixFamilyDetails
199.94.60.0/22IPv4WHOIS · Paths & RPKI →
140.247.179.128/26IPv4WHOIS · Paths & RPKI →
131.142.0.0/16IPv4WHOIS · Paths & RPKI →
65.112.0.0/20IPv4WHOIS · Paths & RPKI →
140.247.236.0/24IPv4WHOIS · Paths & RPKI →
140.247.111.0/24IPv4WHOIS · Paths & RPKI →
192.131.102.0/24IPv4WHOIS · Paths & RPKI →
67.134.204.0/22IPv4WHOIS · Paths & RPKI →
140.247.0.0/16IPv4WHOIS · Paths & RPKI →
128.103.0.0/16IPv4WHOIS · Paths & RPKI →
192.5.66.0/24IPv4WHOIS · Paths & RPKI →
192.54.223.0/24IPv4WHOIS · Paths & RPKI →
140.247.152.0/24IPv4WHOIS · Paths & RPKI →
140.247.174.0/24IPv4WHOIS · Paths & RPKI →
2607:fb60:2404::/46IPv6WHOIS · Paths & RPKI →
2620:32:8000::/48IPv6WHOIS · Paths & RPKI →
2602:fca9::/36IPv6WHOIS · Paths & RPKI →
2607:fb60::/32IPv6WHOIS · Paths & RPKI →

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