Routegraphs

Route Grapher

Quick reference: largest ASes

ASN	Peer count
4242423914	352
4242421588	205
4242422189	150
4242421080	119
4242423035	117
4242422717	114
4242421816	107
4242423088	100
4242422923	85
4201272923	83

Origin ASNs for 172.20.139.176/28

Origin ASNs	ROA valid?	Globally visible?
4242421273	✅	✅

Known ROA entries for 172.20.139.176/28

ROA entry	ASN	Max allowed length
172.20.139.176/28	4242421273	29

Sample Queries

dn42 DNS (anycast): 172.20.0.53 172.23.0.53 fd42:d42:d42:54::1 fd42:d42:d42:53::1
whois.dn42 (anycast): 172.22.0.43 fd42:d42:d42:43::1
wiki.dn42: 172.23.0.80 fd42:d42:d42:80::1
map.dn42: 172.23.91.125 fd42:4242:2189:e9::1
dns.highdef.dn42: 172.22.108.53 fd86:bad:11b7:53::2

Notes

This tool uses MRT dumps from the dn42 Global Route Collector (GRC).

Blue: selected source ASN
Green: origin ASN, passing ROA
Red: origin ASN, failing ROA
Solid line: this adjacency is known to exist from GRC paths
Dashed line: guessed path; source ASN has no route to this prefix visible to the GRC