206208 looking glass

AS4538 China Education and Research Network Center 🇨🇳 CN

Announcing 5,168 prefixes, seen at the RIS collectors.

IPv4 prefixes
5,158
42,961,920 (167,820 × /24)
IPv6 prefixes
10
265 × /48
Upstreams
14
transit providers observed
Peers
8
settlement-free adjacencies
Downstreams
14
transit customers observed
Customer cone
88
ASes reachable through it

Registry and operator data

AS number
AS4538
Name
China Education and Research Network Center
Organisation
CERNET-CN
Country
🇨🇳 CN
RIR
APNIC
Allocated
2002-08-01
Network type
Educational/Research
Scope
Not Disclosed
Peering policy
Open
Website
http://www.edu.cn
PeeringDB
net/13851

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

1,459 valid (28.2%) 1 invalid (0.0%) 3,708 no ROA (71.7%)

Announced prefixes

5,168 in total

Prefix RPKI Peers Sample path First seen
1.51.0.0/16 v4 no ROA 47 244824538 2026-09-18
1.51.3.0/24 v4 RPKI valid 4 557202376441344538 2026-09-18
1.51.16.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
1.51.32.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
1.51.48.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
1.51.112.0/24 v4 RPKI valid 1 443933571010099992948374538 2026-09-18
1.51.120.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
1.51.144.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
1.51.144.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
1.51.152.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
1.51.160.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
1.51.168.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
1.51.176.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
1.51.192.0/18 v4 no ROA 13 244824538 2026-09-18
1.184.0.0/15 v4 no ROA 48 244824538 2026-09-18
1.184.192.0/18 v4 no ROA 1 443933571010099992948374538 2026-09-18
1.185.0.0/18 v4 no ROA 1 443933571010099992948374538 2026-09-18
1.185.64.0/19 v4 no ROA 1 443933571010099992948374538 2026-09-18
1.185.192.0/18 v4 no ROA 1 443933571010099992948374538 2026-09-18
42.244.0.0/16 v4 no ROA 47 244824538 2026-09-18
42.244.0.0/18 v4 no ROA 13 244824538 2026-09-18
42.244.64.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
42.245.0.0/16 v4 no ROA 16 244824538 2026-09-18
42.246.0.0/15 v4 no ROA 48 244824538 2026-09-18
42.247.0.0/19 v4 no ROA 1 443933571010099992948374538 2026-09-18
42.247.1.0/24 v4 RPKI valid 1 333311032096574974538 2026-09-18
42.247.2.0/24 v4 RPKI valid 1 333311032096574974538 2026-09-18
42.247.3.0/24 v4 RPKI valid 1 333311032096574974538 2026-09-18
42.247.5.0/24 v4 RPKI valid 1 333311032096574974538 2026-09-18
42.247.8.0/24 v4 RPKI valid 4 557202376441344538 2026-09-18
42.247.9.0/24 v4 RPKI valid 47 244824538 2026-09-18
42.247.12.0/24 v4 RPKI valid 1 333311032096574974538 2026-09-18
42.247.13.0/24 v4 RPKI valid 47 244824538 2026-09-18
42.247.18.0/24 v4 RPKI valid 4 557202376441344538 2026-09-18
42.247.19.0/24 v4 RPKI valid 1 333311032096574974538 2026-09-18
42.247.20.0/24 v4 RPKI valid 47 244824538 2026-09-18
42.247.22.0/24 v4 RPKI valid 1 443933571010099992948374538 2026-09-18
42.247.29.0/24 v4 RPKI valid 1 333311032096574974538 2026-09-18
42.247.30.0/24 v4 RPKI valid 5 557202376441344538 2026-09-18
42.247.33.0/24 v4 RPKI valid 1 33331103209654538 2026-09-18
42.247.44.0/24 v4 RPKI valid 1 443933571010099992948374538 2026-09-18
42.247.53.0/24 v4 RPKI valid 47 244824538 2026-09-18
42.247.58.0/24 v4 RPKI valid 47 244824538 2026-09-18
42.247.94.0/24 v4 RPKI valid 1 33331103209654538 2026-09-18
42.247.103.0/24 v4 RPKI valid 2 33331103209654538 2026-09-18
42.247.107.0/24 v4 RPKI valid 43 237644538 2026-09-18
42.247.113.0/24 v4 no ROA 48 237644538 2026-09-18
49.52.0.0/14 v4 no ROA 48 244824538 2026-09-18
49.52.0.0/15 v4 no ROA 16 244824538 2026-09-18
49.52.0.0/19 v4 no ROA 1 443933571010099992948374538 2026-09-18
49.52.32.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
49.52.48.0/24 v4 RPKI valid 42 244821405704538 2026-09-18
49.52.64.0/19 v4 no ROA 1 443933571010099992948374538 2026-09-18
49.52.96.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
49.120.0.0/14 v4 no ROA 48 244824538 2026-09-18
49.120.64.0/19 v4 no ROA 43 237644538 2026-09-18
49.122.0.0/20 v4 no ROA 4 557202376441344538 2026-09-18
49.122.16.0/21 v4 no ROA 4 557202376441344538 2026-09-18
49.122.24.0/21 v4 no ROA 4 557202376441344538 2026-09-18
49.122.32.0/20 v4 no ROA 4 557202376441344538 2026-09-18
49.122.64.0/22 v4 no ROA 4 557202376441344538 2026-09-18
49.122.128.0/18 v4 no ROA 5 557202376441344538 2026-09-18
49.122.191.0/24 v4 RPKI valid 4 557202376441344538 2026-09-18
49.123.0.0/20 v4 no ROA 4 557202376441344538 2026-09-18
49.123.16.0/21 v4 no ROA 4 557202376441344538 2026-09-18
49.123.64.0/18 v4 no ROA 4 557202376441344538 2026-09-18
49.140.0.0/15 v4 no ROA 48 244824538 2026-09-18
49.140.0.0/16 v4 no ROA 14 244824538 2026-09-18
49.141.0.0/20 v4 no ROA 4 557202376441344538 2026-09-18
49.141.16.0/21 v4 no ROA 4 557202376441344538 2026-09-18
49.141.24.0/21 v4 no ROA 4 557202376441344538 2026-09-18
49.141.32.0/20 v4 no ROA 4 557202376441344538 2026-09-18
49.141.64.0/18 v4 no ROA 4 557202376441344538 2026-09-18
49.141.128.0/20 v4 no ROA 4 557202376441344538 2026-09-18
49.141.144.0/21 v4 no ROA 4 557202376441344538 2026-09-18
49.141.192.0/20 v4 no ROA 4 557202376441344538 2026-09-18
49.141.210.0/24 v4 RPKI valid 4 557202376441344538 2026-09-18
49.208.0.0/15 v4 no ROA 48 244824538 2026-09-18
49.208.0.0/17 v4 no ROA 4 557202376441344538 2026-09-18
49.209.0.0/20 v4 no ROA 4 557202376441344538 2026-09-18
49.209.16.0/20 v4 no ROA 4 557202376441344538 2026-09-18
49.209.32.0/19 v4 no ROA 4 557202376441344538 2026-09-18
49.209.64.0/18 v4 no ROA 4 557202376441344538 2026-09-18
49.209.232.0/21 v4 no ROA 4 557202376441344538 2026-09-18
49.209.240.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.154.0.0/15 v4 no ROA 48 244824538 2026-09-18
58.154.0.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.154.16.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.154.32.0/23 v4 no ROA 4 557202376441344538 2026-09-18
58.154.34.0/24 v4 RPKI valid 4 557202376441344538 2026-09-18
58.154.37.0/24 v4 RPKI valid 4 557202376441344538 2026-09-18
58.154.48.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.154.96.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.154.128.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.154.144.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.154.160.0/19 v4 no ROA 4 557202376441344538 2026-09-18
58.154.192.0/19 v4 no ROA 4 557202376441344538 2026-09-18
58.154.224.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.154.240.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.155.0.0/16 v4 no ROA 16 244824538 2026-09-18
58.155.0.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.155.16.0/21 v4 no ROA 4 557202376441344538 2026-09-18
58.155.24.0/21 v4 no ROA 4 557202376441344538 2026-09-18
58.155.32.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.155.48.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.155.50.0/24 v4 RPKI valid 4 557202376441344538 2026-09-18
58.155.51.0/24 v4 RPKI valid 4 557202376441344538 2026-09-18
58.155.53.0/24 v4 RPKI valid 4 557202376441344538 2026-09-18
58.155.62.0/24 v4 RPKI valid 4 557202376441344538 2026-09-18
58.155.63.0/24 v4 RPKI valid 4 557202376441344538 2026-09-18
58.155.71.0/24 v4 RPKI valid 4 557202376441344538 2026-09-18
58.155.96.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.155.124.0/22 v4 no ROA 4 557202376441344538 2026-09-18
58.155.128.0/23 v4 no ROA 4 557202376441344538 2026-09-18
58.155.130.0/23 v4 no ROA 4 557202376441344538 2026-09-18
58.155.132.0/23 v4 no ROA 4 557202376441344538 2026-09-18
58.155.134.0/23 v4 no ROA 4 557202376441344538 2026-09-18
58.155.136.0/23 v4 no ROA 4 557202376441344538 2026-09-18
58.155.144.0/22 v4 no ROA 4 557202376441344538 2026-09-18
58.155.156.0/22 v4 no ROA 4 557202376441344538 2026-09-18
58.155.160.0/21 v4 no ROA 4 557202376441344538 2026-09-18
58.155.168.0/22 v4 no ROA 4 557202376441344538 2026-09-18
58.155.172.0/22 v4 no ROA 4 557202376441344538 2026-09-18
58.155.176.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.155.192.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.155.208.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.155.224.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.155.240.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.192.0.0/12 v4 no ROA 48 244824538 2026-09-18
58.192.0.0/15 v4 no ROA 48 244824538 2026-09-18
58.192.0.0/19 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.32.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.48.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.55.0/24 v4 RPKI valid 1 443933571010099992948374538 2026-09-18
58.192.56.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.64.0/22 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.68.0/24 v4 RPKI valid 1 443933571010099992948374538 2026-09-18
58.192.69.0/24 v4 RPKI valid 1 443933571010099992948374538 2026-09-18
58.192.72.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.80.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.87.0/24 v4 RPKI valid 1 443933571010099992948374538 2026-09-18
58.192.96.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.112.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.114.0/24 v4 RPKI valid 1 443933571010099992948374538 2026-09-18
58.192.128.0/18 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.141.0/24 v4 RPKI valid 1 443933571010099992948374538 2026-09-18
58.192.144.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.152.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.176.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.192.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.192.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.208.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.216.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.224.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.232.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.240.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.192.248.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.0.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.16.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.32.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.40.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.48.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.64.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.72.0/22 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.80.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.88.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.96.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.112.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.120.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.128.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.152.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.160.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.176.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.176.0/24 v4 RPKI valid 1 443933571010099992948374538 2026-09-18
58.193.192.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.208.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.193.224.0/19 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.194.8.0/23 v4 no ROA 43 237644538 2026-09-18
58.194.10.0/23 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.194.16.0/23 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.194.24.0/21 v4 no ROA 43 237644538 2026-09-18
58.194.32.0/19 v4 no ROA 4 557202376441344538 2026-09-18
58.194.64.0/19 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.194.120.0/21 v4 no ROA 4 557202376441344538 2026-09-18
58.194.160.0/19 v4 no ROA 13 244824538 2026-09-18
58.194.192.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.194.208.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.194.232.0/21 v4 no ROA 4 557202376441344538 2026-09-18
58.194.240.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.195.16.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.195.32.0/19 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.195.96.0/23 v4 no ROA 5 557202376441344538 2026-09-18
58.195.136.0/21 v4 no ROA 4 557202376441344538 2026-09-18
58.195.144.0/20 v4 no ROA 4 557202376441344538 2026-09-18
58.196.0.0/15 v4 no ROA 48 244824538 2026-09-18
58.196.128.0/19 v4 no ROA 42 244824538 2026-09-18
58.196.128.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.196.144.0/20 v4 no ROA 1 443933571010099992948374538 2026-09-18
58.196.160.0/20 v4 no ROA 42 244824538 2026-09-18
58.196.160.0/21 v4 no ROA 1 443933571010099992948374538 2026-09-18
1234567…26Next