AS17638

Name: AS17638 — ASN for TIANJIN Provincial Net of CT
Creator: ipdex

ASN for TIANJIN Provincial Net of CT Unknown registered in China

519IPv4 prefixes

19IPv6 prefixes

99%RPKI-valid

#8,283AS Rank

#36Rank in China

2002-11-18Allocated

ASN for TIANJIN Provincial Net of CT (AS17638) — Unknown, registered in China. announces 519 IPv4 prefixes + 19 IPv6 prefixes. Rank in China: #36. Allocated: 2002-11-18.

IPv4 519IPv6 19

Announced prefixes · 538

v4 36.106.137.0/24 valid
v4 36.106.138.0/24 valid
v4 36.106.139.0/24 valid
v4 36.106.14.0/24 valid
v4 36.106.140.0/23 valid
v4 36.106.142.0/24 valid
v4 36.106.143.0/24 valid
v4 36.106.144.0/22 valid
v4 36.106.148.0/23 valid
v4 36.106.15.0/24 valid
v4 36.106.150.0/24 valid
v4 36.106.151.0/24 valid
v4 36.106.152.0/22 valid
v4 36.106.156.0/23 valid
v4 36.106.158.0/23 valid
v4 36.106.160.0/23 valid
v4 36.106.162.0/23 valid
v4 36.106.164.0/23 valid
v4 36.106.166.0/23 valid
v4 36.106.168.0/22 valid
v4 36.106.17.0/24 valid
v4 36.106.176.0/23 valid
v4 36.106.178.0/23 valid
v4 36.106.180.0/22 valid
v4 36.106.19.0/24 valid
v4 36.106.196.0/23 valid
v4 36.106.198.0/23 valid
v4 36.106.20.0/24 valid
v4 36.106.22.0/23 valid
v4 36.106.220.0/22 valid
v4 36.106.224.0/22 valid
v4 36.106.228.0/22 valid
v4 36.106.232.0/22 valid
v4 36.106.236.0/22 valid
v4 36.106.24.0/24 valid
v4 36.106.240.0/22 valid
v4 36.106.244.0/23 valid
v4 36.106.246.0/23 valid
v4 36.106.248.0/22 valid
v4 36.106.25.0/24 valid
v4 36.106.252.0/22 valid
v4 36.106.26.0/24 valid
v4 36.106.27.0/24 valid
v4 36.106.28.0/22 valid
v4 36.106.34.0/24 valid
v4 36.106.39.0/24 valid
v4 36.106.4.0/24 valid
v4 36.106.40.0/23 valid
v4 36.106.42.0/24 valid
v4 36.106.43.0/24 valid

RPKI: rpki.cloudflare.com · 2026-06-22

— Routing status unavailable

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	537
2026-06-13	537
2026-06-19	538
2026-06-20	538

AS topology · Customer cone 2

Providers · 1

AS4134 CHINANET BACKBONE

Customers · 1

AS132536 China Telecom

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