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 221.239.24.0/24 valid
v4 221.239.26.0/24 valid
v4 221.239.27.0/24 valid
v4 221.239.28.0/24 valid
v4 221.239.29.0/24 valid
v4 221.239.30.0/24 valid
v4 221.239.44.0/24 valid
v4 221.239.45.0/24 valid
v4 221.239.5.0/24 valid
v4 221.239.53.0/24 valid
v4 221.239.54.0/24 valid
v4 221.239.55.0/24 valid
v4 221.239.57.0/24 valid
v4 221.239.58.0/24 valid
v4 221.239.59.0/24 valid
v4 221.239.6.0/24 valid
v4 221.239.62.0/24 valid
v4 221.239.64.0/18 valid
v4 221.239.65.0/24 valid
v4 221.239.66.0/24 valid
v4 221.239.71.0/24 valid
v4 221.239.75.0/24 valid
v4 221.239.8.0/24 valid
v4 221.239.86.0/24 valid
v4 221.239.87.0/24 valid
v4 221.239.88.0/24 valid
v4 221.239.89.0/24 valid
v4 221.239.9.0/24 valid
v4 221.239.90.0/24 valid
v4 221.239.91.0/24 valid
v4 221.239.93.0/24 valid
v4 221.239.95.0/24 valid
v4 221.239.97.0/24 valid
v4 36.106.0.0/17 valid
v4 36.106.1.0/24 valid
v4 36.106.10.0/24 valid
v4 36.106.100.0/22 valid
v4 36.106.104.0/23 valid
v4 36.106.106.0/23 valid
v4 36.106.108.0/22 valid
v4 36.106.11.0/24 valid
v4 36.106.116.0/22 valid
v4 36.106.12.0/24 valid
v4 36.106.120.0/22 valid
v4 36.106.124.0/22 valid
v4 36.106.128.0/17 valid
v4 36.106.128.0/22 valid
v4 36.106.13.0/24 valid
v4 36.106.132.0/22 valid
v4 36.106.136.0/24 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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