AS137690 Zaozhuang,Shandong Province, P.R.China.

CHINATELECOM-SHANDONG-ZAOZHUANG-IDC - Zaozhuang,Shandong Province, P.R.China. · registered in China

IPv4 addresses8,1927 prefixes · <0.001% of announced IPv4

Rank in China#250largest network in CN by IPv4 space, of 601 · <0.01% of CN

Rank worldwide#10,408of 79,396 networks with IPv4

IPv66,400 x /4813 prefixes

CountryChina5,117 ASNs registered there

Open AS137690 in ASN lookup Look up an IP in this network (150.138.64.1) All networks in China

IPv4 prefixes

All 7 prefixes, in address order.

150.138.64.0/20
150.138.80.0/22
150.138.84.0/23
150.138.86.0/23
150.138.88.0/23
150.138.90.0/23
150.138.92.0/22

IPv6 prefixes

All 13 prefixes.

240e:e:c800::/37
240e:104:7c00::/40
240e:947:1000::/46
240e:947:1004::/46
240e:947:1008::/45
240e:947:1010::/44
240e:947:1020::/43
240e:947:1040::/42
240e:947:1080::/41
240e:947:1100::/40
240e:947:1200::/39
240e:947:1400::/38
240e:947:1800::/37

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources