Home Prefix Lookup123.151.0.0/16

123.151.0.0/16

🇨🇳

IPv4APNICannouncedAS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CTNo ROA

CIDR

123.151.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇨🇳 China

City

Dawangzhuang (Hedong Qu)

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
123.151.0.0/16	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	RADB	5/31/2026

Covering Prefix

53 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
123.150.0.0/15	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	5/31/2026
123.151.0.0/17	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	5/31/2026
123.151.192.0/18	AS4809CHINATELECOM-CORE-WAN-CN2 - China Telecom Next Generation Carrier Network	Valid	—	5/31/2026
123.151.224.0/19	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	Valid	—	5/31/2026
123.151.192.0/19	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	Valid	—	5/31/2026
123.151.48.0/20	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.96.0/20	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.0.0/21	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	5/31/2026
123.151.128.0/21	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	5/31/2026
123.151.64.0/21	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.92.0/22	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.176.0/22	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.12.0/22	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.152.0/22	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.148.0/22	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.72.0/22	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.76.0/22	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.130.0/23	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	5/31/2026
123.151.126.0/23	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	5/31/2026
123.151.156.0/23	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.26.0/23	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.10.0/23	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.162.0/24	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	5/31/2026
123.151.17.0/24	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	5/31/2026
123.151.21.0/24	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	5/31/2026
123.151.24.0/24	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	5/31/2026
123.151.89.0/24	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	5/31/2026
123.151.112.0/24	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	5/31/2026
123.151.113.0/24	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	5/31/2026
123.151.146.0/24	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	5/31/2026
123.151.147.0/24	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	5/31/2026
123.151.163.0/24	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	5/31/2026
123.151.173.0/24	AS17638CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT	No ROA	—	5/31/2026
123.151.139.0/24	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.190.0/24	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.137.0/24	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.138.0/24	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.144.0/24	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.47.0/24	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.46.0/24	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.42.0/24	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.158.0/24	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.40.0/24	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.9.0/24	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.8.0/24	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.39.0/24	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.180.0/24	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.181.0/24	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.182.0/24	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.183.0/24	AS58542CHINATELECOM-TIANJIN - Tianjij,300000	No ROA	—	5/31/2026
123.151.20.0/24	AS132536CHINANET-TIANJIN-MAN-NEW - China Telecom	No ROA	—	5/31/2026
123.151.165.0/24	AS132536CHINANET-TIANJIN-MAN-NEW - China Telecom	No ROA	—	5/31/2026
123.151.124.0/24	AS132536CHINANET-TIANJIN-MAN-NEW - China Telecom	No ROA	—	5/31/2026

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS17638	RADB	MAINT-CT-GNOC	11/13/2023

More Specific Prefixes

100

Prefix	AS	Country	Status
123.151.64.0/20		🇨🇳CN	assigned
123.151.96.0/20	AS58542	🇨🇳CN	assigned
123.151.48.0/20	AS58542	🇨🇳CN	assigned
123.151.0.0/20		🇨🇳CN	assigned
123.151.80.0/21		🇨🇳CN	assigned
123.151.128.0/21	AS17638	🇨🇳CN	assigned
123.151.92.0/22	AS58542	🇨🇳CN	assigned
123.151.152.0/22	AS58542	🇨🇳CN	assigned
123.151.160.0/22		🇨🇳CN	assigned
123.151.148.0/22	AS58542	🇨🇳CN	assigned
123.151.44.0/22		🇨🇳CN	assigned
123.151.24.0/22		🇨🇳CN	assigned
123.151.168.0/22		🇨🇳CN	assigned
123.151.158.0/23		🇨🇳CN	assigned
123.151.136.0/23		🇨🇳CN	assigned
123.151.88.0/23		🇨🇳CN	assigned
123.151.90.0/24	AS132536	🇨🇳CN	assigned
123.151.156.0/24		🇨🇳CN	assigned
123.151.195.0/24		🇨🇳CN	assigned
123.151.19.0/24		🇨🇳CN	assigned
123.151.21.0/24	AS17638	🇨🇳CN	assigned
123.151.23.0/24		🇨🇳CN	assigned
123.151.91.0/24		🇨🇳CN	assigned
123.151.146.0/24	AS17638	🇨🇳CN	assigned
123.151.145.0/24		🇨🇳CN	assigned
123.151.147.0/24	AS17638	🇨🇳CN	assigned
123.151.22.0/24		🇨🇳CN	assigned
123.151.157.0/24		🇨🇳CN	assigned
123.151.20.0/24	AS132536	🇨🇳CN	assigned
123.151.144.0/24	AS58542	🇨🇳CN	assigned
123.151.16.0/25		🇨🇳CN	assigned
123.151.18.0/25		🇨🇳CN	assigned
123.151.164.0/25		🇨🇳CN	assigned
123.151.18.128/25		🇨🇳CN	assigned
123.151.17.128/25		🇨🇳CN	assigned
123.151.16.128/25		🇨🇳CN	assigned
123.151.33.0/25		🇨🇳CN	assigned
123.151.32.128/25		🇨🇳CN	assigned
123.151.32.0/25		🇨🇳CN	assigned
123.151.17.0/25		🇨🇳CN	assigned
123.151.196.0/26		🇨🇳CN	assigned
123.151.196.128/26		🇨🇳CN	assigned
123.151.33.192/26		🇨🇳CN	assigned
123.151.197.0/26		🇨🇳CN	assigned
123.151.197.96/27		🇨🇳CN	assigned
123.151.194.32/27		🇨🇳CN	assigned
123.151.196.112/28		🇨🇳CN	assigned
123.151.197.208/28		🇨🇳CN	assigned
123.151.192.144/28		🇨🇳CN	assigned
123.151.196.224/28		🇨🇳CN	assigned
123.151.194.96/28		🇨🇳CN	assigned
123.151.193.240/28		🇨🇳CN	assigned
123.151.196.208/28		🇨🇳CN	assigned
123.151.192.80/28		🇨🇳CN	assigned
123.151.194.80/28		🇨🇳CN	assigned
123.151.193.144/28		🇨🇳CN	assigned
123.151.193.0/28		🇨🇳CN	assigned
123.151.193.16/28		🇨🇳CN	assigned
123.151.193.96/28		🇨🇳CN	assigned
123.151.197.176/28		🇨🇳CN	assigned
123.151.193.224/28		🇨🇳CN	assigned
123.151.194.144/28		🇨🇳CN	assigned
123.151.192.0/28		🇨🇳CN	assigned
123.151.194.64/28		🇨🇳CN	assigned
123.151.192.224/28		🇨🇳CN	assigned
123.151.192.96/28		🇨🇳CN	assigned
123.151.194.112/28		🇨🇳CN	assigned
123.151.193.208/28		🇨🇳CN	assigned
123.151.197.240/29		🇨🇳CN	assigned
123.151.194.232/29		🇨🇳CN	assigned
123.151.194.136/29		🇨🇳CN	assigned
123.151.193.112/29		🇨🇳CN	assigned
123.151.194.200/29		🇨🇳CN	assigned
123.151.194.240/29		🇨🇳CN	assigned
123.151.192.64/29		🇨🇳CN	assigned
123.151.192.160/29		🇨🇳CN	assigned
123.151.192.184/29		🇨🇳CN	assigned
123.151.193.80/29		🇨🇳CN	assigned
123.151.193.200/29		🇨🇳CN	assigned
123.151.194.216/29		🇨🇳CN	assigned
123.151.196.64/29		🇨🇳CN	assigned
123.151.197.136/29		🇨🇳CN	assigned
123.151.197.248/29		🇨🇳CN	assigned
123.151.192.128/29		🇨🇳CN	assigned
123.151.192.240/29		🇨🇳CN	assigned
123.151.192.72/29		🇨🇳CN	assigned
123.151.192.32/29		🇨🇳CN	assigned
123.151.192.40/29		🇨🇳CN	assigned
123.151.192.136/29		🇨🇳CN	assigned
123.151.193.40/29		🇨🇳CN	assigned
123.151.193.88/29		🇨🇳CN	assigned
123.151.193.168/29		🇨🇳CN	assigned
123.151.193.184/29		🇨🇳CN	assigned
123.151.194.8/29		🇨🇳CN	assigned
123.151.194.24/29		🇨🇳CN	assigned
123.151.194.128/29		🇨🇳CN	assigned
123.151.194.248/29		🇨🇳CN	assigned
123.151.196.80/29		🇨🇳CN	assigned
123.151.196.96/29		🇨🇳CN	assigned
123.151.197.200/29		🇨🇳CN	assigned

Origin ASN

AS17638

CHINATELECOM-TJ-AS-AP - ASN for TIANJIN Provincial Net of CT

Geolocation

Country🇨🇳ChinaCN

RegionTianjin

CityDawangzhuang (Hedong Qu)

Coordinates39.1296, 117.2180 ↗

API

Open

GEThttps://api.ipctl.io/v1/prefix/123.151.0.0/16

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/123.151.0.0/16" | jq

External Links

RIPEstat Hurricane Electric BGP