Home Prefix Lookup220.174.128.0/17

220.174.128.0/17 - China Telecom (AS151058)

IPv4APNICannouncedAS151058CT-HAINAN - China Telecom RPKI Valid

CIDR

220.174.128.0/17

IP Version

IPv4

Addresses

32.7K

Mask

/17 (255.255.128.0)

Country

🇨🇳 China

City

Haikou

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
220.174.128.0/17	AS151058 CT-HAINAN - China Telecom	Valid	Other IRR	2026-10-12

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
220.174.0.0/16	AS4134 CHINANET-BACKBONE - No.31,Jin-rong Street	No ROA	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
220.174.128.0/17	AS151058	/17	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS151058	Other IRR	MAINT-AS151058	2026-04-10

More Specific Prefixes

Prefix	Country	Status
220.174.128.0/24	🇨🇳CN	assigned
220.174.129.0/24	🇨🇳CN	assigned
220.174.130.0/24	🇨🇳CN	assigned
220.174.131.0/24	🇨🇳CN	assigned
220.174.132.0/24	🇨🇳CN	assigned
220.174.133.0/24	🇨🇳CN	assigned
220.174.134.0/24	🇨🇳CN	assigned
220.174.136.0/22	🇨🇳CN	assigned
220.174.140.0/22	🇨🇳CN	assigned
220.174.144.0/22	🇨🇳CN	assigned
220.174.148.0/24	🇨🇳CN	assigned
220.174.149.0/24	🇨🇳CN	assigned
220.174.150.0/24	🇨🇳CN	assigned
220.174.151.0/24	🇨🇳CN	assigned
220.174.152.0/22	🇨🇳CN	assigned
220.174.156.0/22	🇨🇳CN	assigned
220.174.160.0/24	🇨🇳CN	assigned
220.174.161.0/26	🇨🇳CN	assigned
220.174.161.64/28	🇨🇳CN	assigned
220.174.162.0/23	🇨🇳CN	assigned
220.174.164.0/22	🇨🇳CN	assigned
220.174.168.0/21	🇨🇳CN	assigned
220.174.168.0/22	🇨🇳CN	assigned
220.174.176.0/22	🇨🇳CN	assigned
220.174.180.0/22	🇨🇳CN	assigned
220.174.184.0/22	🇨🇳CN	assigned
220.174.188.0/22	🇨🇳CN	assigned
220.174.190.8/29	🇨🇳CN	assigned
220.174.190.16/28	🇨🇳CN	assigned
220.174.190.32/29	🇨🇳CN	assigned
220.174.190.104/29	🇨🇳CN	assigned
220.174.190.112/29	🇨🇳CN	assigned
220.174.192.0/22	🇨🇳CN	assigned
220.174.196.0/22	🇨🇳CN	assigned
220.174.200.0/22	🇨🇳CN	assigned
220.174.204.0/22	🇨🇳CN	assigned
220.174.208.0/24	🇨🇳CN	assigned
220.174.209.0/24	🇨🇳CN	assigned
220.174.210.0/24	🇨🇳CN	assigned
220.174.211.0/24	🇨🇳CN	assigned
220.174.212.0/23	🇨🇳CN	assigned
220.174.214.0/24	🇨🇳CN	assigned
220.174.215.0/24	🇨🇳CN	assigned
220.174.216.0/22	🇨🇳CN	assigned
220.174.220.0/24	🇨🇳CN	assigned
220.174.221.0/26	🇨🇳CN	assigned
220.174.221.128/26	🇨🇳CN	assigned
220.174.221.192/26	🇨🇳CN	assigned
220.174.222.0/24	🇨🇳CN	assigned
220.174.223.0/26	🇨🇳CN	assigned
220.174.223.128/26	🇨🇳CN	assigned
220.174.223.192/26	🇨🇳CN	assigned
220.174.224.0/22	🇨🇳CN	assigned
220.174.228.0/22	🇨🇳CN	assigned
220.174.232.0/23	🇨🇳CN	assigned
220.174.234.0/24	🇨🇳CN	assigned
220.174.235.0/24	🇨🇳CN	assigned
220.174.236.0/24	🇨🇳CN	assigned
220.174.237.0/24	🇨🇳CN	assigned
220.174.238.0/24	🇨🇳CN	assigned
220.174.239.0/24	🇨🇳CN	assigned
220.174.240.0/24	🇨🇳CN	assigned
220.174.241.0/24	🇨🇳CN	assigned
220.174.242.0/24	🇨🇳CN	assigned
220.174.243.0/26	🇨🇳CN	assigned
220.174.243.64/26	🇨🇳CN	assigned
220.174.244.0/24	🇨🇳CN	assigned
220.174.246.0/25	🇨🇳CN	assigned
220.174.246.128/25	🇨🇳CN	assigned
220.174.247.0/26	🇨🇳CN	assigned
220.174.248.0/24	🇨🇳CN	assigned
220.174.249.0/25	🇨🇳CN	assigned
220.174.250.0/25	🇨🇳CN	assigned
220.174.250.128/25	🇨🇳CN	assigned
220.174.251.0/26	🇨🇳CN	assigned
220.174.252.0/23	🇨🇳CN	assigned
220.174.255.0/26	🇨🇳CN	assigned
220.174.255.64/26	🇨🇳CN	assigned
220.174.255.128/26	🇨🇳CN	assigned

Origin ASN

AS151058

CT-HAINAN - China Telecom

Related Prefixes

Covering prefix

220.174.0.0/16AS4134

More prefixes of AS151058

All prefixes of AS151058 →

Geolocation

Country🇨🇳ChinaCN

RegionHainan

CityHaikou

Coordinates19.9952, 110.2420 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the APNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/220.174.128.0/17

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

curl -s "https://api.ipctl.io/v1/prefix/220.174.128.0/17" | jq

External Links

RIPEstat