Home Prefix Lookup220.248.64.0/18

220.248.64.0/18 - China Unicom Shanghai Network (AS17621)

IPv4APNICannouncedAS17621CNCGROUP-SH - China Unicom Shanghai network RPKI Valid

CIDR

220.248.64.0/18

IP Version

IPv4

Addresses

16.3K

Mask

/18 (255.255.192.0)

Country

🇨🇳 China

City

Shanghai

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
220.248.64.0/18	AS17621 CNCGROUP-SH - China Unicom Shanghai network	Valid	APNICOther IRR	2026-10-11

More-Specific Announcements

1 more-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
220.248.117.0/24	AS17621 CNCGROUP-SH - China Unicom Shanghai network	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
220.248.64.0/18	AS17621	/18	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS17621	APNIC	MAINT-CNCGROUP-RR	2023-06-08
AS17621	Other IRR	MAINT-AS58453	2023-11-13

More Specific Prefixes

100

Prefix	Country	Status
220.248.72.0/29	🇨🇳CN	assigned
220.248.72.16/29	🇨🇳CN	assigned
220.248.72.48/28	🇨🇳CN	assigned
220.248.72.64/27	🇨🇳CN	assigned
220.248.72.96/29	🇨🇳CN	assigned
220.248.73.16/29	🇨🇳CN	assigned
220.248.73.32/28	🇨🇳CN	assigned
220.248.73.128/25	🇨🇳CN	assigned
220.248.75.0/29	🇨🇳CN	assigned
220.248.75.32/28	🇨🇳CN	assigned
220.248.75.48/28	🇨🇳CN	assigned
220.248.75.96/28	🇨🇳CN	assigned
220.248.76.16/28	🇨🇳CN	assigned
220.248.76.32/29	🇨🇳CN	assigned
220.248.76.40/29	🇨🇳CN	assigned
220.248.76.96/28	🇨🇳CN	assigned
220.248.77.32/28	🇨🇳CN	assigned
220.248.77.48/28	🇨🇳CN	assigned
220.248.78.32/28	🇨🇳CN	assigned
220.248.78.80/28	🇨🇳CN	assigned
220.248.78.96/27	🇨🇳CN	assigned
220.248.79.0/29	🇨🇳CN	assigned
220.248.79.8/29	🇨🇳CN	assigned
220.248.79.32/27	🇨🇳CN	assigned
220.248.79.64/27	🇨🇳CN	assigned
220.248.79.96/28	🇨🇳CN	assigned
220.248.79.112/28	🇨🇳CN	assigned
220.248.80.16/28	🇨🇳CN	assigned
220.248.81.80/29	🇨🇳CN	assigned
220.248.82.16/29	🇨🇳CN	assigned
220.248.82.64/27	🇨🇳CN	assigned
220.248.83.0/29	🇨🇳CN	assigned
220.248.83.16/29	🇨🇳CN	assigned
220.248.83.64/29	🇨🇳CN	assigned
220.248.84.32/28	🇨🇳CN	assigned
220.248.84.64/28	🇨🇳CN	assigned
220.248.84.112/29	🇨🇳CN	assigned
220.248.84.120/29	🇨🇳CN	assigned
220.248.85.48/29	🇨🇳CN	assigned
220.248.86.72/29	🇨🇳CN	assigned
220.248.86.96/28	🇨🇳CN	assigned
220.248.87.48/29	🇨🇳CN	assigned
220.248.87.72/29	🇨🇳CN	assigned
220.248.87.80/28	🇨🇳CN	assigned
220.248.89.24/29	🇨🇳CN	assigned
220.248.90.32/28	🇨🇳CN	assigned
220.248.90.48/28	🇨🇳CN	assigned
220.248.90.72/29	🇨🇳CN	assigned
220.248.92.0/29	🇨🇳CN	assigned
220.248.92.8/29	🇨🇳CN	assigned
220.248.93.24/29	🇨🇳CN	assigned
220.248.93.64/29	🇨🇳CN	assigned
220.248.94.56/29	🇨🇳CN	assigned
220.248.94.64/29	🇨🇳CN	assigned
220.248.96.48/29	🇨🇳CN	assigned
220.248.97.8/29	🇨🇳CN	assigned
220.248.97.16/29	🇨🇳CN	assigned
220.248.97.112/29	🇨🇳CN	assigned
220.248.99.64/29	🇨🇳CN	assigned
220.248.101.32/28	🇨🇳CN	assigned
220.248.102.0/26	🇨🇳CN	assigned
220.248.102.128/25	🇨🇳CN	assigned
220.248.103.0/28	🇨🇳CN	assigned
220.248.103.32/28	🇨🇳CN	assigned
220.248.103.96/28	🇨🇳CN	assigned
220.248.103.128/28	🇨🇳CN	assigned
220.248.103.144/29	🇨🇳CN	assigned
220.248.105.32/28	🇨🇳CN	assigned
220.248.105.64/27	🇨🇳CN	assigned
220.248.105.96/27	🇨🇳CN	assigned
220.248.108.0/25	🇨🇳CN	assigned
220.248.108.128/25	🇨🇳CN	assigned
220.248.109.32/28	🇨🇳CN	assigned
220.248.109.48/28	🇨🇳CN	assigned
220.248.110.160/28	🇨🇳CN	assigned
220.248.110.240/29	🇨🇳CN	assigned
220.248.111.0/25	🇨🇳CN	assigned
220.248.111.160/28	🇨🇳CN	assigned
220.248.113.64/27	🇨🇳CN	assigned
220.248.113.96/27	🇨🇳CN	assigned
220.248.116.24/29	🇨🇳CN	assigned
220.248.116.48/28	🇨🇳CN	assigned
220.248.116.208/28	🇨🇳CN	assigned
220.248.116.224/28	🇨🇳CN	assigned
220.248.117.200/29	🇨🇳CN	assigned
220.248.117.208/28	🇨🇳CN	assigned
220.248.118.8/29	🇨🇳CN	assigned
220.248.118.56/29	🇨🇳CN	assigned
220.248.118.64/28	🇨🇳CN	assigned
220.248.119.8/29	🇨🇳CN	assigned
220.248.119.32/28	🇨🇳CN	assigned
220.248.119.64/26	🇨🇳CN	assigned
220.248.120.0/25	🇨🇳CN	assigned
220.248.120.128/25	🇨🇳CN	assigned
220.248.121.32/27	🇨🇳CN	assigned
220.248.121.64/26	🇨🇳CN	assigned
220.248.121.160/29	🇨🇳CN	assigned
220.248.122.184/29	🇨🇳CN	assigned
220.248.122.224/27	🇨🇳CN	assigned
220.248.126.128/25	🇨🇳CN	assigned

Origin ASN

AS17621

CNCGROUP-SH - China Unicom Shanghai network

Related Prefixes

More prefixes of AS17621

All prefixes of AS17621 →

Geolocation

Country🇨🇳ChinaCN

RegionShanghai

CityShanghai

Coordinates31.2304, 121.4740 ↗

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/220.248.64.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/220.248.64.0/18" | jq

External Links

RIPEstat