Home Prefix Lookup161.120.0.0/16

161.120.0.0/16 - (AS133478)

IPv4APNICallocatedAS133478 RPKI Valid

CIDR

161.120.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

Country

🇺🇸 United States

City

Sterling

RIR

APNIC

Status

allocated

Allocated

1992-07-14

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below.

More-Specific Announcements

13 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
161.120.0.0/18	AS132203 TENCENT-NET-AP-CN Tencent Building, Kejizhongyi Avenue	Valid	-	2026-10-11
161.120.64.0/18	AS132203 TENCENT-NET-AP-CN Tencent Building, Kejizhongyi Avenue	Valid	-	2026-10-11
161.120.128.0/20	AS132203 TENCENT-NET-AP-CN Tencent Building, Kejizhongyi Avenue	Valid	-	2026-10-11
161.120.128.0/23	AS132203 TENCENT-NET-AP-CN Tencent Building, Kejizhongyi Avenue	Valid	-	2026-10-11
161.120.144.0/20	AS132203 TENCENT-NET-AP-CN Tencent Building, Kejizhongyi Avenue	Valid	-	2026-10-11
161.120.160.0/19	AS132203 TENCENT-NET-AP-CN Tencent Building, Kejizhongyi Avenue	Valid	-	2026-10-11
161.120.160.0/20	AS132203 TENCENT-NET-AP-CN Tencent Building, Kejizhongyi Avenue	Valid	-	2026-10-11
161.120.160.0/23	AS132203 TENCENT-NET-AP-CN Tencent Building, Kejizhongyi Avenue	Valid	-	2026-10-11
161.120.170.0/23	AS132203 TENCENT-NET-AP-CN Tencent Building, Kejizhongyi Avenue	Valid	-	2026-10-11
161.120.176.0/20	AS132203 TENCENT-NET-AP-CN Tencent Building, Kejizhongyi Avenue	Valid	-	2026-10-11
161.120.191.0/24	AS132203 TENCENT-NET-AP-CN Tencent Building, Kejizhongyi Avenue	Invalid	-	2026-10-11
161.120.192.0/19	AS132203 TENCENT-NET-AP-CN Tencent Building, Kejizhongyi Avenue	Valid	-	2026-10-11
161.120.224.0/19	AS132203 TENCENT-NET-AP-CN Tencent Building, Kejizhongyi Avenue	Valid	-	2026-10-11

More Specific Prefixes

Prefix	AS	Country	Status
161.120.0.0/17		🇺🇸US	assigned
161.120.128.0/19		🇲🇽MX	assigned
161.120.128.0/23	AS132203	🇲🇽MX	assigned
161.120.160.0/19	AS132203	🇲🇾MY	assigned
161.120.160.0/20	AS132203	🇲🇾MY	assigned
161.120.160.0/23	AS132203	🇲🇾MY	assigned
161.120.170.0/23	AS132203	🇲🇾MY	assigned
161.120.176.0/20	AS132203	🇲🇾MY	assigned
161.120.192.0/19	AS132203	🇩🇪DE	assigned
161.120.224.0/19	AS132203	🇸🇦SA	assigned

Transfer History

Registry transfers of 161.120.0.0/16, blocks inside it, or blocks containing it.

161.120.0.0/16inter-RIRTransfer · 2020-06-09
Saint Gobain Abrasives, Inc.
🇺🇸 US ARIN
→
Tencent Cloud Computing (Beijing) Co., Ltd
🇨🇳 CN APNIC

Date	Resource	From	To	Type
2020-06-09	161.120.0.0/16inter-RIR	Saint Gobain Abrasives, Inc. 🇺🇸 US ARIN	Tencent Cloud Computing (Beijing) Co., Ltd 🇨🇳 CN APNIC	Transfer

Origin ASN

AS133478

Related Prefixes

More prefixes of AS133478

All prefixes of AS133478 →

Geolocation

Country🇺🇸United StatesUS

RegionVirginia

CitySterling

Coordinates39.0067, -77.4291 ↗

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/161.120.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/161.120.0.0/16" | jq

External Links

RIPEstat