Home Prefix Lookup192.94.33.0/24

192.94.33.0/24 - AT&T Enterprises (AS2687)

IPv4ARINallocatedAS2687ATGS-MMD-AS - AT&T Enterprises, LLCNo ROA

CIDR

192.94.33.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇯🇵 Japan

City

Chiyoda City

RIR

ARIN

Status

allocated

Allocated

1991-02-12

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
192.94.33.0/24	AS2687 ATGS-MMD-AS - AT&T Enterprises, LLC	No ROA	ARINOther IRR	2026-10-12

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS2687	ARIN	MNT-SIS-377	2026-03-12
AS2687	Other IRR	MAINT-AS3491	2025-03-28

Transfer History

Registry transfers of 192.94.33.0/24, blocks inside it, or blocks containing it.

192.94.33.0/24M&A · 2022-11-16
Mentor Graphics Corporation
🇺🇸 US ARIN
→
Siemens Industry Software Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2022-11-16	192.94.33.0/24	Mentor Graphics Corporation 🇺🇸 US ARIN	Siemens Industry Software Inc. 🇺🇸 US ARIN	M&A

Origin ASN

AS2687

ATGS-MMD-AS - AT&T Enterprises, LLC

Related Prefixes

More prefixes of AS2687

All prefixes of AS2687 →

Geolocation

Country🇯🇵JapanJP

RegionTokyo

CityChiyoda City

Coordinates35.6940, 139.7540 ↗

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 ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/192.94.33.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/192.94.33.0/24" | jq

External Links

RIPEstat