Home Prefix Lookup192.133.240.0/22

192.133.240.0/22 - CISCO SYSTEMS (AS109)

IPv4ARINallocatedAS109CISCOSYSTEMS - CISCO SYSTEMS, INC. RPKI Valid

CIDR

192.133.240.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇺🇸 United States

City

Wilmington

RIR

ARIN

Status

allocated

Allocated

1993-02-10

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
192.133.240.0/22	AS109 CISCOSYSTEMS - CISCO SYSTEMS, INC.	Valid	ARINOther IRR	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
192.133.240.0/22	AS109	/24	arin
192.133.240.0/22	AS198949	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS109	ARIN	MNT-CS-2831	2023-10-25
AS198949	ARIN	MNT-CS-2831	2025-07-29
AS198949	Other IRR	MAINT-AS198949	2025-08-05
AS109	Other IRR	MAINT-AS109	2023-11-13

Transfer History

Registry transfers of 192.133.240.0/22, blocks inside it, or blocks containing it.

192.133.240.0/22M&A · 2023-09-12
Cisco Systems Inc.
🇺🇸 US ARIN
→
CISCO SYSTEMS, INC.
🇺🇸 US ARIN
192.133.240.0/22M&A · 2017-12-12
Scientific Atlanta
🇺🇸 US ARIN
→
Cisco Systems Inc.
🇺🇸 US ARIN

Date	Resource	From	To	Type
2023-09-12	192.133.240.0/22	Cisco Systems Inc. 🇺🇸 US ARIN	CISCO SYSTEMS, INC. 🇺🇸 US ARIN	M&A
2017-12-12	192.133.240.0/22	Scientific Atlanta 🇺🇸 US ARIN	Cisco Systems Inc. 🇺🇸 US ARIN	M&A

Origin ASN

AS109

CISCOSYSTEMS - CISCO SYSTEMS, INC.

Related Prefixes

More prefixes of AS109

All prefixes of AS109 →

Geolocation

Country🇺🇸United StatesUS

RegionDelaware

CityWilmington

Coordinates39.7598, -75.6226 ↗

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/192.133.240.0/22

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

curl -s "https://api.ipctl.io/v1/prefix/192.133.240.0/22" | jq

External Links

RIPEstat