Home Prefix Lookup192.19.136.0/23

192.19.136.0/23 - Avago Technologies U.S (AS19637)

IPv4ARINannouncedAS19637AVG19637 - Avago Technologies U.S. Inc. RPKI Valid

CIDR

192.19.136.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇸🇬 Singapore

City

Singapore

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
192.19.136.0/23	AS19637 AVG19637 - Avago Technologies U.S. Inc.	Valid	ARIN	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
192.19.136.0/21	AS19637 AVG19637 - Avago Technologies U.S. Inc.	No ROA	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
192.19.136.0/23	AS19637	/23	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS19637	ARIN	MNT-ATU-3	2024-11-24

Origin ASN

AS19637

AVG19637 - Avago Technologies U.S. Inc.

Related Prefixes

Covering prefix

192.19.136.0/21AS19637

More prefixes of AS19637

All prefixes of AS19637 →

Geolocation

Country🇸🇬SingaporeSG

CitySingapore

Coordinates1.3521, 103.8200 ↗

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/192.19.136.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/192.19.136.0/23" | jq

External Links

RIPEstat