Home Prefix Lookup162.253.136.0/21

162.253.136.0/21 - Zayo Bandwidth (AS6461)

IPv4ARINallocatedAS6461ZAYO-6461 - Zayo Bandwidth RPKI Valid

CIDR

162.253.136.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇨🇦 Canada

City

Toronto

RIR

ARIN

Status

allocated

Allocated

2014-02-18

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
162.253.136.0/21	AS6461 ZAYO-6461 - Zayo Bandwidth	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
162.253.136.0/21	AS6461	/21	arin

Transfer History

Registry transfers of 162.253.136.0/21, blocks inside it, or blocks containing it.

162.253.136.0/21M&A · 2025-06-20
Allstream Corp.
🇨🇦 CA ARIN
→
Zayo Bandwidth
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-06-20	162.253.136.0/21	Allstream Corp. 🇨🇦 CA ARIN	Zayo Bandwidth 🇺🇸 US ARIN	M&A

Origin ASN

AS6461

ZAYO-6461 - Zayo Bandwidth

Related Prefixes

More prefixes of AS6461

All prefixes of AS6461 →

Geolocation

Country🇨🇦CanadaCA

RegionOntario

CityToronto

Coordinates43.6289, -79.3944 ↗

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/162.253.136.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/162.253.136.0/21" | jq

External Links

RIPEstat