Home Prefix Lookup199.241.128.0/21

199.241.128.0/21 - Altima Telecom (AS22423)

IPv4ARINallocatedAS22423ALTIMA-TELECOM - Altima Telecom RPKI Valid

CIDR

199.241.128.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇨🇦 Canada

City

Rosemont–La Petite-Patrie

RIR

ARIN

Status

allocated

Allocated

2012-07-27

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
199.241.128.0/21	AS22423 ALTIMA-TELECOM - Altima Telecom	Valid	ARIN	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
199.241.128.0/21	AS22423	/21	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS22423	ARIN	MNT-ASL-256	2025-10-23

Transfer History

Registry transfers of 199.241.128.0/21, blocks inside it, or blocks containing it.

199.241.128.0/21M&A · 2018-03-20
Altima Cable Internet
🇨🇦 CA ARIN
→
Altima Telecom
🇨🇦 CA ARIN

Date	Resource	From	To	Type
2018-03-20	199.241.128.0/21	Altima Cable Internet 🇨🇦 CA ARIN	Altima Telecom 🇨🇦 CA ARIN	M&A

Origin ASN

AS22423

ALTIMA-TELECOM - Altima Telecom

Related Prefixes

More prefixes of AS22423

All prefixes of AS22423 →

Geolocation

Country🇨🇦CanadaCA

RegionQuebec

CityRosemont–La Petite-Patrie

Coordinates45.5366, -73.6069 ↗

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/199.241.128.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/199.241.128.0/21" | jq

External Links

RIPEstat