Home Prefix Lookup38.4.128.0/21

38.4.128.0/21 - SE77E TELECOM EIRELI ME (AS264023)

IPv4ARINannouncedAS264023SE77E TELECOM EIRELI ME RPKI Valid

CIDR

38.4.128.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇧🇷 Brazil

City

ANAPOLIS

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
38.4.128.0/21	AS264023 SE77E TELECOM EIRELI ME	Valid	ARIN	2026-10-11

Related Announcements

1 less-specific, 2 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
38.0.0.0/8	AS174 COGENT-174 - Cogent Communications, LLC	No ROA	-	2026-10-11
38.4.128.0/22	AS264023 SE77E TELECOM EIRELI ME	Valid	-	2026-10-11
38.4.132.0/22	AS264023 SE77E TELECOM EIRELI ME	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
38.4.128.0/21	AS264023	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS264023	ARIN	MNT-COGC	2026-09-10

Transfer History

Registry transfers of 38.4.128.0/21, blocks inside it, or blocks containing it.

38.0.0.0/8M&A · 2025-09-23
PSINet, Inc.
🇺🇸 US ARIN
→
Cogent Communications
🇺🇸 US ARIN

Date	Resource	From	To	Type
2025-09-23	38.0.0.0/8	PSINet, Inc. 🇺🇸 US ARIN	Cogent Communications 🇺🇸 US ARIN	M&A

Origin ASN

AS264023

SE77E TELECOM EIRELI ME

Related Prefixes

Covering prefix

38.0.0.0/8AS174

More prefixes of AS264023

All prefixes of AS264023 →

Geolocation

Country🇧🇷BrazilBR

CityANAPOLIS

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/38.4.128.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/38.4.128.0/21" | jq

External Links

RIPEstat