Home Prefix Lookup61.57.64.0/21

61.57.64.0/21 - TBCOM NET TBC (AS131596)

IPv4APNICannouncedAS131596TBCOM-NET TBC RPKI Valid

CIDR

61.57.64.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇹🇼 Taiwan

City

Neili

RIR

APNIC

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
61.57.64.0/21	AS131596 TBCOM-NET TBC	Valid	Other IRR	2026-10-11

More-Specific Announcements

6 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
61.57.64.0/22	AS131596 TBCOM-NET TBC	Valid	-	2026-10-11
61.57.64.0/23	AS131596 TBCOM-NET TBC	Valid	-	2026-10-11
61.57.66.0/23	AS131596 TBCOM-NET TBC	Valid	-	2026-10-11
61.57.68.0/22	AS131596 TBCOM-NET TBC	Valid	-	2026-10-11
61.57.68.0/23	AS131596 TBCOM-NET TBC	Valid	-	2026-10-11
61.57.70.0/23	AS131596 TBCOM-NET TBC	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
61.57.64.0/18	AS17709	/24	apnic
61.57.64.0/18	AS131596	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS131596	Other IRR	MAINT-AS4780	2026-09-04

Origin ASN

AS131596

TBCOM-NET TBC

Related Prefixes

More prefixes of AS131596

All prefixes of AS131596 →

Geolocation

Country🇹🇼TaiwanTW

RegionTaiwan

CityNeili

Coordinates24.9725, 121.2610 ↗

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 APNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/61.57.64.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/61.57.64.0/21" | jq

External Links

RIPEstat