Home Prefix Lookup81.21.240.0/20

81.21.240.0/20 - Tele2 Sverige AB (AS1257)

IPv4RIPE NCCallocatedAS1257SWIPNET - Tele2 Sverige AB RPKI Valid

CIDR

81.21.240.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇪🇪 Estonia

City

Tallinn

RIR

RIPE NCC

Status

allocated

Allocated

2006-01-24

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
81.21.240.0/20	AS1257 SWIPNET - Tele2 Sverige AB	Valid	RIPE	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
81.21.240.0/20	AS1257	/20	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS1257	RIPE	AS1257-MNT	2026-07-02

More Specific Prefixes

Prefix	Country	Status
81.21.240.0/23	🇪🇪EE	assigned
81.21.242.0/23	🇪🇪EE	assigned
81.21.244.0/29	🇪🇪EE	assigned
81.21.244.8/29	🇪🇪EE	assigned
81.21.244.16/29	🇪🇪EE	assigned
81.21.244.24/29	🇪🇪EE	assigned
81.21.244.80/29	🇪🇪EE	assigned
81.21.244.112/28	🇪🇪EE	assigned
81.21.245.0/29	🇪🇪EE	assigned
81.21.245.32/28	🇪🇪EE	assigned
81.21.245.48/28	🇪🇪EE	assigned
81.21.245.64/29	🇪🇪EE	assigned
81.21.245.72/29	🇪🇪EE	assigned
81.21.245.96/27	🇪🇪EE	assigned
81.21.245.144/30	🇪🇪EE	assigned
81.21.245.176/28	🇪🇪EE	assigned
81.21.245.192/28	🇪🇪EE	assigned
81.21.246.0/24	🇪🇪EE	assigned
81.21.247.0/27	🇪🇪EE	assigned
81.21.247.128/25	🇪🇪EE	assigned
81.21.248.0/24	🇪🇪EE	assigned
81.21.249.0/25	🇪🇪EE	assigned
81.21.249.128/26	🇪🇪EE	assigned
81.21.250.0/24	🇪🇪EE	assigned
81.21.251.0/24	🇪🇪EE	assigned
81.21.252.0/24	🇪🇪EE	assigned
81.21.253.0/24	🇪🇪EE	assigned
81.21.254.0/23	🇪🇪EE	assigned

Transfer History

Registry transfers of 81.21.240.0/20, blocks inside it, or blocks containing it.

81.21.240.0/20Transfer · 2016-05-27
Tele2 Eesti AS
RIPE NCC
→
Tele2 Sverige AB
RIPE NCC

Date	Resource	From	To	Type
2016-05-27	81.21.240.0/20	Tele2 Eesti AS RIPE NCC	Tele2 Sverige AB RIPE NCC	Transfer

Origin ASN

AS1257

SWIPNET - Tele2 Sverige AB

Related Prefixes

More prefixes of AS1257

All prefixes of AS1257 →

Geolocation

Country🇪🇪EstoniaEE

RegionHarjumaa

CityTallinn

Coordinates59.4370, 24.7536 ↗

Abuse Contact

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 RIPE NCC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/81.21.240.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/81.21.240.0/20" | jq

External Links

RIPEstat