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AS209554

ISIF OU

AS209554 is ISIF OU (isif.net). It announces 6,912 IPv4 addresses in 20 prefixes, and 39 IPv6 prefixes.

Estonia· RIPE· allocated 2022-12-27· isp

6,912
IPv4 addresses announced
20
IPv4 prefixes
39
IPv6 prefixes
100.00%
of its routes RPKI-valid
6,912
of its IPv4 geolocated
5
countries

Where its space is

The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.

  1. Hong Kong5,376 · 77.78%
  2. Japan512 · 7.41%
  3. Singapore512 · 7.41%
  4. Estonia256 · 3.70%
  5. United States256 · 3.70%

Registry record

Its ASN Whois record, as the registry publishes it.

handle
ISIF-AS
name
ISIF OU
org
ORG-ISIF2-RIPE
org name
ISIF OU
org address
Harju maakond, Tallinn, Lasnamäe linnaosa, Sepapaja tn 6, 15551
org country
EE
country
EE
source
ripe
status
ASSIGNED
created
2022-12-27
updated
2025-12-09
maintainer
RIPE-NCC-END-MNT|ISIF-MNT
abuse
ACRO50705-RIPE
abuse name
Abuse contact role object
abuse email
abuse@isif.net
abuse kind
role

What the databases see

Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.

IPv4 prefixes

Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.

20 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
45.95.212.0/24Estoniavalid162026-10-02
152.175.1.0/24Hong Kongvalid172026-10-02
152.175.2.0/24Hong Kongvalid172026-10-02
152.175.4.0/22Hong Kongvalid172026-10-02
152.175.4.0/23Hong Kongvalid72026-10-02
152.175.6.0/23Hong Kongvalid72026-10-02
152.175.8.0/22Hong Kongvalid172026-10-02
152.175.8.0/23Hong Kongvalid72026-10-02
152.175.10.0/23Hong Kongvalid72026-10-02
152.175.12.0/22Hong Kongvalid172026-10-02
152.175.12.0/24Hong Kongvalid72026-10-02
152.175.13.0/24Hong Kongvalid72026-10-02
152.175.14.0/24Hong Kongvalid72026-10-02
152.175.16.0/22Hong Kongvalid172026-10-02
152.175.20.0/22Hong Kongvalid172026-10-02
152.175.33.0/24Japanvalid162026-10-02
152.175.34.0/24Japanvalid162026-10-02
152.175.65.0/24Singaporevalid172026-10-02
152.175.66.0/24Singaporevalid172026-10-02
152.175.97.0/24United Statesvalid172026-10-02

IPv6 prefixes

Every IPv6 prefix BGP Route saw it announce.

39 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
2001:df1:4580::/48Chinavalid202026-10-02
2405:84c0:6f00::/40Estoniavalid202026-10-02
2405:84c0:8001::/48Singaporevalid202026-10-02
2405:84c0:8003::/48Singaporevalid202026-10-02
2405:84c0:8004::/48Singaporevalid202026-10-02
2405:84c0:8005::/48Singaporevalid202026-10-02
2405:84c0:8007::/48Singaporevalid202026-10-02
2405:84c0:8008::/47Singaporevalid202026-10-02
2405:84c0:8011::/48Japanvalid202026-10-02
2405:84c0:8012::/47Japanvalid192026-10-02
2405:84c0:8014::/46Japanvalid192026-10-02
2405:84c0:8018::/48Japanvalid192026-10-02
2405:84c0:801a::/48Japanvalid192026-10-02
2405:84c0:801b::/48Japanvalid202026-10-02
2405:84c0:8022::/47Hong Kongvalid202026-10-02
2405:84c0:8024::/47Hong Kongvalid202026-10-02
2405:84c0:8026::/47Hong Kongvalid202026-10-02
2405:84c0:8028::/45Hong Kongvalid202026-10-02
2405:84c0:8030::/48United Statesvalid202026-10-02
2405:84c0:8031::/48United Statesvalid202026-10-02
2405:84c0:8032::/48United Statesvalid202026-10-02
2405:84c0:8033::/48United Statesvalid202026-10-02
2405:84c0:8034::/48United Statesvalid202026-10-02
2405:84c0:8035::/48United Statesvalid202026-10-02
2405:84c0:803f::/48United Statesvalid202026-10-02
2405:84c0:8040::/48Hong Kongvalid202026-10-02
2405:84c0:8046::/48Hong Kongvalid202026-10-02
2405:84c0:8047::/48Hong Kongvalid202026-10-02
2405:84c0:804f::/48Hong Kongvalid202026-10-02
2405:84c0:8051::/48South Koreavalid12026-10-02
2405:84c0:8052::/48South Koreavalid12026-10-02
2405:84c0:8054::/46South Koreavalid12026-10-02
2405:84c0:a100::/48Singaporevalid202026-10-02
2a0a:6040:ad00::/40United Statesvalid202026-10-02
2a0b:1187:1000::/44Japanvalid202026-10-02
2a0b:1187:2000::/44Taiwanvalid202026-10-02
2a0b:1187:3000::/44United Statesvalid202026-10-02
2a0b:1187:4000::/44Singaporevalid202026-10-02
2a0b:1187:5000::/44Hong Kongvalid202026-10-02
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