AS209554 ISIF OU
IPv4 addresses
7,168
IPv6 /48 networks
642
RPKI
69 valid0 no ROA
Peers and downstreams
10
Holder
- AS name
- ISIF-AS
- Description
- ISIF OU
- Organisation
- ISIF OU
- Registered in
- Tallinn, Estonia
- Abuse contact
- abuse@isif.net
- Assigned
- 2022-12-26
- Registered
- 2022-12-27
- Record last changed
- 2025-12-09 09:37 UTC
152.175.1.0/24152.175.10.0/23152.175.10.0/24152.175.11.0/24152.175.12.0/22152.175.12.0/24152.175.13.0/24152.175.14.0/24152.175.16.0/22152.175.2.0/24152.175.20.0/22152.175.20.0/23152.175.22.0/23152.175.33.0/24152.175.34.0/24152.175.4.0/22152.175.4.0/23152.175.4.0/24152.175.5.0/24152.175.6.0/23152.175.6.0/24152.175.65.0/24152.175.66.0/24152.175.7.0/24152.175.8.0/22152.175.8.0/23152.175.8.0/24152.175.9.0/24152.175.97.0/2445.95.212.0/24
2001:df1:4580::/482405:84c0:6f00::/402405:84c0:8001::/482405:84c0:8003::/482405:84c0:8004::/482405:84c0:8005::/482405:84c0:8007::/482405:84c0:8008::/472405:84c0:8011::/482405:84c0:8012::/472405:84c0:8014::/462405:84c0:8018::/482405:84c0:801a::/482405:84c0:801b::/482405:84c0:8022::/472405:84c0:8024::/472405:84c0:8026::/472405:84c0:8028::/452405:84c0:8030::/482405:84c0:8031::/482405:84c0:8032::/482405:84c0:8033::/482405:84c0:8034::/482405:84c0:8035::/482405:84c0:803f::/482405:84c0:8040::/482405:84c0:8046::/482405:84c0:8047::/482405:84c0:804f::/482405:84c0:8051::/482405:84c0:8052::/482405:84c0:8054::/462405:84c0:a100::/482a0a:6040:ad00::/402a0b:1187:1000::/442a0b:1187:2000::/442a0b:1187:3000::/442a0b:1187:4000::/442a0b:1187:5000::/44
Upstream graph
Upstreams and their upstreams, from BGP pathsNetwork health
Grade A · 100/100| pass | Prefixes covered by valid ROAs 69 of 69 announced prefixes are RPKI valid. |
25/25 |
| pass | No RPKI invalid announcements None of the announcements is RPKI invalid. |
10/10 |
| pass | Announces IPv6 39 IPv6 prefixes. |
15/15 |
| pass | More than one upstream 4 upstreams seen in BGP. |
10/10 |
| pass | Working abuse contact abuse@isif.net is published. |
15/15 |
| pass | Publishes a geofeed A geofeed (RFC 8805) tells where the address space is used. |
10/10 |
| pass | No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger. |
10/10 |
| pass | Registry record maintained Last changed 2025-12-09. |
5/5 |
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
Show this on your website
HTML
<a href="https://ip-fd.net/asn/209554"><img src="https://ip-fd.net/badge/asn/209554/health.svg" alt="AS209554 network health on IP-FD.net"></a>
Markdown
[](https://ip-fd.net/asn/209554)
Use rpki.svg instead of health.svg for the RPKI badge.
Routing changes
Last 30 days| 2026-10-05 04:58 UTC | Neighbour gone | AS205112 | upstream |
| 2026-10-05 04:58 UTC | Neighbour gone | AS56662 | peer |
| 2026-10-05 04:58 UTC | Neighbour gone | AS34927 | upstream |
| 2026-10-05 04:58 UTC | Neighbour gone | AS34549 | upstream |
| 2026-10-05 04:58 UTC | Neighbour gone | AS3214 | peer |
| 2026-10-05 04:58 UTC | New neighbour | AS218668 | downstream |
| 2026-10-05 04:58 UTC | New neighbour | AS214731 | downstream |
| 2026-10-05 04:58 UTC | New neighbour | AS204921 | downstream |
| 2026-10-05 04:58 UTC | Relationship changed | AS8298 | upstream to peer |
| 2026-10-05 04:58 UTC | Relationship changed | AS4743 | downstream to upstream |
| 2026-10-05 04:58 UTC | Relationship changed | AS401753 | upstream to peer |
| 2026-10-05 04:58 UTC | New neighbour | AS3204 | upstream |
| 2026-10-05 04:58 UTC | Relationship changed | AS25091 | upstream to peer |
| 2026-10-05 04:58 UTC | Prefix gone | 2a14:7581:a100::/44 | |
| 2026-10-05 04:58 UTC | Prefix gone | 2a14:7581:a000::/44 | |
| 2026-10-05 04:58 UTC | Prefix gone | 2405:84c0:8016::/47 | |
| 2026-10-05 04:58 UTC | Prefix gone | 2405:84c0:8015::/48 | |
| 2026-10-05 04:58 UTC | Prefix gone | 2405:84c0:8014::/47 | |
| 2026-10-05 04:58 UTC | Prefix gone | 194.231.149.0/24 | |
| 2026-10-05 04:58 UTC | New prefix | 152.175.20.0/23 | |
| 2026-10-05 04:58 UTC | New prefix | 152.175.20.0/22 | |
| 2026-10-05 04:58 UTC | New prefix | 152.175.22.0/23 | |
| 2026-10-05 04:58 UTC | New prefix | 152.175.10.0/23 | |
| 2026-10-05 04:58 UTC | New prefix | 152.175.8.0/23 | |
| 2026-10-05 04:58 UTC | New prefix | 152.175.4.0/23 | |
| 2026-10-05 04:58 UTC | New prefix | 152.175.6.0/23 | |
| 2026-10-05 04:58 UTC | New prefix | 2405:84c0:8008::/47 | |
| 2026-10-05 04:58 UTC | New prefix | 152.175.8.0/22 | |
| 2026-10-05 04:58 UTC | New prefix | 2405:84c0:8014::/46 |
WHOIS
aut-num: AS209554 as-name: ISIF-AS org: ORG-ISIF2-RIPE sponsoring-org: ORG-SIIL1-RIPE abuse-c: ACRO50705-RIPE admin-c: ACRO50705-RIPE tech-c: ACRO50705-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT mnt-by: ISIF-MNT created: 2022-12-27T09:39:07Z last-modified: 2025-12-09T09:37:56Z source: RIPE