AS39122 BLACKNIGHT-AS Blacknight Internet Solutions Limited
🇮🇪Org handle: ORG-BISL2-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
34total
28 IPv46 IPv6
IPv4 Addresses
Allocated (RIR)27,392
Announced (BGP)29,440
IPv6 Addresses
Allocated (RIR)7.9×10²⁹
Announced (BGP)9.5×10²⁹
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
20
Country
🇮🇪 IERIR
RIPE NCCStatus
allocated
Allocated
2005-12-16
Routing hygiene
Score 19/100 · Low riskRPKI ROA coverage
82.4%
4 prefixes RPKI invalid
IRR route objects
79.4%
3 prefixes registered for another origin
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
4
diversity 42/100
- 18% of announced prefixes (6 of 34) have no valid ROA, 4 of them RPKI invalid
- 21% of announced prefixes (7 of 34) have no IRR route object for this ASN
Based on 34 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained
Announced Prefixes
(BGP)34|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 | |
| Valid | RIPE | 2026-10-26 |
1-10 of 34
1 / 4
Allocated Prefixes
(RIR)24Prefix | Country | RIR | Status |
|---|---|---|---|
| 46.22.128.0/20 | 🇮🇪 IE | RIPENCC | allocated |
| 64.255.40.0/24 | 🇺🇸 US | RIPENCC | assigned |
| 69.5.186.0/24 | 🇺🇸 US | RIPENCC | assigned |
| 78.153.192.0/19 | 🇮🇪 IE | RIPENCC | allocated |
| 81.17.240.0/20 | 🇮🇪 IE | RIPENCC | allocated |
| 81.17.240.0/24 | 🇮🇪 IE | RIPE | assigned |
| 85.159.16.0/21 | 🇮🇪 IE | RIPENCC | allocated |
| 91.210.232.0/22 | 🇮🇪 IE | RIPENCC | assigned |
| 176.52.222.0/23 | 🇮🇪 IE | RIPENCC | allocated |
| 185.2.64.0/22 | 🇮🇪 IE | RIPENCC | allocated |
1-10 of 24
1 / 3
All 34 announced prefixes of AS39122 →
BGP Neighbours
(seen in AS paths)Upstreams (4)
Networks AS39122 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (19)
Networks whose own prefixes AS39122 passes on: usually its customers.
- AS201000WHIZZY FTTX Js Whizzy Internet Limited45
- AS34989SERVETHEWORLD AS28
- AS215733BKBB Blacknight Internet Solutions Limited9
- AS49567APTUS6
- AS202448Mvps6
- AS42090RAPIDBB Rapid Broadband5
- AS200807Sleepless Ie Sleepless Server Solutions5
- AS60277Telcom 01 Agility Communications Limited4
- AS203185PebbleTree4
- AS206746SCCBROADBAND SCC BROADBAND LIMITED4
- AS1197NETWORKABILITY Network Ability Limited3
- AS41073RTE Raidio Teilifis Eireann3
- AS200363BK Blacknight Internet Solutions Limited3
- AS210045BC Blackrock Clinic Unlimited Company3
- AS213128LINK Broadband LINK Broadband Limited3
- AS39093WestNet IE WESTNET BROADBAND MAYO LIMITED1
- AS60592GRANSY S.R.O1
- AS204210ZEUSPACKAGINGLTD Zeus Packaging Limited1
- AS205039BeaconBroadband Beacon Broadband1
Other adjacent networks (14)
Adjacent to AS39122 in the transit part of AS paths: peers, providers or customers.
- AS37468Angola Cables Angola Cables101
- AS137409GSL Networks Pty25
- AS33891CORE BACKBONE Core Backbone9
- AS5405INTERDOTLINK Inter.Link6
- AS22356Durand Do Brasil Ltda5
- AS34177CELESTE SAS2
- AS206663MTS MEDIA Premier Data Networks2
- AS3741Dimension Data Dimension Data1
- AS6797GLOBALCONNECT NET GlobalConnect AB1
- AS7195EDGEUNO S.A.S1
- AS24482SG.GS1
- AS34549MEER Meerfarbig & . KG1
- AS61145Realbroadbandcom Real Broadband1
- AS200781TAMPNET AS1
Abuse Contact
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/39122Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/39122" | jq