asn.dev

Autonomous system

AS39122 BLACKNIGHT-AS

Hosting RIPE Content

IPv4 addresses 24.58K 31 prefixes
IPv6 prefixes 6 counted as prefixes, not addresses
Countries 1 mostly IE
Exchanges 9 recorded by PCH
Upstreams 32 23 downstream
Flagged prefixes 0 none

Summary

Blacknight Internet Solutions

Ireland · AI-generated

hosting colocation registrar business

BLACKNIGHT-AS is operated by Blacknight Internet Solutions Limited.

What it's used for

  • The address space carries hosting and co-location infrastructure, evidenced by netnames IE-BLACKNIGHT-20101125, BLACKNIGHT-DEDICATED, and BLACKNIGHT-HOSTING, and reverse DNS entries such as 132-0.colo.sta.blacknight.ie and dns2.blacknight.ie.
  • The AS announces 25,344 IPv4 addresses across 34 prefixes and 6 IPv6 prefixes, while maintaining 1,463 observed neighbours; this high neighbour count relative to address volume indicates a transit and peering-heavy role supporting its hosting and colocation services.
  • Traffic from this AS consists of web hosting endpoints, dedicated server instances, and domain registration services for business customers, consistent with Blacknight's operations as an ICANN-accredited registrar and hosting provider.

Notable

  • All registrants for the sampled prefixes are consistent with the announcer, listing Blacknight RIPE Administrator, Blacknight RIPE Engineering, and Blacknight Internet Solutions Limited.
  • The address inventory is finely subdivided into numerous /22, /23, and /24 blocks, reflecting a segmented internal corporate estate for different service tiers and customer allocations.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.

Interconnection

Peering at a glance

Full topology · Graph

Internet exchanges

Recorded at 9 exchanges in 3 countries, largest first.

ExchangeLocationTheir address
LINX LON1London, United Kingdom195.66.226.97
AMS-IX AmsterdamAmsterdam, Netherlands80.249.211.186
The Frys Internet ExchangeFrysian, Netherlands2001:7f8:10f::98d2:24
London Network Access PointLondon, United Kingdom5.57.82.112
Speed Internet ExchangeDronten, Netherlands185.1.222.240
ERA-IX AmsterdamAmsterdam, Netherlands185.1.240.94
Internet Neutral Exchange Association CLG - LAN1Dublin, Ireland185.6.36.35
Internet Neutral Exchange Association CLG - LAN2Dublin, Ireland194.88.240.12

Transit providers

32 upstream, 23 downstream and 84 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS1299Arelion Sweden AB420
AS6939Hurricane Electric LLC265
AS174Cogent Communications, LLC219
AS34549meerfarbig GmbH & Co. KG98
AS50304Blix Solutions AS58
AS24482SG.GS29
AS48185team.blue NV29
AS48362Stadtwerke Feldkirch29

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-11, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 31 prefixes · 24.58K addresses IPv6 6 prefixes

CountryNamePrefixes
IEIreland37

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS39122
Registry name
BLACKNIGHT-AS
Registrant
MNT-BLACKNIGHT
Abuse contact
abuse@blacknight.ie
Registered
2005-12-16
Last changed
2020-04-01
Allocation
allocated

Declared

PeeringDB profile

self-reported
Name
Blacknight Internet Solutions
Also known as
Blacknight
Network type
Content
Scope
Europe
Traffic ratio
Balanced
Peering policy
Open
IRR as-set
AS-BLACKNIGHT
Present at
9 exchanges
Facilities
15 facilities
Website
https://www.blacknight.com

PeeringDB records are maintained by the network operator and are not independently verified. Treat them as a statement of intent rather than of fact. For the observed and recorded view, see peering, which lists the exchanges Packet Clearing House has a port on file for.

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 29 valid, 0 with no ROA
ROAs
25 authorising AS39122
ASPA
no ASPA record
IRR
93% registered · 27 of 29 announcements
Route objects
34 naming AS39122

Reputation

Classification and threat

Hosting Datacenter or cloud provider. Addresses are servers, not people.

Spamhaus DROP

Not on ASN-DROP The network as a whole is not listed.

No DROP prefixes None of its announced space is on the DROP prefix list.

Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 432 networks and 1,768 prefixes, as published 2026-10-12. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.

FBI IC3

No IC3 indicators Nothing from the FBI IC3 feed.

IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.

Elsewhere

Cross-check