Home ASN LookupAS51173

AS51173 PBB Premier Data Networks LTD

🇮🇪

Org handle: ORG-PCBS1-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

13total

13 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)3,328

Announced (BGP)3,328

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇮🇪 IE

RIR

RIPE NCC

Status

allocated

Allocated

2010-06-14

Listed on the threat map (2026-10-10)

#2 in Ireland (8 flagged networks located there)

Large hosting providers appear because attackers rent their servers, not necessarily because of the operator.

Announced Prefixes

(BGP)13

Prefix	RPKI	IRR	Last Seen
37.203.48.0/24	Valid	RIPE	2026-10-10
37.203.49.0/24	Valid	RIPE	2026-10-10
37.203.50.0/24	Valid	RIPE	2026-10-10
37.203.51.0/24	Valid	RIPE	2026-10-10
37.203.52.0/24	Valid	RIPE	2026-10-10
37.203.53.0/24	Valid	RIPE	2026-10-10
89.106.136.0/24	Valid	RIPE	2026-10-10
89.106.137.0/24	Valid	RIPE	2026-10-10
89.106.139.0/24	Valid	RIPE	2026-10-10
89.106.140.0/24	Valid	RIPE	2026-10-10

1-10 of 13

1 / 2

Allocated Prefixes

(RIR)13

Prefix	Country	RIR	Status
37.203.48.0/24	🇮🇪 IE	RIPE	assigned
37.203.49.0/24	🇮🇪 IE	RIPE	assigned
37.203.50.0/24	🇮🇪 IE	RIPE	assigned
37.203.51.0/24	🇮🇪 IE	RIPE	assigned
37.203.52.0/24	🇮🇪 IE	RIPE	assigned
37.203.53.0/24	🇮🇪 IE	RIPE	assigned
89.106.136.0/24	🇮🇪 IE	RIPE	assigned
89.106.137.0/24	🇮🇪 IE	RIPE	assigned
89.106.139.0/24	🇮🇪 IE	RIPE	assigned
89.106.140.0/24	🇮🇪 IE	RIPE	assigned

1-10 of 13

1 / 2

All 13 announced prefixes of AS51173 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS51173 hands its own prefixes to: transit providers, or peers at an exchange.

AS6830LibertyGlobal Liberty Global Europe Holding B.V12
AS62129Wirelessconnect16 Wireless Connect1

ASPA

No ASPA

Abuse Contact

External Links

RIPE Whois RIPEstat

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
ASPA explainedWhy AS51173 should publish an ASPA object
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

GEThttps://api.ipctl.io/v1/asn/51173

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/51173" | jq