HomeASN LookupAS61231

AS61231 Neos-Networks Neos Networks Limited

🇬🇧

Org handle: ORG-NNL41-RIPE

RIPE NCCallocated
Announced Prefixes (BGP)
9total
8 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)1,024
Announced (BGP)36,864
IPv6 Addresses
Allocated (RIR)6.3×10²⁹
Announced (BGP)6.3×10²⁹
Prefix Limit (IPv4)
20
Prefix Limit (IPv6)
5
Country
🇬🇧 GB
RIR
RIPE NCC
Status
allocated
Allocated
2012-12-28

Announced Prefixes

(BGP)9
|
Prefix
RPKI
IRR
Last Seen
155.136.198.0/23
No ROA
RIPE
2026-10-11
155.136.224.0/22
No ROA
RIPE
2026-10-11
155.136.230.0/23
No ROA
RIPE
2026-10-11
155.136.232.0/23
No ROA
RIPE
2026-10-11
161.12.0.0/17
No ROA
RIPE
2026-10-11
185.14.144.0/22
No ROA
RIPE
2026-10-11
194.169.150.0/24
No ROA
RIPE
2026-10-11
194.169.151.0/24
No ROA
RIPE
2026-10-11
2a02:f9c0::/29
No ROA
RIPE
2026-10-11

Allocated Prefixes

(RIR)2
Prefix
Country
RIR
Status
185.14.144.0/22🇬🇧 GBRIPENCCallocated
2a02:f9c0::/29🇬🇧 GBRIPENCCallocated

All 9 announced prefixes of AS61231 →

Downstream Customers(1)

ASNName
AS44314🇬🇧ITSYNERGY ITsynergy Limited

BGP Neighbours

(seen in AS paths)

Upstreams (4)

Networks AS61231 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS6762SEABONE NET TELECOM ITALIA SPARKLE S.P.A5
  • AS174Cogent Communications2
  • AS6204ZET NET INTERKVM HOST1
  • AS33891CORE BACKBONE Core Backbone1

Downstreams (20)

Networks whose own prefixes AS61231 passes on: usually its customers.

  • AS204562ASJavelin JAVELIN BROADBAND LIMITED5
  • AS8784AS8784 Odigo SASU4
  • AS25470Scottish Southern Plc Neos Networks Limited3
  • AS44314ITSYNERGY Limited3
  • AS60593NR DC UK Network Rail Infrastructure Limited3
  • AS211167ITFARM IT Farm Limited3
  • AS211678MYFI Michaelston Y Fedw Internet CIC3
  • AS213646Monkey Tree Hosting Monkey Tree Hosting Limited3
  • AS8435LBG INTERNET EDGE Lloyds Banking Group PLC2
  • AS38808IMZAK TRANSIT AP NIGSUN LIMITED IP SERVICES2
  • AS49758LLOYDSBANKING Lloyds Banking Group PLC2
  • AS202630SequentialNetworksUK Sequential Networks Limited2
  • AS203171CHITECHNOLOGY Chi Technology2
  • AS215047Theonebroadband DSV Communications Limited2
  • AS401234Northeastern University2
  • AS204103Commswest Comms West Limited1
  • AS208307Secondmind LIMITED1
  • AS209931VirAir Limited1
  • AS210005Easysoft1
  • AS215742Duplia1

Other adjacent networks (3)

Adjacent to AS61231 in the transit part of AS paths: peers, providers or customers.

  • AS214073Heart Internet Uk Heart Internet Limited65
  • AS34549MEER Meerfarbig & . KG4
  • AS6939Hurricane Electric1

Transfer History

Registry transfers of AS61231 between organisations.

1
ASPA
No ASPA0 upstreams, 1 downstream
Listed as Upstream Provider by
1 ASN
View full ASPA details →
Abuse Contact
External Links
RIPE WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/61231

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

curl -s "https://api.ipctl.io/v1/asn/61231" | jq