subnet.im

AS25098Netcalibre Ltd

United KingdomRegistryRIPE NCC

As of 10th November 2026, AS25098 (Netcalibre Ltd), a network registered in the United Kingdom with RIPE NCC, originates 12 IPv4 prefixes covering 26.1k addresses and 2 IPv6 prefixes. By IPv4 address space that makes it the 6,173rd-largest of the 80,723 networks we see originating IPv4, and the 171st-largest of 2,122 in the United Kingdom. It is seen behind 15 upstream networks, most often AS1299 (Arelion (fka. Telia Carrier)) and AS174 (Cogent Communications, LLC), and in front of 4 downstream networks. Every one of its announcements has a valid RPKI ROA, and none are RPKI-invalid. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

12

IPv6 prefixes

2

IPv4 addresses

26.1k

IPv6 /64s

4.3B

Upstream graph

The networks AS25098 is seen behind, one and two hops out, drawn from real AS paths.

AS25098Toward the internet core
Upstream graph for AS25098: 11 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS25098Netcalibre LtdThis networkAS174Cogent Communicat…AS1299Arelion (fka. Tel…AS6939Hurricane Electri…AS13030Init7 (Switzerlan…AS20473The Constant Comp…AS151326DCConnect Communi…AS16552Tiggee LLCAS20130Depaul UniversityAS132337AxclusiveAS56662Marcin GondekAS2914NTT America, Inc.

Networks observed one and two hops upstream of AS25098 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

69

adjacent networks

Upstreams
1522%
Peers
5072%
Downstreams
46%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS25098
NetworkCountryRelationshipPathsVantage pts
AS1299Arelion (fka. Telia Carrier)SEPeer1,37293
AS174Cogent Communications, LLCUSPeer42339
AS20473The Constant Company, LLCUSPeer106106
AS13030Init7 (Switzerland) Ltd.CHPeer715
AS6939Hurricane Electric LLCUSPeer5812
AS49544i3D.net B.VNLPeer152
AS132337AxclusiveSGAdjacent142
AS52075Wifirst S.A.S.FRPeer142
AS3170VeloxServ Communications LtdGBPeer142
AS39122Blacknight Internet Solutions LimitedIEPeer142

Prefixes

The largest blocks AS25098 originates, widest first.

Largest prefixes originated by AS25098
PrefixAddressesVisibility
213.230.192.0/1816.4k75/76
165.65.208.0/204.1k75/76
89.34.112.0/212k75/76
46.248.112.0/221k75/76
152.89.30.0/2351275/76
193.201.70.0/2351275/76
62.68.73.0/2425675/76
93.94.48.0/2425675/76
93.94.49.0/2425675/76
213.230.255.0/2425676/76

Routing health

How AS25098's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid100.0%14
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more100.0%14
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 12 prefixes

IPv6 — 2 prefixes

  • /324.3B × /6450.0%1
  • /4865.5k × /6450.0%1

Recent changes

Announcements that started or stopped since 11th Oct 2026.

No announcement by AS25098 started or stopped in this period.

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.