Home ASN LookupAS2107

AS2107 ARNES-NET ARNES

🇸🇮

Org handle: ORG-AA58-RIPE

Academic and Research Network of Slovenia (ARNES)

RIPE NCCallocated

Announced Prefixes (BGP)

33total

28 IPv45 IPv6

IPv4 Addresses

Allocated (RIR)406,032

Announced (BGP)411,136

IPv6 Addresses

Allocated (RIR)6.3×10²⁹

Announced (BGP)7.1×10²⁹

Prefix Limit (IPv4)

500

Prefix Limit (IPv6)

Country

🇸🇮 SI

RIR

RIPE NCC

Status

allocated

Allocated

1992-11-06

Routing hygiene

Score 24/100 · Low risk

RPKI ROA coverage

51.5%

6 prefixes RPKI invalid

IRR route objects

100%

no origin mismatches

Hijack signals

0 announced against others' ROAs, 0 own announced by others

Upstreams

diversity 60/100

48% of announced prefixes (16 of 33) have no valid ROA, 6 of them RPKI invalid

Based on 33 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained

Announced Prefixes

(BGP)33

Prefix	RPKI	IRR	Last Seen
44.30.85.0/24	No ROA	Other IRR	2026-10-26
88.200.0.0/17	Valid	RIPE	2026-10-26
92.244.64.0/19	Valid	RIPE	2026-10-26
95.87.128.0/18	Valid	RIPE	2026-10-26
109.127.192.0/18	Valid	RIPE	2026-10-26
141.255.192.0/18	Valid	RIPE	2026-10-26
149.62.64.0/18	Valid	RIPE	2026-10-26
153.5.0.0/16	Valid	RIPE	2026-10-26
153.5.68.0/22	Invalid	-	2026-10-26
153.5.72.0/23	Invalid	-	2026-10-26

1-10 of 33

1 / 4

Allocated Prefixes

(RIR)28

Prefix	Country	RIR	Status
88.200.0.0/17	🇸🇮 SI	RIPENCC	allocated
92.244.64.0/19	🇸🇮 SI	RIPENCC	allocated
95.87.128.0/18	🇸🇮 SI	RIPENCC	allocated
109.127.192.0/18	🇸🇮 SI	RIPENCC	allocated
141.255.192.0/18	🇸🇮 SI	RIPENCC	allocated
149.62.64.0/18	🇸🇮 SI	RIPENCC	allocated
153.5.0.0/16	🇸🇮 SI	RIPENCC	assigned
153.5.68.0/22	🇸🇮 SI	RIPE	assigned
153.5.84.176/28	🇸🇮 SI	RIPE	assigned
163.159.128.0/17	🇸🇮 SI	RIPENCC	assigned

1-10 of 28

1 / 3

All 33 announced prefixes of AS2107 →

Downstream Customers(1)

ASN	Name
AS14789	🇺🇸CLOUDFLARENET - Cloudflare, Inc.

BGP Neighbours

(seen in AS paths)

Upstreams (3)

Networks AS2107 hands its own prefixes to: transit providers, or peers at an exchange.

AS21320GEANT IAS VRF GEANT Vereniging18
AS20965GEANT Vereniging10
AS174Cogent Communications9

Downstreams (6)

Networks whose own prefixes AS2107 passes on: usually its customers.

AS42207AKOS Agencija Za Komunikacijska Omrezja In Storitve Republike Slovenije6
AS58046HKOM The Ministry Of Digital Transformation6
AS50195UM Univerza V Mariboru5
AS14789Cloudflare2
AS42909COMMUNITYDNS Community DNS Limited1
AS47267RNIDS Serbian National Internet Domain Registry Foundation1

Other adjacent networks (1)

Adjacent to AS2107 in the transit part of AS paths: peers, providers or customers.

AS26415VeriSign Global Registry Services2

ASPA

No ASPA0 upstreams, 1 downstream

Listed as Upstream Provider by

1 ASN

View full ASPA details →

Abuse Contact

+31205354444

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
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

GEThttps://api.ipctl.io/v1/asn/2107

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

curl -s "https://api.ipctl.io/v1/asn/2107" | jq