Home ASN LookupAS8643

AS8643 ATHENAnet NATIONAL AND KAPODISTRIAN UNIVERSITY OF ATHENS

🇬🇷

Org handle: ORG-UOA1-RIPE

Academic and Research Network in the Region

RIPE NCCallocated

Announced Prefixes (BGP)

5total

4 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)51,968

Announced (BGP)51,712

IPv6 Addresses

Allocated (RIR)1.2×10²⁴

Announced (BGP)1.2×10²⁴

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇬🇷 GR

RIR

RIPE NCC

Status

allocated

Allocated

1998-02-04

Routing hygiene

Score 10/100 · Low risk

RPKI ROA coverage

100%

no RPKI invalid prefixes

IRR route objects

100%

no origin mismatches

Hijack signals

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

Upstreams

diversity 0/100

Only one upstream seen in the AS paths of its routes

Based on 5 announced prefixes, updated daily (2026-10-26). How the score works · RPKI explained

Announced Prefixes

(BGP)5

Prefix	RPKI	IRR	Last Seen
87.239.232.0/21	Valid	RIPE	-
88.197.0.0/17	Valid	RIPE	-
195.130.64.0/23	Valid	RIPE	-
195.134.64.0/18	Valid	RIPE	-
2001:648:2010::/48	Valid	RIPE	-

Allocated Prefixes

(RIR)6

Prefix	Country	RIR	Status
87.239.232.0/21	🇬🇷 GR	RIPENCC	assigned
88.197.0.0/17	🇬🇷 GR	RIPENCC	assigned
193.218.72.0/24	🇬🇷 GR	RIPENCC	assigned
195.130.64.0/23	🇬🇷 GR	RIPE	assigned
195.134.64.0/18	🇬🇷 GR	RIPENCC	assigned
2001:648:2010::/48	🇬🇷 GR	RIPE	assigned

All 5 announced prefixes of AS8643 →

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS8643 hands its own prefixes to: transit providers, or peers at an exchange.

AS5408GR NET National Infrastructures For Research And Technology S.A5

ASPA

No ASPA

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
ASPA explainedWhy AS8643 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/8643

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

curl -s "https://api.ipctl.io/v1/asn/8643" | jq