HomeASN LookupAS5408

AS5408 GR-NET National Infrastructures for Research and Technology S.A.

🇬🇷

Org handle: ORG-GRaT1-RIPE

http://www.grnet.gr

RIPE NCCallocatedASPA Published
Announced Prefixes (BGP)
40total
39 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)247,552
Announced (BGP)251,904
IPv6 Addresses
Allocated (RIR)6.3×10²⁹
Announced (BGP)6.3×10²⁹
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
5
Country
🇬🇷 GR
RIR
RIPE NCC
Status
allocated
Allocated
1995-09-06

Routing hygiene

Score 10/100 · Low risk
RPKI ROA coverage
85%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
3
diversity 50/100
  • 15% of announced prefixes (6 of 40) have no valid ROA

Based on 40 announced prefixes, updated daily (2026-10-21). How the score works · RPKI explained

Announced Prefixes

(BGP)40
|
Prefix
RPKI
IRR
Last Seen
37.32.128.0/17
 Valid
RIPE
2026-10-26
44.31.164.0/24
No ROA
Other IRR
2026-10-26
62.217.64.0/18
 Valid
RIPE
2026-10-26
62.217.79.0/24
 Valid
RIPE
2026-10-26
62.217.85.0/24
 Valid
RIPE
2026-10-26
62.217.119.0/24
 Valid
RIPE
2026-10-26
62.217.124.0/24
 Valid
RIPE
2026-10-26
62.217.126.0/24
 Valid
RIPE
2026-10-26
83.212.0.0/16
 Valid
RIPE
2026-10-26
83.212.1.0/24
 Valid
RIPE
2026-10-26
1-10 of 40
1 / 4

Allocated Prefixes

(RIR)28
Prefix
Country
RIR
Status
37.32.128.0/17🇬🇷 GRRIPENCCallocated
62.217.64.0/18🇬🇷 GRRIPENCCallocated
83.212.0.0/16🇬🇷 GRRIPENCCallocated
91.227.108.0/24🇬🇷 GRRIPENCCassigned
109.107.139.0/24🇬🇷 GRRIPENCCallocated
143.233.68.0/24🇬🇷 GRRIPEassigned
143.233.182.0/23🇬🇷 GRRIPEassigned
143.233.184.0/22🇬🇷 GRRIPEassigned
143.233.188.0/23🇬🇷 GRRIPEassigned
143.233.204.0/24🇬🇷 GRRIPEassigned
1-10 of 28
1 / 3

All 40 announced prefixes of AS5408 →

Upstream Providers(3)

ASNName
AS3491🇭🇰PCCWG-APAC-HK - PCCW Global (HK) Ltd.
AS20965🇳🇱GEANT GEANT Vereniging
AS21320🇳🇱GEANT_IAS_VRF GEANT Vereniging

Downstream Customers(1)

ASNName
AS199399🇬🇷GR-IX-AS National Infrastructures for Research and Technology S.A.

BGP Neighbours

(seen in AS paths)

Upstreams (3)

Networks AS5408 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS21320GEANT IAS VRF GEANT Vereniging26
  • AS20965GEANT Vereniging11
  • AS13335Cloudflare3

Downstreams (30)

Networks whose own prefixes AS5408 passes on: usually its customers.

  • AS8248GR EDUNET Computer Technology Institute And Press "Diophantus"13
  • AS8581UOI University Of Ioannina8
  • AS8762TEI OF CRETE Hellenic Mediterranean University8
  • AS8643ATHENAnet NATIONAL AND KAPODISTRIAN UNIVERSITY OF ATHENS5
  • AS12402UOPIRAEUS University Of Piraeus5
  • AS15690NOANET NATIONAL OBSERVATORY OF ATHENS5
  • AS8253DUTHNET Democritus University Of Thrace4
  • AS8617University Of The Aegean4
  • AS8618Ionion University4
  • AS9069UNIWA4
  • AS5470ASAUTHNET Aristotle University Of Thessaloniki3
  • AS5489TEI THES International Hellenic University3
  • AS6867UCnet University Of Crete3
  • AS8522FORTH Foundation Of Research And Technology Hellas3
  • AS8611Athens University Of Economics And Business3
  • AS8991HCMR NET Hellenic Centre For Marine Research3
  • AS12364UOM University Of Macedonia, Economic And Social Sciences3
  • AS15536CEDEFOP European Centre For The Development Of Vocational Training (CEDEFOP)3
  • AS15948ICE/HT Fundamental And Technological Research3
  • AS31563HNMS Hellenic National Meteorological Service3
  • AS2546ARIADNE T National Center Of Scientific Research DEMOKRITOS2
  • AS3323NTUA National Technical University Of Athens2
  • AS8278TUC Technical University Of Crete2
  • AS20813HOU Hellenic Open University2
  • AS47065USC / UFMG PEERING Research Testbed2
  • AS47616CERTH Center For Research And Technology Hellas (CERTH)2
  • AS202640Snfcc KENTRO POLITISMOU IDRYMA STAVROS NIARCHOS MONOPROSOPI A.E2
  • AS203348EETT Hellenic Telecommunications And Post Commision2
  • AS6744RACTI NET Computer Technology Institute And Press "Diophantus"1
  • AS50148ERT Elliniki Radiofonia Tileorasi (ERT)1

Other adjacent networks (1)

Adjacent to AS5408 in the transit part of AS paths: peers, providers or customers.

  • AS3491PCCW Global (HK)8
ASPA
Published3 upstreams, 1 downstream
Authorized Upstream Providers
AS3491AS20965AS21320
Expires 2026-10-27
Listed as Upstream Provider by
1 ASN
View full ASPA details →
Abuse Contact
+31205354444
External Links
RIPE WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/5408

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

curl -s "https://api.ipctl.io/v1/asn/5408" | jq