AS44143
A1 Srbija d.o.o. Beograd
Scanned 4h 16m ago
🔄 Rescan

📋 Summary

IP address summary information
NameA1 Srbija d.o.o. Beograd
Websitehttps://a1.rs
IPv4 addresses27K
IPv6 addresses~2^82
ASN typeTransit
RegistryRIPE NCC
AllocatedNov 23, 2007
UpdatedMay 14, 2026

📊 IP Ranges

IPv4: 14 | IPv6: 3
NetblockIP Count
188.120.96.0/20 4.1K
2a00:61c0::/32 0
95.86.60.0/22 1.0K
188.120.116.0/22 1.0K
185.37.24.0/22 1.0K
198.143.176.0/21 2.0K
188.120.112.0/21 2.0K
2a00:61c1::/32 0
188.120.112.0/22 1.0K
95.86.8.0/22 1.0K
95.86.48.0/21 2.0K
77.243.16.0/20 4.1K
95.86.4.0/22 1.0K
2a00:61c0::/29 0
188.120.104.0/21 2.0K
188.120.96.0/21 2.0K
37.19.104.0/21 2.0K

Prefix data from RIPE Stat / RIR allocation records.

📄 WHOIS

RIPE NCC
HandleAS44143
NameA1SERBIA-AS
OrganizationA1 Srbija d.o.o. Beograd
Websitehttps://a1.rs
Statusactive
AllocatedNov 23, 2007
UpdatedMay 14, 2026

Contacts

RegistrantA1 Srbija d.o.o. Beograd
Abuse ContactA1 SERBIA ABUSE-C <zloupotreba@a1.rs>
Admin ContactA1 Serbia IP Admins
Tech ContactA1 Serbia IP Admins
Phone+381602254141
AddressA1 Serbia doo Milutina Milankovica 1z 11070 Beograd

Source: RIPE NCC

🔗 Peers

3 peers for this ASN
ASNNameCountry
AS13004 SOX Serbian Open Exchange DOO -
AS15958 CETIN_doo_AS CETIN Ltd. Belgrade -
AS6204 ZET-NET INTERKVM HOST SRL -

Peer data from RIPE Stat ASN neighbours.

⬆️ Upstreams

2 upstreams
ASNName
AS174 Cogent Communications, LLC
AS8447 A1TELEKOM-AT A1 Telekom Austria AG

Upstream data from RIPE Stat routing history.

⬇️ Downstreams

5 downstreams
ASNNameCountry
AS205201 rts-as Public Service Media Radio Television of Serbia -
AS213008 LILLY-RS APOTEKARSKA USTANOVA LILLY DROGERIE BEOGRAD -
AS31042 SERBIA-BROADBAND-AS Yettel d.o.o. -
AS394977 TAKE-TWO INTERACTIVE SOFTWARE, INC. -
AS62012 GeneraliSrbija Generali Osiguranje Srbija -

🔒 RPKI / ROA

Source: rpki.zorn.ltd
PrefixOrigin ASNMax LengthValidity
188.120.96.0/20 AS44143 /20 ✓ Valid
95.86.60.0/22 AS44143 /22 ✓ Valid
188.120.116.0/22 AS44143 /22 ✓ Valid
185.37.24.0/22 AS44143 /22 ✓ Valid
198.143.176.0/21 AS44143 /21 ✓ Valid
188.120.112.0/21 AS44143 /21 ✓ Valid
188.120.112.0/22 AS44143 /22 ✓ Valid
95.86.8.0/22 AS44143 /22 ✓ Valid
95.86.48.0/21 AS44143 /21 ✓ Valid
77.243.16.0/20 AS44143 /20 ✓ Valid
95.86.4.0/22 AS44143 /22 ✓ Valid
188.120.104.0/21 AS44143 /21 ✓ Valid
188.120.96.0/21 AS44143 /21 ✓ Valid
37.19.104.0/21 AS44143 /21 ✓ Valid

RPKI validation powered by rpki.zorn.ltd (Routinator).

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