subnet.im

AS31042Yettel d.o.o.

SerbiaRegistryRIPE NCCTypeEyeball

As of 27th September 2026, AS31042 (Yettel d.o.o.), an access network registered in Serbia with RIPE NCC, originates 23 IPv4 prefixes covering 562k addresses and 2 IPv6 prefixes. By IPv4 address space that makes it the 660th-largest of the 79,523 networks we see originating IPv4, and the 2nd-largest of 159 in Serbia. It is seen behind 33 upstream networks, most often AS15958 (CETIN Ltd. Belgrade) and AS21215 (UNITED GROUP NETWORK INFRASTRUCTURE…), and in front of 52 downstream networks. 92% of its announcements have 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

23

IPv6 prefixes

2

IPv4 addresses

562k

IPv6 /64s

68.7B

Upstream graph

The networks AS31042 is seen behind, one and two hops out, drawn from real AS paths.

AS31042Toward the internet core
Upstream graph for AS31042: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS31042Yettel d.o.o.This networkAS7713PT Telkom Indones…AS15958CETIN Ltd. Belgra…AS18106Viewqwest Pte LtdAS21215UNITED GROUP NETW…AS38880Micron21 Datacent…AS6453TATA Communicatio…AS35280F5 Networks SARLAS1299Arelion (fka. Tel…AS9002RETN LimitedAS174Cogent Communicat…AS3356Lumen (Level 3)AS2914NTT America, Inc.

Networks observed one and two hops upstream of AS31042 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

291

adjacent networks

Upstreams
3311%
Peers
20671%
Downstreams
5218%

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

Upstreams of AS31042
NetworkCountryRelationshipPathsVantage pts
AS15958CETIN Ltd. BelgradeRSPeer7,67480
AS21215UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. BeogradRSPeer98653
AS7713PT Telkom Indonesia TbkIDPeer4683
AS38880Micron21 Datacentre Pty LtdAUPeer3022
AS18106Viewqwest Pte LtdSGPeer2762
AS24482SG.GSSGPeer2693
AS58511Swoop (Anycast Global Backbone)AUPeer1612
AS8888xTom Pty LtdAUPeer1592
AS7768Nuh Ahmet Firat trading as TEKNET YAZILIM VE BILGISAYAR TEKNOLOJILERITRPeer1592
AS25091IP-Max SACHPeer1592

Prefixes

The largest blocks AS31042 originates, widest first.

Largest prefixes originated by AS31042
PrefixAddressesVisibility
178.148.0.0/15131k81/81
24.135.0.0/1665.5k81/81
89.216.0.0/1665.5k81/81
188.2.0.0/1665.5k81/81
46.240.128.0/1732.8k81/81
89.216.0.0/1732.8k81/81
89.216.128.0/1732.8k81/81
94.189.128.0/1732.8k81/81
95.180.0.0/1732.8k81/81
87.116.128.0/1816.4k81/81

Routing health

How AS31042'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

  • Valid92.0%23
  • Invalid0.0%0
  • No ROA8.0%2

Propagation

  • Globally propagated90% of full-feed peers or more100.0%25
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 23 prefixes

IPv6 — 2 prefixes

  • /2934.4B × /64100.0%2

Recent changes

Announcements that started or stopped since 28th Aug 2026.

  • Withdrawn178.148.0.0/1625th Sept 2026
  • Withdrawn178.149.0.0/1625th Sept 2026
  • Withdrawn87.116.128.0/2225th Sept 2026
  • Withdrawn87.116.132.0/2225th Sept 2026
  • Withdrawn87.116.136.0/2225th Sept 2026
  • Withdrawn87.116.160.0/1925th Sept 2026
  • Withdrawn87.116.176.0/2125th Sept 2026
  • Announced178.148.0.0/1624th Sept 2026
  • Announced178.149.0.0/1624th Sept 2026
  • Announced87.116.160.0/1924th Sept 2026
  • Announced87.116.176.0/2124th Sept 2026
  • Announced87.116.128.0/2222nd Sept 2026

7 announced and 7 withdrawn in all; the most recent are shown.

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