subnet.im

AS51964ORANGE BUSINESS SERVICES U.S. Inc.

United StatesRegistryRIPE NCC

As of 28th September 2026, AS51964 (ORANGE BUSINESS SERVICES U.S. Inc.), a network registered in the United States with RIPE NCC, originates 283 IPv4 prefixes covering 2M addresses and 61 IPv6 prefixes. By IPv4 address space that makes it the 272nd-largest of the 79,544 networks we see originating IPv4, and the 67th-largest of 18,428 in the United States. It is seen behind 9 upstream networks, most often AS4862 (Orange Business AS for Asia) and AS2647 (Orange Business Communications…), and in front of 23 downstream networks. 94% of its announcements have a valid RPKI ROA, and none are RPKI-invalid. 94% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

283

IPv6 prefixes

61

IPv4 addresses

2M

IPv6 /64s

77.8B

Upstream graph

The networks AS51964 is seen behind, one and two hops out, drawn from real AS paths.

AS51964Toward the internet core
Upstream graph for AS51964: 10 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS51964ORANGE BUSINESS S…This networkAS2647Orange Business C…AS4004Orange Business S…AS4862Orange Business A…AS5583Orange S.A.AS10282GLOBAL ONEAS6461Zayo BandwidthAS5511Orange S.A.AS9498Bharti Airtel Ltd.AS58453China Mobile Inte…AS6939Hurricane Electri…

Networks observed one and two hops upstream of AS51964 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

65

adjacent networks

Upstreams
914%
Peers
3351%
Downstreams
2335%

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

Upstreams of AS51964
NetworkCountryRelationshipPathsVantage pts
AS4862Orange Business AS for AsiaHKPeer8,738147
AS2647Orange Business Communications Technology LimitedIEPeer7,136146
AS10282GLOBAL ONEUSPeer4,665147
AS5583Orange S.A.FRPeer4,010147
AS4004Orange Business Services Britain, Western AfricaUSPeer1,951145
AS2874ORANGE BUSINESS SERVICES U.S. Inc.USPeer1,757146
AS6853ORANGE BUSINESS SERVICES U.S. Inc.USPeer1,700147
AS4805Orange Business AS for OceaniaAUPeer85585
AS6505Orange Business Services Brazil LTDABRPeer38988

Prefixes

All 344

The largest blocks AS51964 originates, widest first.

Largest prefixes originated by AS51964
PrefixAddressesVisibility
57.68.0.0/15131k82/82
57.72.0.0/15131k82/82
57.96.0.0/15131k82/82
57.86.0.0/1665.5k26/82
57.90.0.0/1665.5k82/82
57.98.0.0/1665.5k82/82
157.150.0.0/1665.5k82/82
164.43.0.0/1665.5k82/82
57.66.0.0/1732.8k82/82
57.66.128.0/1732.8k82/82

Routing health

How AS51964'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

  • Valid94.5%325
  • Invalid0.0%0
  • No ROA5.5%19

Propagation

  • Globally propagated90% of full-feed peers or more94.5%325
  • Partially propagated40% to 90%2.6%9
  • Seen by few peersUnder 40%2.9%10

Prefix sizes

IPv4 — 283 prefixes

IPv6 — 61 prefixes

  • /3017.2B × /643.3%2
  • /324.3B × /6411.5%7
  • /36268M × /6482.0%50
  • /45524k × /641.6%1
  • /4865.5k × /641.6%1

Recent changes

Announcements that started or stopped since 29th Aug 2026.

No announcement by AS51964 started or stopped in this period.

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