SUBNET.IM

AS37919SEGA SAMMY HOLDINGS INC.

JapanRegistryAPNIC

At a glance

IPv4 prefixes

2

IPv6 prefixes

1

IPv4 addresses

66.6k

IPv6 /64s

65.5k

Upstream graph

The networks AS37919 is seen behind, one and two hops out, drawn from real AS paths.

AS37919Toward the internet core
Upstream graph for AS37919: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS37919SEGA SAMMY HOLDIN…This networkAS2519ARTERIA Networks …AS6939Hurricane Electri…AS9002RETN LimitedAS17676SoftBank Corp.AS18106Viewqwest Pte LtdAS3356Lumen (Level 3)AS20130Depaul UniversityAS1299Arelion (fka. Tel…AS6453TATA Communicatio…AS51907Kanton ZugAS2914NTT America, Inc.AS215859Hetzner Cloud - S…

Networks observed one and two hops upstream of AS37919 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

23

adjacent networks

Upstreams
835%
Peers
1565%
Downstreams
00%

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

Upstreams of AS37919
NetworkCountryRelationshipPathsVantage pts
AS2519ARTERIA Networks CorporationJPPeer14488
AS17676SoftBank Corp.JPPeer4629
AS6939Hurricane Electric LLCUSPeer1614
AS18106Viewqwest Pte LtdSGPeer64
AS9002RETN LimitedGBPeer32
AS49544i3D.net B.VNLPeer21
AS7713PT Telkom Indonesia TbkIDPeer22
AS4775Globe TelecomsPHPeer21

Prefixes

The largest blocks AS37919 originates, widest first.

Largest prefixes originated by AS37919
PrefixAddressesVisibility
157.109.0.0/1665.5k80/80
157.109.160.0/221k80/80
2001:df4:53c0::/4865.5k × /6461/62

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