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AS7500

M-ROOT-DNS

WIDE Project

Registry

Authoritative registration data

AS number
7500
Name
M-ROOT-DNS
Organisation
WIDE Project
Country
Flag of Japan JP Japan
RIR
APNIC
Registered
Source:asn:rdap retrieved

IPv4 prefixes

4

IPv6 prefixes

1

Total announced

5

Announced prefixes

Observed in BGP by route collectors, not a registry allocation list

Prefixes announced by AS7500
202.12.26.0/23 IPv4 /23 not checked
192.50.45.0/24 IPv4 /24 not checked
202.12.27.0/24 IPv4 /24 not checked
202.13.183.0/24 IPv4 /24 not checked
2001:dc3::/32 IPv6 /32 not checked

No rows match “”.

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Source:ripestat:announced-prefixes observed

Observed adjacencies

Networks seen next to AS7500 in BGP paths by route collectors.

Source:ripestat:asn-neighbours observed

Observed upstreams

46 networks seen before AS7500 in AS paths

Observed upstreams
Families
AS6939 639 1,559
v4 v6
AS3257 104 150
v4 v6
AS2200 42 73
v4 v6
AS2497 34 61
v4 v6
AS3356 28 39
v4 v6
AS2516 26 35
v4
AS34019 7 25
v4 v6
AS6461 4 25
v4 v6
AS3320 7 24
v4 v6
AS22548 8 15
v4 v6
AS35280 4 15
v4 v6
AS9002 3 12
v4 v6
AS9198 8 11
v4
AS4608 5 10
v4 v6
AS6057 4 10
v4 v6
AS8298 4 10
v4 v6
AS13030 4 10
v6
AS34177 4 8
v4 v6
AS39351 4 8
v4 v6
AS29075 3 6
v4 v6
AS9583 1 6
v4 v6
AS6758 2 5
v4 v6
AS50629 2 5
v4 v6
AS60171 2 5
v4 v6
AS2500 2 4
v4 v6
AS4635 2 4
v4
AS50673 2 4
v4 v6
AS58057 2 4
v4 v6
AS29632 3 3
v6
AS2518 2 3
v4 v6
AS6696 2 2
v6
AS10111 2 2
v6
AS398447 2 2
v4
AS37100 1 2
v4
AS37468 1 2
v4
AS38022 1 2
v4 v6
AS6204 1 1
v4
AS7473 1 1
v4
AS12310 1 1
v4
AS20485 1 1
v4
AS33891 1 1
v6
AS61626 1 1
v4
AS134148 1 1
v4
AS137409 1 1
v4
AS205103 1 1
v4
AS209022 1 1
v6

No rows match “”.

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Observed downstreams

2 networks seen after AS7500 in AS paths

Observed downstreams
Families
AS23634 296 628
v4 v6
AS112 3 6
v4

No rows match “”.

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Uncertain adjacencies

70 adjacencies that may be an artefact of collector peering

Uncertain adjacencies
Families
AS24482 2 41
v4 v6
AS8218 2 31
v4 v6
AS12779 2 20
v4 v6
AS25091 2 15
v4 v6
AS49544 2 13
v4 v6
AS14840 1 12
v4 v6
AS50628 2 10
v4 v6
AS51185 2 10
v4 v6
AS48185 1 9
v4 v6
AS25160 2 8
v4 v6
AS8529 2 7
v4 v6
AS14907 1 6
v4 v6
AS62167 1 6
v4 v6
AS212483 1 6
v4 v6
AS1828 2 5
v4 v6
AS2027 2 5
v4 v6
AS16347 2 5
v4 v6
AS34288 2 5
v4 v6
AS35426 2 5
v4 v6
AS35600 2 5
v4 v6
AS36236 2 5
v4 v6
AS41327 2 5
v4 v6
AS44097 2 5
v4 v6
AS49434 2 5
v4 v6
AS56987 2 5
v4 v6
AS209823 2 5
v4 v6
AS15547 1 5
v4 v6
AS199524 1 5
v4 v6
AS58308 2 4
v4 v6
AS28634 1 4
v4
AS271253 1 4
v4
AS13237 2 3
v4
AS37721 2 3
v4
AS1140 1 3
v4 v6
AS3212 1 3
v4 v6
AS3333 1 3
v4 v6
AS18106 1 3
v4 v6
AS20932 1 3
v4 v6
AS34927 1 3
v4 v6
AS41666 1 3
v4 v6
AS42541 1 3
v4 v6
AS52873 1 3
v4 v6
AS58299 1 3
v4 v6
AS59105 1 3
v4 v6
AS60503 1 3
v4 v6
AS61573 1 3
v4 v6
AS64475 1 3
v4 v6
AS204092 1 3
v4 v6
AS205112 1 3
v4 v6
AS263152 1 3
v4 v6
AS263237 1 3
v4 v6
AS264479 1 3
v4 v6
AS35360 2 2
v6
AS36924 2 2
v6
AS4777 1 2
v4
AS23634 1 2
v4 v6
AS31554 1 2
v4 v6
AS33823 1 2
v4 v6
AS48237 1 2
v4
AS56430 1 2
v4 v6
AS262427 1 2
v4
AS1103 1 1
v4
AS3233 1 1
v4
AS13004 1 1
v4
AS28624 1 1
v6
AS29049 1 1
v4
AS35505 1 1
v4
AS44901 1 1
v4
AS45489 1 1
v6
AS55720 1 1
v4

No rows match “”.

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Note:
These are observed adjacencies derived from BGP path data, not confirmed commercial relationships. A network appearing before another in an AS path does not establish that it is a paying transit customer, a settlement free peer, or anything else contractual. Adjacencies marked uncertain were seen only as direct peers of a route collector, so the collector's own peering may have created them.