AS7521 · JP · APNIC
1
Upstream providers
4
Downstream customers
4.9k
v4 addresses
1
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence AF
AS55391
AS55391
2024-09-01
1y 8mo
2026-05-14
96 peers
AS209 AS701 AS999 AS3257 AS3320 AS3491 AS3549 AS5580 AS6453 AS6461 AS6762 AS6830 AS7018 AS7768 AS8298 AS8529 AS8582 AS12956 AS16276 AS17350 AS22296 AS24961 AS25091 AS27678 AS27986 AS29222 AS31554 AS32590 AS35710 AS47147 AS49544 AS49605 AS51185 AS51873 AS52075 AS52468 AS52873 AS53062 AS57777 AS57821 AS199524 AS212317 AS216285 AS262462 AS263009 AS271253 AS328964 AS398465
v4 v6

Customers (4)

Customer Country First Seen Last Seen IPs Peers Confidence AF
AS4697
AS4697
JP 2024-09-01
1y 8mo
2026-05-14 3.3k
90 peers
AS209 AS999 AS3549 AS6762 AS12956 AS27986 AS32590 AS49605 AS51185 AS52075 AS52468 AS199524 AS216285
v4 v6
AS38644
AS38644
JP 2024-09-01
1y 8mo
2026-05-14 256
74 peers
AS209 AS3549 AS6762 AS12956 AS27986 AS32590 AS49605 AS51185 AS52075 AS52468 AS199524 AS216285
v4 v6
AS131079
AS131079
JP 2024-09-01
1y 8mo
2026-05-14 256
74 peers
AS209 AS999 AS3257 AS3320 AS3491 AS5580 AS6453 AS6461 AS6762 AS6830 AS7018 AS7768 AS8298 AS8529 AS8582 AS12956 AS16276 AS17350 AS22296 AS24961 AS25091 AS27678 AS27986 AS29222 AS31554 AS32590 AS35710 AS47147 AS49544 AS49605 AS51185 AS51873 AS52468 AS52873 AS53062 AS57777 AS199524 AS212317 AS262462 AS263009 AS271253 AS328964 AS398465
v4 v6
FLETS
AS63802
JP 2026-04-21
24d
2026-05-14 3.8k
12 peers
AS209 AS999 AS3549 AS6762 AS12956 AS27986 AS49605 AS51185 AS52075 AS52468 AS199524 AS216285
v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

8
v4 prefixes
4.9k
v4 addresses
1
v6 prefixes
1
v6 /32s

Downstream Customers Over Time

Count of distinct downstream customers per snapshot date

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

No events found.

Renewal Calendar

Active providers first seen 11–13 months ago — possible annual contract renewals

This data is available to subscribers.

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