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AS10021 · JP · APNIC
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1
Upstream providers
9
Downstream customers
111k
v4 addresses
1
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence
COLT
AS8220
 2024-09-01
1y 8mo
 2026-05-09
110 peers
AS209 AS260 AS701 AS999 AS1299 AS3257 AS5580 AS6424 AS6762 AS7018 AS7594 AS7768 AS8582 AS12956 AS14840 AS16260 AS17350 AS22652 AS27678 AS27986 AS30950 AS31510 AS31554 AS34428 AS35426 AS39122 AS41073 AS47957 AS49544 AS49605 AS52468 AS52873 AS57630 AS64112 AS136557 AS148968 AS150369 AS199524 AS206271 AS209718 AS212271 AS216285 AS262462 AS263009 AS265721 AS266213 AS271253 AS398465

Customers (9)

Customer Country First Seen Last Seen IPs Peers Confidence
AS10780
AS10780
 US 2024-09-01
1y 8mo
 2026-05-09 256
82 peers
AS174 AS209 AS835 AS999 AS3257 AS3320 AS3549 AS5392 AS6424 AS6762 AS7018 AS7594 AS8582 AS12956 AS13781 AS13830 AS14041 AS14840 AS15397 AS15605 AS16260 AS20932 AS21700 AS22652 AS23367 AS27986 AS28329 AS28917 AS29504 AS30950 AS31510 AS33185 AS34428 AS34927 AS35426 AS35710 AS39122 AS41073 AS42541 AS43733 AS49544 AS49605 AS51185 AS52468 AS52873 AS55222 AS56457 AS57630 AS57821 AS61138 AS61573 AS62167 AS64112 AS64475 AS150369 AS151704 AS198150 AS199524 AS200612 AS216285 AS262462 AS263009 AS263541 AS265721 AS266213 AS271253 AS327960 AS328840
SERVCORP
AS17978
 AU 2024-09-01
1y 8mo
 2026-05-09 3.1k
93 peers
AS174 AS209 AS835 AS924 AS999 AS1299 AS3257 AS3320 AS3549 AS5392 AS6424 AS6461 AS6762 AS7018 AS7594 AS8582 AS8888 AS12956 AS12969 AS13781 AS13830 AS14041 AS14840 AS15397 AS15605 AS16260 AS19529 AS19754 AS20932 AS21700 AS22652 AS23367 AS27986 AS28329 AS28824 AS28917 AS29504 AS30950 AS31510 AS33185 AS34428 AS34927 AS35426 AS35710 AS39122 AS40864 AS41073 AS42541 AS43733 AS49544 AS49605 AS50304 AS51185 AS52468 AS52873 AS55222 AS56457 AS57630 AS57821 AS61138 AS61573 AS62167 AS64112 AS64475 AS150369 AS151704 AS198150 AS199524 AS200612 AS210937 AS216285 AS262462 AS263009 AS263541 AS265721 AS266213 AS271253 AS327960 AS328840 AS398465
FFASTFILL-NET-AU
AS24507
 AU 2024-09-01
1y 8mo
 2026-05-09 6.1k
89 peers
AS174 AS209 AS835 AS924 AS999 AS1299 AS3257 AS3320 AS3549 AS5392 AS6424 AS6461 AS6762 AS7018 AS7594 AS8582 AS8888 AS12956 AS12969 AS13781 AS13830 AS14041 AS14840 AS15397 AS15605 AS16260 AS19529 AS19754 AS20932 AS21700 AS22652 AS23367 AS27986 AS28329 AS28824 AS28917 AS29504 AS30950 AS31510 AS33185 AS34428 AS34927 AS35426 AS35710 AS39122 AS40864 AS41073 AS42541 AS43733 AS49544 AS49605 AS50304 AS51185 AS52468 AS52873 AS55222 AS56457 AS57630 AS57821 AS61138 AS61573 AS62167 AS64112 AS64475 AS150369 AS151704 AS198150 AS198385 AS199524 AS200612 AS210937 AS216285 AS262462 AS263009 AS263541 AS265721 AS266213 AS271253 AS327960 AS328840 AS398465
AS55894
AS55894
 JP 2024-09-01
1y 8mo
 2026-05-09 1k
89 peers
AS174 AS209 AS835 AS924 AS999 AS1299 AS3257 AS3320 AS3549 AS5392 AS6424 AS6461 AS6762 AS7018 AS7594 AS8582 AS8888 AS12956 AS12969 AS13781 AS13830 AS14041 AS14840 AS15397 AS15605 AS16260 AS19529 AS19754 AS20932 AS21700 AS22652 AS23367 AS27986 AS28329 AS28824 AS28917 AS29504 AS30950 AS31510 AS33185 AS34428 AS34927 AS35426 AS35710 AS39122 AS40864 AS41073 AS42541 AS43733 AS49544 AS49605 AS50304 AS51185 AS52468 AS52873 AS55222 AS56457 AS57630 AS57821 AS61138 AS61573 AS62167 AS64112 AS64475 AS150369 AS151704 AS198150 AS198385 AS199524 AS200612 AS210937 AS216285 AS262462 AS263009 AS263541 AS265721 AS266213 AS271253 AS327960 AS328840 AS398465
AS131901
AS131901
 JP 2024-09-01
1y 8mo
 2026-05-09 1.5k
89 peers
AS174 AS209 AS835 AS924 AS999 AS1299 AS3257 AS3320 AS3549 AS5392 AS6424 AS6461 AS6762 AS7018 AS7594 AS8582 AS8888 AS12956 AS12969 AS13781 AS13830 AS14041 AS14840 AS15397 AS15605 AS16260 AS19529 AS19754 AS20932 AS21700 AS22652 AS23367 AS27986 AS28329 AS28824 AS28917 AS29504 AS30950 AS31510 AS33185 AS34428 AS34927 AS35426 AS35710 AS39122 AS40864 AS41073 AS42541 AS43733 AS49544 AS49605 AS50304 AS51185 AS52468 AS52873 AS55222 AS56457 AS57630 AS57821 AS61138 AS61573 AS62167 AS64112 AS64475 AS150369 AS151704 AS198150 AS198385 AS199524 AS200612 AS209650 AS210937 AS216285 AS262462 AS263009 AS263541 AS265721 AS266213 AS271253 AS327960 AS328840 AS398465
NSPL-AS-AP
AS137269
 SG 2024-09-01
1y 8mo
 2026-05-09 256
73 peers
AS2914 AS12637 AS15562
CMJK-AS-AP
AS139472
 JP 2024-09-01
1y 8mo
 2026-05-09 256
81 peers
AS174 AS835 AS924 AS999 AS1299 AS3257 AS3320 AS6424 AS6461 AS6762 AS7018 AS8582 AS8888 AS12956 AS12969 AS13830 AS14041 AS14840 AS15397 AS15605 AS16260 AS19529 AS19754 AS20932 AS21700 AS22652 AS23367 AS27986 AS28824 AS28917 AS29504 AS30950 AS31510 AS33185 AS34428 AS34927 AS35426 AS35710 AS39122 AS40864 AS41073 AS42541 AS43733 AS49605 AS50304 AS51185 AS52468 AS52873 AS55222 AS56457 AS57630 AS57821 AS61138 AS61573 AS62167 AS64112 AS64475 AS150369 AS151704 AS199524 AS200612 AS210937 AS216285 AS263009 AS265721 AS327960 AS328840 AS398465
AS17088
AS17088
 US 2024-11-05
1y 6mo
 2026-05-09 1.3k
64 peers
AS16260 AS132847
GATEWAY-AS-AP
AS132827
 JP 2025-08-14
8mo
 2026-05-09 26k
103 peers
AS174 AS209 AS835 AS924 AS999 AS1299 AS3257 AS3320 AS3549 AS5392 AS6424 AS6461 AS6762 AS7018 AS7594 AS8582 AS8888 AS12956 AS12969 AS13781 AS13830 AS14041 AS14840 AS15397 AS15605 AS16260 AS19529 AS19754 AS20932 AS21700 AS22652 AS23367 AS27986 AS28329 AS28824 AS28917 AS29504 AS30950 AS31510 AS33185 AS34428 AS34927 AS35426 AS35710 AS39122 AS40864 AS41073 AS42541 AS43733 AS49544 AS49605 AS50304 AS51185 AS52468 AS52873 AS55222 AS56457 AS57630 AS57821 AS61138 AS61573 AS62167 AS64112 AS64475 AS150369 AS151704 AS198150 AS199524 AS200612 AS210937 AS216285 AS262462 AS263009 AS263541 AS265721 AS266213 AS271253 AS327960 AS328840 AS398465

Network Size

IPv4 and IPv6 prefixes originated over time

45
v4 prefixes
111k
v4 addresses
5
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

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching
2026-03-29
Lost Transit
DRESDNERHK-AP AS10108 → lost provider AS10021 AS10021
Confidence: 85% Duration: 573d
⇄
2026-02-13
New Transit
DRESDNERHK-AP AS10108 → added provider AS10021 AS10021
Confidence: 90%
⇄
2026-02-04
New Transit
GATEWAY-AS-AP AS132827 → added provider AS10021 AS10021
Confidence: 90%
⇄
2026-01-29
Lost Transit
DRESDNERHK-AP AS10108 → lost provider AS10021 AS10021
Confidence: 85% Duration: 514d
⇄
2026-01-19
Lost Transit
AS10780 AS10780 → lost provider AS10021 AS10021
Confidence: 85% Duration: 504d
⇄
2025-10-29
Possible Trial
AS37893 AS37893 → possible trial with AS10021 AS10021
Confidence: 60%
⇄
2025-10-22
Possible Trial
GATEWAY-AS-AP AS132827 → possible trial with AS10021 AS10021
Confidence: 60% Duration: 29d
⇄
2025-10-05
Lost Transit
AS37893 AS37893 → lost provider AS10021 AS10021
Confidence: 85% Duration: 15d
⇄
2025-09-20
New Transit
AS37893 AS37893 → added provider AS10021 AS10021
Confidence: 90%
⇄
2025-09-13
Lost Transit
GATEWAY-AS-AP AS132827 → lost provider AS10021 AS10021
Confidence: 85% Duration: 29d
⇄
2025-07-31
Lost Transit
AS131936 AS131936 → lost provider AS10021 AS10021
Confidence: 85% Duration: 332d
⇄
2025-06-10
Possible Trial
AS131903 AS131903 → possible trial with AS10021 AS10021
Confidence: 60%
⇄
2025-05-02
Lost Transit
AS131903 AS131903 → lost provider AS10021 AS10021
Confidence: 85%
⇄
2024-11-16
Possible Trial
XPEDITE-AS-JP AS23761 → possible trial with AS10021 AS10021
Confidence: 60% Duration: 36d
⇄
2024-11-10
Lost Transit
XPEDITE-AS-JP AS23761 → lost provider AS10021 AS10021
Confidence: 85% Duration: 69d
⇄
2024-11-06
New Transit
AS17088 AS17088 → added provider AS10021 AS10021
Confidence: 90%
⇄
2024-09-02
New Transit
CMJK-AS-AP AS139472 → added provider AS10021 AS10021
Confidence: 90%
⇄
2024-09-02
New Transit
NSPL-AS-AP AS137269 → added provider AS10021 AS10021
Confidence: 90%
⇄
2024-09-02
New Transit
AS131936 AS131936 → added provider AS10021 AS10021
Confidence: 90%
⇄
2024-09-02
New Transit
AS131901 AS131901 → added provider AS10021 AS10021
Confidence: 90%
⇄
2024-09-02
New Transit
AS55894 AS55894 → added provider AS10021 AS10021
Confidence: 90%
⇄
2024-09-02
New Transit
FFASTFILL-NET-AU AS24507 → added provider AS10021 AS10021
Confidence: 90%
⇄
2024-09-02
New Transit
XPEDITE-AS-JP AS23761 → added provider AS10021 AS10021
Confidence: 90%
⇄
2024-09-02
New Transit
SERVCORP AS17978 → added provider AS10021 AS10021
Confidence: 90%
⇄
2024-09-02
New Transit
AS10780 AS10780 → added provider AS10021 AS10021
Confidence: 90%
⇄
2024-09-02
New Transit
DRESDNERHK-AP AS10108 → added provider AS10021 AS10021
Confidence: 90%
⇄
2024-09-02
New Transit
AS10021 AS10021 → added provider COLT AS8220
Confidence: 90%
⇄

Renewal Calendar

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

This data is available to subscribers.

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