AS39963 · PR · ARIN
2
Upstream providers
0
Downstream customers
3.3k
v4 addresses
0
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence
AS21559
AS21559
2024-11-01
1y 6mo
2026-05-01
53 peers
AS209 AS260 AS1299 AS2914 AS3214 AS3257 AS3320 AS3491 AS3549 AS5580 AS6453 AS6461 AS6830 AS7018 AS7768 AS8582 AS15562 AS15692 AS16260 AS16276 AS17660 AS31554 AS40864 AS47147 AS48237 AS57866 AS132884 AS151704 AS398465
AS23550
AS23550
2024-11-01
1y 6mo
2026-05-01
140 peers
AS209 AS293 AS999 AS1031 AS2152 AS2500 AS2734 AS2914 AS3214 AS3257 AS3320 AS3399 AS3491 AS3549 AS4128 AS4641 AS4775 AS5392 AS5580 AS6453 AS6461 AS6730 AS6830 AS7018 AS8218 AS8220 AS8426 AS8582 AS11039 AS12350 AS12637 AS12956 AS14315 AS14907 AS15562 AS16276 AS16552 AS17350 AS17660 AS23673 AS24482 AS25152 AS29140 AS30950 AS34177 AS34927 AS35280 AS35710 AS37697 AS38001 AS40864 AS41095 AS41811 AS45489 AS47692 AS48112 AS49544 AS52468 AS52873 AS53828 AS55720 AS57821 AS61832 AS64475 AS132847 AS132884 AS134823 AS138685 AS142289 AS150369 AS151704 AS199524 AS262462 AS264409 AS266213 AS271253 AS397131 AS398465

Customers (0)

No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

6
v4 prefixes
3.3k
v4 addresses
0
v6 prefixes
0
v6 /32s

Unclassified Peers Over Time

Count of unclassified adjacencies per snapshot date

2024-11-02
New Transit
AS39963 AS39963 → added provider AS23550 AS23550
Confidence: 90%
2024-11-02
New Transit
AS39963 AS39963 → added provider AS21559 AS21559
Confidence: 90%

Renewal Calendar

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

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