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AS55 · US · ARIN
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2
Upstream providers
2
Downstream customers
262k
v4 addresses
1
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Addr family: All IPv4 IPv6
Provider First Seen Last Seen Peers Confidence AF
AS3356
AS3356
 2024-09-01
1y 8mo
 2026-05-13
163 peers
AS209 AS835 AS924 AS999 AS2914 AS3257 AS3320 AS3491 AS3549 AS4128 AS4641 AS6762 AS7018 AS7768 AS8218 AS8220 AS12859 AS12956 AS13237 AS14315 AS14630 AS14907 AS15562 AS15692 AS16276 AS16552 AS19529 AS20080 AS24482 AS27986 AS28824 AS28917 AS29140 AS32590 AS35266 AS35710 AS45049 AS45489 AS47147 AS47692 AS49544 AS49605 AS50304 AS50877 AS51185 AS52075 AS52468 AS57381 AS57821 AS58511 AS61832 AS64475 AS142289 AS150369 AS199524 AS398465
v4 v6
AS174
AS174
 2024-09-01
1y 8mo
 2026-05-13
72 peers
AS1031 AS1299 AS2914 AS3214 AS3257 AS3399 AS3491 AS5394 AS5580 AS6453 AS6461 AS6730 AS6762 AS6830 AS8218 AS8220 AS8426 AS8582 AS8888 AS12956 AS12969 AS13030 AS13237 AS14907 AS15605 AS16276 AS16552 AS17660 AS19754 AS20514 AS20811 AS23367 AS32590 AS34927 AS36924 AS38001 AS40864 AS42473 AS43733 AS47147 AS48112 AS48362 AS49028 AS49432 AS49434 AS52468 AS53828 AS55720 AS58511 AS63927 AS132884 AS134823 AS138685 AS151704 AS197580 AS199524 AS199938 AS205206 AS210937 AS215230 AS216285 AS271253 AS398465
v4 v6

Customers (2)

Addr family: All IPv4 IPv6
Customer Country First Seen Last Seen IPs Peers Confidence AF
PENN-MEDICINE
AS46274
 US 2024-09-01
1y 8mo
 2026-05-13 512
12 peers
AS209 AS3257 AS3549 AS5580 AS57821
v4 v6
AS69
AS69
 US 2024-09-11
1y 8mo
 2026-05-13 256
162 peers
AS209 AS835 AS924 AS999 AS1031 AS1299 AS2914 AS3214 AS3257 AS3320 AS3399 AS3491 AS3549 AS4128 AS4641 AS5394 AS5580 AS6453 AS6461 AS6730 AS6762 AS6830 AS7018 AS7768 AS8218 AS8220 AS8426 AS8582 AS8888 AS12859 AS12956 AS12969 AS13030 AS13237 AS14315 AS14630 AS14907 AS15562 AS15605 AS15692 AS16276 AS16552 AS17660 AS19529 AS19754 AS20080 AS20514 AS20811 AS23367 AS24482 AS27986 AS28824 AS28917 AS29140 AS32590 AS34927 AS35266 AS35710 AS36924 AS38001 AS40864 AS42473 AS43733 AS45049 AS45489 AS47147 AS47692 AS48112 AS48362 AS49028 AS49432 AS49434 AS49544 AS49605 AS50304 AS50877 AS51185 AS52075 AS52468 AS53828 AS55720 AS57381 AS57821 AS58511 AS61832 AS63927 AS64475 AS132884 AS134823 AS138685 AS142289 AS150369 AS151704 AS197580 AS199524 AS199938 AS205206 AS210937 AS215230 AS216285 AS271253 AS398465
v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

5
v4 prefixes
262k
v4 addresses
1
v6 prefixes
1
v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching
2024-09-12
New Transit
AS69 AS69 → added provider AS55 AS55
Confidence: 90%
⇄
2024-09-02
New Transit
PENN-MEDICINE AS46274 → added provider AS55 AS55
Confidence: 90%
⇄
2024-09-02
New Transit
AS55 AS55 → added provider AS3356 AS3356
Confidence: 90%
⇄
2024-09-02
New Transit
AS55 AS55 → added provider AS174 AS174
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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