AS-QUANTCAST

AS27281 · 795 Folsom Street · US · ARIN
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5
Upstream providers
0
Downstream customers
2.8k
v4 addresses
<0.1
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence
AS3356
AS3356
 2025-01-01
1y 3mo
 2026-04-23
167 peers
AS209 AS260 AS513 AS553 AS701 AS852 AS917 AS999 AS1031 AS1103 AS1140 AS1213 AS1257 AS1273 AS1299 AS1351 AS1828 AS2500 AS2914 AS3130 AS3257 AS3333 AS3399 AS3491 AS4128 AS4181 AS4775 AS5394 AS5580 AS6082 AS6204 AS6424 AS6453 AS6461 AS6730 AS6762 AS6830 AS6894 AS7018 AS7768 AS8218 AS8220 AS8283 AS8426 AS8582 AS8888 AS12637 AS12779 AS12859 AS12956 AS13030 AS14315 AS14537 AS14907 AS15562 AS15605 AS15692 AS16260 AS16276 AS16552 AS17350 AS17660 AS19151 AS19529 AS20811 AS21700 AS22652 AS23367 AS24482 AS24516 AS25160 AS27678 AS28398 AS29680 AS31122 AS31510 AS31742 AS32590 AS33874 AS34288 AS34549 AS34927 AS35008 AS35266 AS35280 AS35426 AS36924 AS37497 AS38001 AS39122 AS39351 AS40994 AS41073 AS42473 AS44901 AS45049 AS45437 AS45489 AS47147 AS48070 AS48112 AS48362 AS49028 AS49432 AS49544 AS49605 AS49788 AS50304 AS50673 AS50877 AS51185 AS51873 AS52075 AS52320 AS52468 AS52873 AS53828 AS56457 AS56987 AS57111 AS57630 AS57695 AS58511 AS59238 AS61573 AS63927 AS63956 AS64112 AS132337 AS133210 AS136557 AS137409 AS138685 AS150369 AS151704 AS197580 AS198249 AS199524 AS199938 AS202365 AS206271 AS209650 AS209718 AS210937 AS212271 AS215230 AS216285 AS263009 AS265721 AS271253 AS272403 AS327960 AS328206 AS328840 AS328964 AS398465
AS6461
AS6461
 2025-01-01
1y 3mo
 2026-04-23
155 peers
AS209 AS701 AS1299 AS2500 AS2914 AS3257 AS3320 AS3491 AS4128 AS6453 AS6830 AS7018 AS8220 AS12637 AS12956 AS14315 AS14537 AS15562 AS15692 AS16276 AS16552 AS17350 AS17660 AS30950 AS32590 AS35266 AS49544 AS52468 AS199524 AS266213 AS271253 AS328840
AS174
AS174
 2025-01-01
1y 3mo
 2026-04-23
149 peers
AS209 AS260 AS999 AS1031 AS1103 AS1273 AS1299 AS3257 AS3399 AS3491 AS4775 AS5394 AS5580 AS6730 AS6762 AS6830 AS8220 AS8582 AS12956 AS16260 AS16276 AS16552 AS17350 AS20811 AS31554 AS35280 AS37497 AS38001 AS45049 AS47957 AS48112 AS48362 AS49028 AS49432 AS49544 AS49605 AS50628 AS51185 AS52873 AS58511 AS138685 AS148968 AS151704 AS197580 AS199524 AS206271 AS216285 AS271253 AS328206 AS398465
COLT
AS8220
 2025-01-23
1y 3mo
 2026-04-23
43 peers
AS209 AS701 AS999 AS1273 AS1351 AS2914 AS3130 AS3320 AS3491 AS4775 AS6082 AS6424 AS6762 AS7018 AS12956 AS15562 AS24516 AS27678 AS29680 AS31510 AS37497 AS48112 AS49605 AS52873 AS64112 AS64475 AS136557 AS199524 AS206271 AS212271 AS216285 AS271253 AS328206
ENET-AS
AS207044
 2025-08-06
8mo
 2026-04-23
5 peers
AS260 AS5580 AS8582 AS16260

Customers (0)

No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

11
v4 prefixes
2.8k
v4 addresses
8
v6 prefixes
<0.1
v6 /32s

Unclassified Peers Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching
2026-04-09
New Transit
AS-QUANTCAST AS27281 → added provider COLT AS8220
Confidence: 90%
⇄
2026-04-09
New Transit
AS-QUANTCAST AS27281 → added provider ENET-AS AS207044
Confidence: 90%
⇄
2026-04-03
Lost Transit
AS-QUANTCAST AS27281 → dropped provider COLT AS8220
Confidence: 85% Duration: 434d
⇄
2026-04-03
Lost Transit
AS-QUANTCAST AS27281 → dropped provider ENET-AS AS207044
Confidence: 85% Duration: 239d
⇄
2026-03-20
Lost Transit
AS-QUANTCAST AS27281 → dropped provider COLT AS8220
Confidence: 85% Duration: 420d
⇄
2026-03-20
Lost Transit
AS-QUANTCAST AS27281 → dropped provider ENET-AS AS207044
Confidence: 85% Duration: 225d
⇄
2026-03-06
Lost Transit
AS-QUANTCAST AS27281 → dropped provider COLT AS8220
Confidence: 85% Duration: 406d
⇄
2026-03-06
Lost Transit
AS-QUANTCAST AS27281 → dropped provider ENET-AS AS207044
Confidence: 85% Duration: 211d
⇄
2026-02-27
Lost Transit
AS-QUANTCAST AS27281 → dropped provider ENET-AS AS207044
Confidence: 85% Duration: 204d
⇄
2026-02-27
Lost Transit
AS-QUANTCAST AS27281 → dropped provider COLT AS8220
Confidence: 85% Duration: 399d
⇄
2026-02-20
Lost Transit
AS-QUANTCAST AS27281 → dropped provider COLT AS8220
Confidence: 85% Duration: 392d
⇄
2026-02-20
Lost Transit
AS-QUANTCAST AS27281 → dropped provider ENET-AS AS207044
Confidence: 85% Duration: 197d
⇄
2026-02-13
Lost Transit
AS-QUANTCAST AS27281 → dropped provider COLT AS8220
Confidence: 85% Duration: 385d
⇄
2026-02-13
Lost Transit
AS-QUANTCAST AS27281 → dropped provider ENET-AS AS207044
Confidence: 85% Duration: 190d
⇄
2026-02-06
Lost Transit
AS-QUANTCAST AS27281 → dropped provider COLT AS8220
Confidence: 85% Duration: 378d
⇄
2026-02-06
Lost Transit
AS-QUANTCAST AS27281 → dropped provider ENET-AS AS207044
Confidence: 85% Duration: 183d
⇄
2026-01-23
Lost Transit
AS-QUANTCAST AS27281 → dropped provider COLT AS8220
Confidence: 85% Duration: 364d
⇄
2026-01-23
Lost Transit
AS-QUANTCAST AS27281 → dropped provider ENET-AS AS207044
Confidence: 85% Duration: 169d
⇄
2026-01-09
Lost Transit
AS-QUANTCAST AS27281 → dropped provider COLT AS8220
Confidence: 85% Duration: 350d
⇄
2026-01-09
Lost Transit
AS-QUANTCAST AS27281 → dropped provider ENET-AS AS207044
Confidence: 85% Duration: 155d
⇄
2025-12-12
Lost Transit
AS-QUANTCAST AS27281 → dropped provider COLT AS8220
Confidence: 85% Duration: 322d
⇄
2025-12-12
Lost Transit
AS-QUANTCAST AS27281 → dropped provider ENET-AS AS207044
Confidence: 85% Duration: 127d
⇄
2025-10-31
Lost Transit
AS-QUANTCAST AS27281 → dropped provider ENET-AS AS207044
Confidence: 85% Duration: 85d
⇄
2025-10-31
Lost Transit
AS-QUANTCAST AS27281 → dropped provider COLT AS8220
Confidence: 85% Duration: 280d
⇄
2025-09-19
Lost Transit
AS-QUANTCAST AS27281 → dropped provider COLT AS8220
Confidence: 85% Duration: 238d
⇄
2025-09-19
Lost Transit
AS-QUANTCAST AS27281 → dropped provider ENET-AS AS207044
Confidence: 85% Duration: 43d
⇄
2025-08-27
New Transit
AS-QUANTCAST AS27281 → added provider ENET-AS AS207044
Confidence: 90%
⇄
2025-08-27
New Transit
AS-QUANTCAST AS27281 → added provider COLT AS8220
Confidence: 90%
⇄
2025-08-14
Lost Transit
AS-QUANTCAST AS27281 → dropped provider COLT AS8220
Confidence: 85% Duration: 202d
⇄
2025-08-14
Lost Transit
AS-QUANTCAST AS27281 → dropped provider ENET-AS AS207044
Confidence: 85% Duration: 7d
⇄
2025-08-07
New Transit
AS-QUANTCAST AS27281 → added provider ENET-AS AS207044
Confidence: 90%
⇄
2025-08-02
Lost Transit
AS-QUANTCAST AS27281 → dropped provider COLT AS8220
Confidence: 85% Duration: 190d
⇄
2025-07-18
Lost Transit
AS-QUANTCAST AS27281 → dropped provider COLT AS8220
Confidence: 85% Duration: 175d
⇄
2025-07-12
Lost Transit
AS-QUANTCAST AS27281 → dropped provider COLT AS8220
Confidence: 85% Duration: 169d
⇄
2025-04-02
New Transit
AS-QUANTCAST AS27281 → added provider COLT AS8220
Confidence: 90%
⇄
2025-04-02
New Transit
AS-QUANTCAST AS27281 → added provider AS6461 AS6461
Confidence: 90%
⇄
2025-04-02
New Transit
AS-QUANTCAST AS27281 → added provider AS3356 AS3356
Confidence: 90%
⇄
2025-04-02
New Transit
AS-QUANTCAST AS27281 → added provider AS174 AS174
Confidence: 90%
⇄
2025-01-24
New Transit
AS-QUANTCAST AS27281 → added provider COLT AS8220
Confidence: 90%
⇄
2025-01-02
New Transit
AS-QUANTCAST AS27281 → added provider AS6461 AS6461
Confidence: 90%
⇄
2025-01-02
New Transit
AS-QUANTCAST AS27281 → added provider AS3356 AS3356
Confidence: 90%
⇄
2025-01-02
New Transit
AS-QUANTCAST AS27281 → added provider AS174 AS174
Confidence: 90%
⇄

Renewal Calendar

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

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