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USNH-PLYM-1

AS27405 · Plymouth peering · US · ARIN
Export CSV
1
Upstream providers
3
Downstream customers
66k
v4 addresses
0
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Addr family: All IPv4 IPv6
Provider First Seen Last Seen Peers Confidence AF
GTT-BACKBONE
AS3257
 2024-09-01
1y 8mo
 2026-05-14
263 peers
AS260 AS1031 AS2914 AS3257 AS3320 AS3491 AS4128 AS4641 AS4775 AS5392 AS5413 AS5580 AS6453 AS6762 AS6830 AS7768 AS8218 AS8220 AS8529 AS8582 AS12350 AS12956 AS13781 AS14315 AS14630 AS15562 AS16276 AS16347 AS17350 AS20080 AS23673 AS24482 AS25152 AS27986 AS28329 AS30950 AS31027 AS32590 AS34177 AS34927 AS35280 AS35710 AS36924 AS39642 AS40864 AS41095 AS41811 AS45049 AS47147 AS47692 AS48112 AS48185 AS48237 AS49434 AS49544 AS49605 AS50628 AS51185 AS52075 AS52468 AS53062 AS57866 AS60924 AS64475 AS138685 AS142271 AS142289 AS150369 AS151704 AS199524 AS204092 AS263009 AS263152 AS263541 AS264409 AS266213 AS267613 AS397131 AS398465
v4 v6

Customers (3)

Addr family: All IPv4 IPv6
Customer Country First Seen Last Seen IPs Peers Confidence AF
USNH-UNH-1
AS11745
 US 2024-09-01
1y 8mo
 2026-05-14 74k
257 peers
AS260 AS3257 AS5580 AS8582
v4 v6
USNH-KSC-1
AS29917
 US 2024-09-01
1y 8mo
 2026-05-14 66k
51 peers
AS260 AS3257 AS5580 AS8582
v4 v6
AS394961
AS394961
 US 2024-09-01
1y 8mo
 2026-05-14 256
259 peers
AS260 AS1031 AS2914 AS3257 AS3320 AS3491 AS4128 AS4641 AS4775 AS5392 AS5413 AS5580 AS6453 AS6762 AS6830 AS7768 AS8218 AS8220 AS8529 AS8582 AS12350 AS12956 AS13781 AS14315 AS14630 AS15562 AS16276 AS16347 AS17350 AS20080 AS23673 AS24482 AS25152 AS27986 AS28329 AS30950 AS31027 AS32590 AS34177 AS34927 AS35280 AS35710 AS36924 AS39642 AS40864 AS41095 AS41811 AS45049 AS47147 AS47692 AS48112 AS48185 AS48237 AS49434 AS49544 AS49605 AS50628 AS51185 AS52075 AS52468 AS53062 AS57866 AS60924 AS64475 AS138685 AS142271 AS142289 AS150369 AS151704 AS199524 AS204092 AS263009 AS263152 AS263541 AS264409 AS266213 AS267613 AS397131 AS398465
v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

1
v4 prefixes
66k
v4 addresses
0
v6 prefixes
0
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
2025-11-14
Lost Transit
USNH-PLYM-1 AS27405 → lost provider USNH-UNH-1 AS11745
Confidence: 85% Duration: 419d
⇄
2025-10-17
Lost Transit
USNH-PLYM-1 AS27405 → lost provider USNH-UNH-1 AS11745
Confidence: 85% Duration: 391d
⇄
2025-10-14
Lost Transit
AS394961 AS394961 → lost provider USNH-PLYM-1 AS27405
Confidence: 85% Duration: 407d
⇄
2025-10-14
Lost Transit
USNH-KSC-1 AS29917 → lost provider USNH-PLYM-1 AS27405
Confidence: 85% Duration: 407d
⇄
2025-10-14
Lost Transit
USNH-PLYM-1 AS27405 → lost provider GTT-BACKBONE AS3257
Confidence: 85% Duration: 407d
⇄
2025-10-14
Lost Transit
USNH-UNH-1 AS11745 → lost provider USNH-PLYM-1 AS27405
Confidence: 85% Duration: 407d
⇄
2025-10-03
Lost Transit
USNH-PLYM-1 AS27405 → lost provider USNH-UNH-1 AS11745
Confidence: 85% Duration: 377d
⇄
2025-09-09
Lost Transit
USNH-PLYM-1 AS27405 → lost provider USNH-UNH-1 AS11745
Confidence: 85% Duration: 353d
⇄
2025-08-03
Lost Transit
USNH-PLYM-1 AS27405 → lost provider USNH-UNH-1 AS11745
Confidence: 85% Duration: 316d
⇄
2025-03-18
Lost Transit
USNH-PLYM-1 AS27405 → lost provider USNH-UNH-1 AS11745
Confidence: 85% Duration: 178d
⇄
2024-09-21
Lost Transit
USNH-PLYM-1 AS27405 → lost provider USNH-UNH-1 AS11745
Confidence: 85%
⇄

Renewal Calendar

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

This data is available to subscribers.

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