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AS27500 · US · ARIN
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2
Upstream providers
0
Downstream customers
2k
v4 addresses
<0.1
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Customers (0)

Addr family: All IPv4 IPv6
No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

1
v4 prefixes
2k
v4 addresses
1
v6 prefixes
<0.1
v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching
2026-05-31
New Transit
AS27500 AS27500 → added provider Telefonica_de_EspaNa AS3352
Confidence: 90%
⇄
2026-05-30
Lost Transit
AS27500 AS27500 → lost provider AS40528 AS40528
Confidence: 85% Duration: 635d
⇄
2026-05-30
Lost Transit
AS27500 AS27500 → lost provider WilineNetworks AS33544
Confidence: 85% Duration: 635d
⇄
2026-05-27
New Transit
AS27500 AS27500 → added provider COMUNITEL AS12357
Confidence: 90%
⇄
2026-04-08
Possible Trial
AS27500 AS27500 → possible trial with TATACOMM-AS AS4755
Confidence: 60%
⇄
2026-03-25
New Transit
AS27500 AS27500 → added provider WilineNetworks AS33544
Confidence: 90%
⇄
2026-03-25
New Transit
AS27500 AS27500 → added provider AS40528 AS40528
Confidence: 90%
⇄
2026-03-13
Lost Transit
AS27500 AS27500 → lost provider TATACOMM-AS AS4755
Confidence: 85% Duration: 13d
⇄
2026-02-28
New Transit
AS27500 AS27500 → added provider TATACOMM-AS AS4755
Confidence: 90%
⇄
2026-02-27
Lost Transit
AS27500 AS27500 → lost provider AS40528 AS40528
Confidence: 85% Duration: 543d
⇄
2026-02-27
Lost Transit
AS27500 AS27500 → lost provider WilineNetworks AS33544
Confidence: 85% Duration: 543d
⇄
2025-11-27
Possible Trial
AS27500 AS27500 → possible trial with HEANET AS1213
Confidence: 60%
⇄
2025-11-20
Possible Trial
AS27500 AS27500 → possible trial with EIRCOM AS5466
Confidence: 60%
⇄
2025-11-12
New Transit
AS27500 AS27500 → added provider WilineNetworks AS33544
Confidence: 90%
⇄
2025-11-12
New Transit
AS27500 AS27500 → added provider AS40528 AS40528
Confidence: 90%
⇄
2025-10-31
Lost Transit
AS27500 AS27500 → lost provider EIRCOM AS5466
Confidence: 85% Duration: 19d
⇄
2025-10-31
Lost Transit
AS27500 AS27500 → lost provider HEANET AS1213
Confidence: 85% Duration: 12d
⇄
2025-10-19
New Transit
AS27500 AS27500 → added provider HEANET AS1213
Confidence: 90%
⇄
2025-10-12
New Transit
AS27500 AS27500 → added provider EIRCOM AS5466
Confidence: 90%
⇄
2025-10-11
Lost Transit
AS27500 AS27500 → lost provider AS40528 AS40528
Confidence: 85% Duration: 404d
⇄
2025-10-11
Lost Transit
AS27500 AS27500 → lost provider WilineNetworks AS33544
Confidence: 85% Duration: 404d
⇄
2025-07-10
Possible Trial
AS27500 AS27500 → possible trial with O2-CZECH-REPUBLIC AS5610
Confidence: 60%
⇄
2025-07-10
Possible Trial
AS27500 AS27500 → possible trial with SK-TELEKOM AS6855
Confidence: 60%
⇄
2025-07-10
Possible Trial
AS27500 AS27500 → possible trial with QUANTCOM-AS AS29208
Confidence: 60%
⇄
2025-06-19
New Transit
AS27500 AS27500 → added provider AS40528 AS40528
Confidence: 90%
⇄
2025-06-19
New Transit
AS27500 AS27500 → added provider WilineNetworks AS33544
Confidence: 90%
⇄
2025-06-13
Lost Transit
AS27500 AS27500 → lost provider O2-CZECH-REPUBLIC AS5610
Confidence: 85% Duration: 12d
⇄
2025-06-13
Lost Transit
AS27500 AS27500 → lost provider SK-TELEKOM AS6855
Confidence: 85% Duration: 12d
⇄
2025-06-13
Lost Transit
AS27500 AS27500 → lost provider QUANTCOM-AS AS29208
Confidence: 85% Duration: 12d
⇄
2025-06-01
New Transit
AS27500 AS27500 → added provider QUANTCOM-AS AS29208
Confidence: 90%
⇄
2025-06-01
New Transit
AS27500 AS27500 → added provider SK-TELEKOM AS6855
Confidence: 90%
⇄
2025-06-01
New Transit
AS27500 AS27500 → added provider O2-CZECH-REPUBLIC AS5610
Confidence: 90%
⇄
2025-05-31
Lost Transit
AS27500 AS27500 → lost provider AS40528 AS40528
Confidence: 85% Duration: 271d
⇄
2025-05-31
Lost Transit
AS27500 AS27500 → lost provider WilineNetworks AS33544
Confidence: 85% Duration: 271d
⇄
2025-04-07
New Transit
AS27500 AS27500 → added provider AS40528 AS40528
Confidence: 90%
⇄
2025-04-07
New Transit
AS27500 AS27500 → added provider WilineNetworks AS33544
Confidence: 90%
⇄
2025-04-03
Possible Trial
AS27500 AS27500 → possible trial with AS6461 AS6461
Confidence: 60%
⇄
2025-03-25
Possible Trial
AS27500 AS27500 → possible trial with AS33650 AS33650
Confidence: 60%
⇄
2025-03-21
Lost Transit
AS27500 AS27500 → lost provider AS40528 AS40528
Confidence: 85% Duration: 200d
⇄
2025-03-21
Lost Transit
AS27500 AS27500 → lost provider WilineNetworks AS33544
Confidence: 85% Duration: 200d
⇄
2025-03-19
New Transit
AS27500 AS27500 → added provider WilineNetworks AS33544
Confidence: 90%
⇄
2025-03-19
New Transit
AS27500 AS27500 → added provider AS40528 AS40528
Confidence: 90%
⇄
2025-03-15
Lost Transit
AS27500 AS27500 → lost provider AS6461 AS6461
Confidence: 85% Duration: 20d
⇄
2025-02-23
New Transit
AS27500 AS27500 → added provider AS6461 AS6461
Confidence: 90%
⇄
2025-02-22
Lost Transit
AS27500 AS27500 → lost provider AS33650 AS33650
Confidence: 85% Duration: 8d
⇄
2025-02-14
New Transit
AS27500 AS27500 → added provider AS33650 AS33650
Confidence: 90%
⇄
2025-02-13
Lost Transit
AS27500 AS27500 → lost provider AS40528 AS40528
Confidence: 85% Duration: 164d
⇄
2025-02-13
Lost Transit
AS27500 AS27500 → lost provider WilineNetworks AS33544
Confidence: 85% Duration: 164d
⇄
2024-12-18
Possible Trial
AS27500 AS27500 → possible trial with TELLCOM-AS AS34984
Confidence: 60% Duration: 1d
⇄
2024-12-05
Possible Trial
AS27500 AS27500 → possible trial with TTNet AS9121
Confidence: 60%
⇄
2024-11-17
New Transit
AS27500 AS27500 → added provider AS40528 AS40528
Confidence: 90%
⇄
2024-11-17
New Transit
AS27500 AS27500 → added provider WilineNetworks AS33544
Confidence: 90%
⇄
2024-11-15
Lost Transit
AS27500 AS27500 → lost provider TELLCOM-AS AS34984
Confidence: 85% Duration: 7d
⇄
2024-11-15
Lost Transit
AS27500 AS27500 → lost provider TTNet AS9121
Confidence: 85% Duration: 19d
⇄
2024-11-09
New Transit
AS27500 AS27500 → added provider TELLCOM-AS AS34984
Confidence: 90%
⇄
2024-11-01
Possible Trial
AS27500 AS27500 → possible trial with WilineNetworks AS33544
Confidence: 60% Duration: 21d
⇄
2024-10-28
Possible Trial
AS27500 AS27500 → possible trial with AS40528 AS40528
Confidence: 60% Duration: 17d
⇄
2024-10-27
New Transit
AS27500 AS27500 → added provider TTNet AS9121
Confidence: 90%
⇄
2024-10-26
Lost Transit
AS27500 AS27500 → lost provider WilineNetworks AS33544
Confidence: 85% Duration: 54d
⇄
2024-10-22
Lost Transit
AS27500 AS27500 → lost provider AS40528 AS40528
Confidence: 85% Duration: 50d
⇄
2024-09-02
New Transit
AS27500 AS27500 → added provider AS40528 AS40528
Confidence: 90%
⇄
2024-09-02
New Transit
AS27500 AS27500 → added provider WilineNetworks AS33544
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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