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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

Current Providers

Addr family: All IPv4 IPv6
Provider First Seen Last Seen Peers Confidence AF
Telefonica_de_EspaNa
AS3352
 2026-05-26
21d
 2026-06-09
251 peers
AS209 AS513 AS553 AS680 AS701 AS852 AS1000 AS1031 AS1103 AS1213 AS1299 AS1351 AS1828 AS2027 AS2119 AS2500 AS2518 AS2914 AS3130 AS3170 AS3320 AS3399 AS3491 AS3701 AS4128 AS5394 AS5413 AS6082 AS6424 AS6453 AS6461 AS6730 AS6762 AS6777 AS6830 AS6908 AS7018 AS7768 AS8220 AS8298 AS8426 AS8455 AS8529 AS8888 AS11845 AS12637 AS12859 AS13781 AS13786 AS14315 AS14537 AS14907 AS15562 AS15605 AS15692 AS15943 AS16276 AS16552 AS17290 AS17350 AS17639 AS17660 AS19151 AS19529 AS20612 AS20764 AS20811 AS21282 AS22652 AS24482 AS24516 AS24940 AS24961 AS25160 AS28329 AS28624 AS28824 AS29222 AS30844 AS30950 AS31027 AS31122 AS31510 AS31554 AS31742 AS32590 AS33874 AS34428 AS34927 AS35266 AS35280 AS35426 AS35600 AS35710 AS36924 AS37053 AS37100 AS37105 AS37468 AS37497 AS38001 AS38008 AS39122 AS39351 AS41073 AS41722 AS42473 AS42541 AS44901 AS45049 AS45437 AS45489 AS46450 AS46997 AS47147 AS48185 AS48362 AS49432 AS49544 AS49605 AS49788 AS50300 AS50304 AS50628 AS50629 AS50673 AS50763 AS51088 AS51185 AS51873 AS52075 AS52468 AS53062 AS53202 AS56457 AS56987 AS57630 AS57777 AS57866 AS58057 AS58511 AS59105 AS59890 AS60924 AS61573 AS63956 AS64112 AS64475 AS133210 AS136557 AS138685 AS142289 AS197580 AS199524 AS199938 AS202365 AS204092 AS206271 AS206356 AS209718 AS210937 AS212271 AS212317 AS212635 AS215230 AS215628 AS216285 AS263009 AS263152 AS263541 AS264409 AS266213 AS267613 AS268976 AS271253 AS272403 AS327804 AS327960 AS328206 AS328840 AS328964 AS328977 AS398465
v4 v6
COMUNITEL
AS12357
 2026-05-26
21d
 2026-06-09
206 peers
AS1299 AS3257 AS4181 AS5580 AS6423 AS6894 AS7594 AS8220 AS12779 AS19754 AS23367 AS40994 AS57821 AS199524
v4 v6

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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