Z4-AS

AS398479 · Z4 Internet · US · ARIN
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3
Upstream providers
0
Downstream customers
2k
v4 addresses
1
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence
AS6461
AS6461
 2025-01-01
1y 3mo
 2026-04-29
196 peers
AS209 AS917 AS999 AS1031 AS1299 AS2500 AS2518 AS2914 AS3320 AS3399 AS3491 AS3549 AS4128 AS4641 AS4775 AS5392 AS5394 AS6082 AS6424 AS6453 AS6730 AS6762 AS6830 AS7018 AS7594 AS7713 AS8220 AS8888 AS9268 AS12637 AS12956 AS12969 AS13786 AS13830 AS14041 AS14537 AS14630 AS14840 AS14907 AS15397 AS15562 AS15692 AS15943 AS16276 AS16552 AS17350 AS17660 AS19151 AS19653 AS20080 AS20514 AS20811 AS20932 AS21282 AS22652 AS23367 AS23673 AS24516 AS25220 AS27678 AS27986 AS28624 AS28634 AS30950 AS31554 AS31742 AS32590 AS33185 AS33874 AS34428 AS34927 AS35266 AS35280 AS35426 AS35710 AS36924 AS37497 AS37697 AS38001 AS38008 AS38726 AS38880 AS40387 AS42541 AS43733 AS45049 AS46450 AS46997 AS47692 AS48112 AS48237 AS48362 AS49028 AS49432 AS49434 AS49544 AS49605 AS50628 AS51185 AS52468 AS52873 AS53062 AS55720 AS56987 AS57866 AS58057 AS59105 AS60539 AS61568 AS61832 AS62167 AS63956 AS132884 AS133210 AS134823 AS138685 AS140627 AS151704 AS197580 AS198150 AS199524 AS199938 AS205206 AS209650 AS210937 AS216285 AS262462 AS263009 AS263152 AS264409 AS264479 AS266213 AS267613 AS269180 AS271253 AS272403 AS327983 AS328840 AS328964 AS398465
AS6939
AS6939
 2025-01-01
1y 3mo
 2026-04-29
10 peers
AS209 AS1299 AS13781 AS17350 AS37468 AS47147 AS49028 AS151704 AS199524 AS209718
MEGAPORT
AS49915
 2025-12-14
4mo
 2026-04-29
149 peers
AS209 AS260 AS1280 AS2500 AS2914 AS3257 AS3320 AS3333 AS3491 AS3549 AS4128 AS4775 AS5580 AS6453 AS6730 AS6762 AS6830 AS7018 AS8220 AS8529 AS8582 AS12956 AS13781 AS14315 AS14537 AS15562 AS15692 AS16260 AS16276 AS17350 AS17660 AS19653 AS23673 AS25152 AS27986 AS31554 AS32590 AS35280 AS35710 AS37697 AS47692 AS48112 AS48237 AS49434 AS49544 AS49605 AS50628 AS51185 AS52873 AS55720 AS57866 AS59414 AS60924 AS61832 AS132884 AS151704 AS197580 AS199524 AS216285 AS262462 AS264409 AS266213 AS267613 AS268976 AS271253

Customers (0)

No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

6
v4 prefixes
2k
v4 addresses
1
v6 prefixes
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
2026-04-05
New Transit
Z4-AS AS398479 → added provider AS6939 AS6939
Confidence: 90%
⇄
2026-03-22
Lost Transit
Z4-AS AS398479 → lost provider AS6939 AS6939
Confidence: 85% Duration: 444d
⇄
2026-02-04
Lost Transit
Z4-AS AS398479 → lost provider AS6939 AS6939
Confidence: 85% Duration: 398d
⇄
2026-02-04
Lost Transit
Z4-AS AS398479 → lost provider AS174 AS174
Confidence: 85% Duration: 398d
⇄
2026-01-21
Lost Transit
Z4-AS AS398479 → lost provider AVATIVE-AS AS394752
Confidence: 85% Duration: 384d
⇄
2025-12-15
New Transit
Z4-AS AS398479 → added provider MEGAPORT AS49915
Confidence: 90%
⇄
2025-12-14
Lost Transit
Z4-AS AS398479 → lost provider Charter-Communications-TWC-20231-NE-KS-C3 AS20231
Confidence: 85% Duration: 330d
⇄
2025-11-19
Lost Transit
Z4-AS AS398479 → lost provider AS6939 AS6939
Confidence: 85% Duration: 321d
⇄
2025-04-16
Possible Trial
Z4-AS AS398479 → possible trial with Charter-Communications-TWC-11427-TEXAS AS11427
Confidence: 60% Duration: 15d
⇄
2025-04-02
New Transit
Z4-AS AS398479 → added provider AS174 AS174
Confidence: 90%
⇄
2025-04-02
New Transit
Z4-AS AS398479 → added provider AS6461 AS6461
Confidence: 90%
⇄
2025-04-02
New Transit
Z4-AS AS398479 → added provider Charter-Communications-TWC-20231-NE-KS-C3 AS20231
Confidence: 90%
⇄
2025-04-02
New Transit
Z4-AS AS398479 → added provider AVATIVE-AS AS394752
Confidence: 90%
⇄
2025-01-18
New Transit
Z4-AS AS398479 → added provider Charter-Communications-TWC-20231-NE-KS-C3 AS20231
Confidence: 90%
⇄
2025-01-17
Lost Transit
Z4-AS AS398479 → lost provider Charter-Communications-TWC-11427-TEXAS AS11427
Confidence: 85% Duration: 15d
⇄
2025-01-02
New Transit
Z4-AS AS398479 → added provider AVATIVE-AS AS394752
Confidence: 90%
⇄
2025-01-02
New Transit
Z4-AS AS398479 → added provider Charter-Communications-TWC-11427-TEXAS AS11427
Confidence: 90%
⇄
2025-01-02
New Transit
Z4-AS AS398479 → added provider AS6461 AS6461
Confidence: 90%
⇄
2025-01-02
New Transit
Z4-AS AS398479 → added provider AS174 AS174
Confidence: 90%
⇄

Renewal Calendar

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

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