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Comparing AS58511 and AS1221 — change

ANYCAST-GLOBAL-BACKBONE

AS58511 · Anycast Global Backbone Level 1 5/15 Phoenix Street
AU · APNIC
4
Providers
30
Customers
Explorer →

ASN-TELSTRA

AS1221 · Telstra Limited
AU · APNIC
2
Providers
228
Customers
Explorer →

Customer Count Over Time

Originated Address Space Over Time

IPv4 Addresses
IPv6 /32s

Prefix Count Over Time

IPv4 Prefixes
IPv6 Prefixes

Peering Count Over Time

AS58511 Providers

AS1221 Providers

AS58511 Recent Events

View all →
2026-03-14
Lost Transit
SENTINEL365-AS-AP AS135323 → lost provider ANYCAST-GLOBAL-BACKBONE AS58511
Confidence: 85% Duration: 528d
⇄
2026-01-21
Possible Trial
NEXTHOP-AS-AP AS9507 → possible trial with ANYCAST-GLOBAL-BACKBONE AS58511
Confidence: 60%
⇄
2025-12-30
Possible Trial
AS-QUAD9-ARIN AS19281 → possible trial with ANYCAST-GLOBAL-BACKBONE AS58511
Confidence: 60%
⇄
2025-12-16
Lost Transit
NEXTHOP-AS-AP AS9507 → lost provider ANYCAST-GLOBAL-BACKBONE AS58511
Confidence: 85% Duration: 3d
⇄
2025-12-13
New Transit
NEXTHOP-AS-AP AS9507 → added provider ANYCAST-GLOBAL-BACKBONE AS58511
Confidence: 90%
⇄
2025-12-01
Lost Transit
EGRESS-AS-AP AS4846 → lost provider ANYCAST-GLOBAL-BACKBONE AS58511
Confidence: 85% Duration: 425d
⇄
2025-11-24
Lost Transit
AS-QUAD9-ARIN AS19281 → lost provider ANYCAST-GLOBAL-BACKBONE AS58511
Confidence: 85% Duration: 3d
⇄
2025-11-21
New Transit
AS-QUAD9-ARIN AS19281 → added provider ANYCAST-GLOBAL-BACKBONE AS58511
Confidence: 90%
⇄
2025-10-16
Lost Transit
NOMINET-AS-AP AS139853 → lost provider ANYCAST-GLOBAL-BACKBONE AS58511
Confidence: 85% Duration: 379d
⇄
2025-10-16
Lost Transit
ANYCAST-GLOBAL-BACKBONE AS58511 → lost provider ASN-TELSTRA AS1221
Confidence: 85% Duration: 369d
⇄

AS1221 Recent Events

View all →
2026-05-02
New Transit
FRV-AS-AP AS55525 → added provider ASN-TELSTRA AS1221
Confidence: 90%
⇄
2026-05-01
Lost Transit
CEATECH-AS-AP AS140603 → lost provider ASN-TELSTRA AS1221
Confidence: 85% Duration: 576d
⇄
2026-05-01
Lost Transit
CAIRNSAIRPORT-AS-AP AS137442 → lost provider ASN-TELSTRA AS1221
Confidence: 85% Duration: 576d
⇄
2026-05-01
Lost Transit
RACQ-AS-AP AS135415 → lost provider ASN-TELSTRA AS1221
Confidence: 85% Duration: 568d
⇄
2026-05-01
Lost Transit
LATERAL-PLAINS-AS-AP AS131999 → lost provider ASN-TELSTRA AS1221
Confidence: 85% Duration: 576d
⇄
2026-05-01
Lost Transit
AS30103 AS30103 → lost provider ASN-TELSTRA AS1221
Confidence: 85% Duration: 576d
⇄
2026-05-01
Lost Transit
VERISIGN-AS AS16838 → lost provider ASN-TELSTRA AS1221
Confidence: 85% Duration: 576d
⇄
2026-05-01
Lost Transit
AS3573 AS3573 → lost provider ASN-TELSTRA AS1221
Confidence: 85% Duration: 576d
⇄
2026-04-30
Lost Transit
NETSG-AS-AP AS132847 → lost provider ASN-TELSTRA AS1221
Confidence: 85% Duration: 575d
⇄
2026-04-29
Lost Transit
ACE-AS-AP AS139341 → lost provider ASN-TELSTRA AS1221
Confidence: 85% Duration: 574d
⇄