ISIF-AS-AP

AS4743 · ISIF LIMITED · HK · APNIC

Upstream providers

Downstream customers

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider	First Seen	Last Seen	Peers	Confidence	AF
SAKURA-AS AS49304	2025-08-30 9mo	2026-06-09	238 peers AS209 AS260 AS553 AS701 AS835 AS924 AS999 AS1273 AS1299 AS3216 AS3257 AS3320 AS3491 AS3549 AS5392 AS5394 AS5413 AS5580 AS6453 AS6461 AS6730 AS6762 AS6830 AS7018 AS8218 AS8220 AS8455 AS8582 AS8888 AS12350 AS12859 AS12956 AS12969 AS13237 AS13786 AS14041 AS14315 AS14537 AS14630 AS14907 AS15605 AS16276 AS16347 AS17290 AS17350 AS19529 AS19754 AS20514 AS20811 AS23367 AS28329 AS28824 AS28917 AS30950 AS31027 AS31554 AS32590 AS34177 AS34428 AS34927 AS35710 AS37468 AS37497 AS37697 AS39642 AS40864 AS41811 AS42473 AS42541 AS47147 AS48185 AS48237 AS48362 AS49028 AS49432 AS49434 AS49544 AS49605 AS50304 AS50877 AS51088 AS51185 AS52075 AS52468 AS52873 AS53062 AS53202 AS56457 AS57630 AS57821 AS61573 AS61832 AS64475 AS132825 AS132884 AS151704 AS197580 AS199524 AS199938 AS206271 AS209650 AS209718 AS210937 AS216285 AS262462 AS263009 AS263152 AS263541 AS264409 AS266213 AS271253 AS328206 AS328840 AS398465		v4 v6

Customers (2)

Addr family: All IPv4 IPv6

Customer	Country	First Seen	Last Seen	IPs	Peers	Confidence	AF
ISIF-AS-AP AS154162	HK	2025-08-30 9mo	2026-06-09	256	124 peers AS209 AS835 AS1000 AS1299 AS2152 AS3320 AS3549 AS6424 AS6762 AS7018 AS12956 AS14041 AS14315 AS14630 AS17350 AS19529 AS30950 AS33185 AS34927 AS48237 AS49544 AS52873 AS55222 AS199524 AS262462 AS263009 AS266213 AS271253		v4 v6
ISIF-AS AS209554	EE	2025-08-30 9mo	2026-06-09	512	235 peers AS209 AS1299 AS17290 AS17350 AS37468 AS47147 AS49028 AS61573 AS151704 AS199524 AS209718		v4 v6

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching

2026-06-06

Lost Transit

ISIF-AS-AP AS4743 → lost provider ISIF-AS AS209554

Confidence: 85% Duration: 279d

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2026-06-05

Relationship Disputed

ISIF-AS-AP AS4743 ISIF-AS AS209554

Confidence: 50%

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2026-06-03

Relationship Disputed

ISIF-AS-AP AS4743 ISIF-AS AS209554

Confidence: 50%

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2026-04-14

New Transit

ISIF-AS-AP AS154162 → added provider ISIF-AS-AP AS4743

Confidence: 90%

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2026-03-29

Lost Transit

ISIF-AS-AP AS154162 → lost provider ISIF-AS-AP AS4743

Confidence: 85% Duration: 210d

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2026-03-29

Lost Transit

ISIF-AS-AP AS4743 → lost provider ISIF-AS AS209554

Confidence: 85% Duration: 210d

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2026-03-28

Lost Transit

ISIF-AS-AP AS4743 → lost provider CTCSCITECHLIMITED-AS-AP AS9886

Confidence: 85% Duration: 203d

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2026-03-18

Lost Transit

ISIF-AS-AP AS4743 → lost provider ISIF-AS AS209554

Confidence: 85% Duration: 199d

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2026-03-17

New Transit

ISIF-AS-AP AS4743 → added provider ISIF-AS AS209554

Confidence: 90%

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2025-12-24

Possible Trial

ISIF-AS-AP AS4743 → possible trial with JINXCOLIMITED-AS-AP AS150684

Confidence: 60% Duration: 33d

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2025-12-18

Lost Transit

ISIF-AS-AP AS4743 → lost provider JINXCOLIMITED-AS-AP AS150684

Confidence: 85% Duration: 66d

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2025-11-13

Lost Transit

ISIF-AS-AP AS4743 → lost provider ISIF-AS AS209554

Confidence: 85% Duration: 74d

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2025-10-13

New Transit

ISIF-AS-AP AS4743 → added provider JINXCOLIMITED-AS-AP AS150684

Confidence: 90%

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2025-09-25

New Transit

ISIF-AS-AP AS4743 → added provider ISIF-AS AS209554

Confidence: 90%

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2025-09-06

New Transit

ISIF-AS-AP AS4743 → added provider CTCSCITECHLIMITED-AS-AP AS9886

Confidence: 90%

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2025-09-05

Lost Transit

ISIF-AS-AP AS4743 → lost provider ISIF-AS AS209554

Confidence: 85% Duration: 5d

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2025-08-31

New Transit

ISIF-AS AS209554 → added provider ISIF-AS-AP AS4743

Confidence: 90%

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2025-08-31

New Transit

ISIF-AS-AP AS154162 → added provider ISIF-AS-AP AS4743

Confidence: 90%

⇄

2025-08-31

New Transit

ISIF-AS-AP AS4743 → added provider ISIF-AS AS209554

Confidence: 90%

⇄

2025-08-31

New Transit

ISIF-AS-AP AS4743 → added provider SAKURA-AS AS49304

Confidence: 90%

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Renewal Calendar

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

This data is available to subscribers.