CTGSERVERLIMITED-AS-AP

AS152194 · CTG Server Limited · HK · APNIC

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Upstream providers

Downstream customers

196k

v4 addresses

v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Addr family: All IPv4 IPv6

Provider	First Seen	Last Seen	Peers	AF
AS2914 AS2914	2025-06-19 12mo	2026-06-09	311 peers AS209 AS513 AS835 AS917 AS924 AS999 AS1000 AS1031 AS1103 AS1299 AS2119 AS3214 AS3216 AS3320 AS3549 AS4775 AS5392 AS5413 AS6423 AS6424 AS6453 AS6461 AS6730 AS6762 AS6830 AS7018 AS7594 AS7768 AS8218 AS8220 AS8426 AS8529 AS8660 AS9268 AS11845 AS12350 AS12956 AS13237 AS13781 AS13830 AS14041 AS14840 AS15397 AS15605 AS16276 AS16347 AS17350 AS19754 AS20205 AS20514 AS20811 AS20932 AS21232 AS22652 AS23367 AS24961 AS25091 AS28329 AS28917 AS29222 AS30950 AS31027 AS31554 AS32590 AS33185 AS34177 AS34428 AS34800 AS34927 AS35008 AS35426 AS35710 AS36924 AS37105 AS37239 AS37468 AS38016 AS39642 AS40864 AS41095 AS41811 AS42541 AS44097 AS44901 AS47147 AS48112 AS48237 AS49434 AS49544 AS49605 AS49673 AS49788 AS50628 AS50629 AS51185 AS52075 AS52320 AS52468 AS52873 AS53062 AS53202 AS55222 AS56457 AS56987 AS57050 AS58057 AS58511 AS59414 AS60924 AS61573 AS61832 AS62167 AS63956 AS64475 AS151326 AS197580 AS198150 AS199524 AS202365 AS202831 AS205112 AS205206 AS206356 AS212317 AS215628 AS216285 AS262427 AS262462 AS263009 AS263541 AS264409 AS265721 AS266213 AS271253 AS272403 AS328840 AS397131	v4 v6
PCCWG-APAC-HK AS3491	2024-12-18 1y 5mo	2026-06-09	308 peers AS174 AS209 AS513 AS553 AS680 AS835 AS924 AS955 AS999 AS1000 AS1031 AS1103 AS1213 AS1257 AS1299 AS2027 AS2734 AS2914 AS3130 AS3214 AS3216 AS3257 AS3320 AS3333 AS3399 AS3549 AS4128 AS4775 AS5392 AS5394 AS5413 AS5580 AS6057 AS6082 AS6423 AS6424 AS6453 AS6461 AS6730 AS6762 AS6830 AS6894 AS6908 AS7018 AS7594 AS7768 AS8218 AS8220 AS8426 AS8455 AS8529 AS8582 AS8660 AS8888 AS9002 AS9268 AS12350 AS12637 AS12779 AS12859 AS12956 AS12969 AS13237 AS13781 AS13786 AS13830 AS14041 AS14315 AS14537 AS14630 AS14840 AS14907 AS15397 AS15547 AS15562 AS15605 AS15692 AS15943 AS16276 AS16347 AS16552 AS17290 AS17350 AS17660 AS19151 AS19529 AS19653 AS19754 AS20080 AS20514 AS20612 AS20811 AS20912 AS20932 AS21282 AS21700 AS22652 AS23367 AS24482 AS24940 AS24961 AS25091 AS25160 AS25220 AS28329 AS28624 AS28634 AS28824 AS28917 AS29075 AS29140 AS29222 AS29479 AS29504 AS29680 AS29691 AS30950 AS31027 AS31510 AS31554 AS31742 AS32590 AS32709 AS33185 AS33874 AS34177 AS34428 AS34549 AS34800 AS34872 AS34927 AS35008 AS35266 AS35280 AS35426 AS35598 AS35600 AS35710 AS36924 AS37100 AS37105 AS37239 AS37271 AS37468 AS37721 AS38016 AS38880 AS39120 AS39122 AS39351 AS39642 AS40864 AS40994 AS41073 AS41095 AS41811 AS42473 AS42541 AS44097 AS44901 AS45049 AS45437 AS45489 AS46450 AS47147 AS47692 AS48070 AS48112 AS48185 AS48237 AS48362 AS48678 AS48919 AS49028 AS49432 AS49434 AS49544 AS49605 AS49788 AS50300 AS50304 AS50628 AS50629 AS51088 AS51184 AS51185 AS51519 AS52075 AS52320 AS52468 AS52873 AS53062 AS53202 AS53828 AS55222 AS56430 AS56457 AS56987 AS57050 AS57381 AS57630 AS57821 AS58057 AS58308 AS59790 AS59890 AS59919 AS60539 AS60602 AS60924 AS61049 AS61138 AS61568 AS61573 AS61832 AS62167 AS63927 AS63956 AS64112 AS64475 AS132825 AS132847 AS132884 AS136557 AS142289 AS150369 AS151326 AS151704 AS198150 AS198385 AS199524 AS199938 AS200612 AS202365 AS204092 AS205206 AS206356 AS206499 AS207841 AS209650 AS209823 AS210937 AS212271 AS212317 AS213151 AS213241 AS215230 AS215628 AS216285 AS262427 AS262462 AS263009 AS263152 AS263541 AS264409 AS264479 AS264845 AS265721 AS266213 AS267613 AS268976 AS269180 AS271253 AS272403 AS327960 AS328840 AS328977 AS397131 AS398465 AS401332	v4 v6
CHL-AS-AP AS17476	2024-09-29 1y 8mo	2026-06-09	285 peers AS174 AS260 AS553 AS1257 AS1299 AS1351 AS3257 AS3320 AS3491 AS5580 AS6461 AS6730 AS6830 AS6939 AS7018 AS8218 AS8220 AS8582 AS8888 AS12350 AS12859 AS12969 AS13030 AS14907 AS19529 AS19754 AS20205 AS28824 AS31742 AS33874 AS34177 AS34927 AS35008 AS35426 AS35710 AS39122 AS39351 AS40387 AS40864 AS41073 AS49134 AS50304 AS51519 AS52468 AS55222 AS55720 AS57344 AS57381 AS57630 AS59414 AS60602 AS61138 AS61218 AS64112 AS64475 AS142289 AS150369 AS151704 AS199518 AS199524 AS205206 AS210937 AS212271 AS263237 AS272403 AS327960 AS328840 AS398465 AS401332	v4 v6
NEAROUTE AS51847	2024-09-01 1y 9mo	2026-06-09	278 peers AS999 AS6057 AS7594 AS9268 AS12956 AS28329 AS32590 AS37239 AS37468 AS52320 AS52873 AS61832 AS263541 AS264845 AS269180	v4 v6
BGNL-HK AS64050	2024-09-01 1y 9mo	2026-06-09	243 peers AS174 AS209 AS513 AS553 AS680 AS835 AS924 AS999 AS1000 AS1031 AS1103 AS1213 AS1257 AS1299 AS2914 AS3130 AS3214 AS3216 AS3257 AS3320 AS3333 AS3399 AS3549 AS4128 AS4775 AS5392 AS5394 AS5413 AS6057 AS6082 AS6423 AS6424 AS6453 AS6461 AS6730 AS6762 AS6830 AS6908 AS7018 AS7594 AS7768 AS8218 AS8220 AS8426 AS8455 AS8529 AS8582 AS8660 AS8888 AS9002 AS9268 AS12350 AS12859 AS12956 AS12969 AS13237 AS13786 AS13830 AS14041 AS14315 AS14537 AS14630 AS14840 AS14907 AS15397 AS15547 AS15562 AS15605 AS15692 AS15943 AS16276 AS16347 AS16552 AS17290 AS17350 AS19151 AS19529 AS19653 AS19754 AS20080 AS20514 AS20811 AS20912 AS20932 AS21282 AS21700 AS22652 AS23367 AS24940 AS24961 AS25091 AS25160 AS25220 AS28329 AS28624 AS28634 AS28824 AS28917 AS29075 AS29140 AS29222 AS29479 AS29504 AS29680 AS29691 AS30950 AS31027 AS31510 AS31554 AS31742 AS32590 AS33185 AS33874 AS34177 AS34428 AS34549 AS34800 AS34872 AS34927 AS35266 AS35280 AS35426 AS35600 AS35710 AS36924 AS37100 AS37239 AS37271 AS37468 AS38016 AS38880 AS39122 AS39351 AS39642 AS40864 AS40994 AS41073 AS41095 AS41811 AS42473 AS42541 AS44097 AS44901 AS45049 AS46450 AS47147 AS47692 AS48070 AS48112 AS48185 AS48237 AS48362 AS48678 AS49028 AS49432 AS49434 AS49544 AS49605 AS49788 AS50300 AS50304 AS50628 AS50629 AS51088 AS51184 AS51185 AS51519 AS52075 AS52320 AS52468 AS52873 AS53062 AS53202 AS53828 AS55222 AS56457 AS56987 AS57050 AS57381 AS57630 AS57821 AS58057 AS59790 AS59919 AS60539 AS61049 AS61138 AS61568 AS61573 AS61832 AS62167 AS64112 AS64475 AS132847 AS142289 AS150369 AS151326 AS151704 AS198150 AS198385 AS199524 AS199938 AS200612 AS202365 AS204092 AS205206 AS206356 AS206499 AS207841 AS209650 AS209823 AS210937 AS212271 AS212317 AS213151 AS213241 AS215230 AS215628 AS216285 AS262427 AS262462 AS263009 AS263152 AS263541 AS264409 AS264479 AS264845 AS265721 AS266213 AS267613 AS268976 AS269180 AS271253 AS327960 AS328840 AS398465	v4 v6
FPT-AS-AP AS18403	2025-06-03 1y	2026-06-09	201 peers AS14315	v4 v6

Customers (3)

Addr family: All IPv4 IPv6

Customer	Country	First Seen	Last Seen	IPs	Peers	AF
BGNL-HK AS64050	HK	2024-09-01 1y 9mo	2026-06-09	7.2k	303 peers AS151704	v4 v6
STSL-AS-AP AS152711	CN	2025-07-29 10mo	2026-06-09	1k	226 peers AS174 AS209 AS513 AS835 AS917 AS924 AS999 AS1000 AS1031 AS1103 AS1213 AS1299 AS2119 AS3214 AS3216 AS3257 AS3320 AS3399 AS3549 AS4775 AS5392 AS5394 AS5413 AS6423 AS6424 AS6453 AS6461 AS6730 AS6762 AS6830 AS7018 AS7594 AS7768 AS8218 AS8220 AS8426 AS8529 AS8582 AS8660 AS8888 AS9268 AS11845 AS12350 AS12956 AS12969 AS13237 AS13781 AS13830 AS14041 AS14315 AS14840 AS15397 AS15605 AS16276 AS16347 AS17350 AS19754 AS20205 AS20514 AS20811 AS20932 AS21232 AS21700 AS22652 AS23367 AS24940 AS24961 AS25091 AS28329 AS28824 AS28917 AS29222 AS30950 AS31027 AS31554 AS32590 AS33185 AS33874 AS34177 AS34428 AS34800 AS34927 AS35008 AS35426 AS35710 AS36924 AS37105 AS37239 AS37468 AS38016 AS39122 AS39351 AS39642 AS40864 AS41073 AS41095 AS41811 AS42541 AS44097 AS44901 AS47147 AS48112 AS48237 AS49434 AS49544 AS49605 AS49673 AS49788 AS50304 AS50628 AS50629 AS51185 AS51519 AS52075 AS52320 AS52468 AS52873 AS53062 AS53202 AS55222 AS56457 AS56987 AS57050 AS57381 AS57821 AS58057 AS58511 AS59414 AS60924 AS61138 AS61573 AS61832 AS62167 AS63956 AS64112 AS64475 AS142289 AS150369 AS151326 AS151704 AS197580 AS198150 AS199524 AS200612 AS202365 AS202831 AS205112 AS205206 AS206356 AS210937 AS212271 AS212317 AS215628 AS216285 AS262427 AS262462 AS263009 AS263541 AS264409 AS265721 AS266213 AS271253 AS272403 AS328840 AS397131 AS398465	v4 v6
SHINETEL-AS-TW AS63902	TW	2025-08-09 10mo	2026-06-09	512	272 peers AS174 AS209 AS513 AS553 AS680 AS835 AS924 AS999 AS1000 AS1031 AS1103 AS1213 AS1257 AS1299 AS2914 AS3130 AS3214 AS3216 AS3257 AS3320 AS3333 AS3399 AS3549 AS4128 AS5392 AS5394 AS5413 AS6057 AS6082 AS6423 AS6424 AS6453 AS6461 AS6730 AS6762 AS6830 AS6908 AS7018 AS7594 AS7768 AS8218 AS8220 AS8426 AS8455 AS8582 AS8888 AS9002 AS9268 AS12350 AS12637 AS12779 AS12859 AS12956 AS12969 AS13237 AS13786 AS13830 AS14041 AS14315 AS14537 AS14630 AS14840 AS14907 AS15397 AS15562 AS15605 AS15692 AS15943 AS16276 AS16347 AS16552 AS17290 AS17350 AS17660 AS19151 AS19529 AS19653 AS19754 AS20080 AS20514 AS20811 AS20912 AS20932 AS21700 AS22652 AS23367 AS24940 AS24961 AS25091 AS25160 AS25220 AS28329 AS28624 AS28634 AS28824 AS28917 AS29075 AS29140 AS29479 AS29504 AS29680 AS30950 AS31027 AS31510 AS31554 AS31742 AS32590 AS33185 AS33874 AS34177 AS34428 AS34549 AS34800 AS34872 AS34927 AS35266 AS35280 AS35426 AS35600 AS35710 AS37100 AS37239 AS37271 AS37468 AS38016 AS39120 AS39122 AS39351 AS39642 AS40864 AS40994 AS41073 AS41095 AS41811 AS42473 AS42541 AS44901 AS45049 AS45489 AS46450 AS47147 AS47692 AS48070 AS48112 AS48185 AS48237 AS48362 AS48678 AS49432 AS49434 AS49544 AS49605 AS49788 AS50300 AS50304 AS50629 AS51088 AS51184 AS51185 AS51519 AS52075 AS52320 AS52468 AS52873 AS53062 AS53202 AS53828 AS55222 AS56457 AS56987 AS57050 AS57381 AS57630 AS57821 AS58057 AS59790 AS59919 AS60539 AS61049 AS61138 AS61568 AS61573 AS61832 AS62167 AS64112 AS64475 AS132825 AS132884 AS142289 AS150369 AS151326 AS151704 AS198150 AS198385 AS199524 AS199938 AS200612 AS202365 AS204092 AS205206 AS206356 AS206499 AS207841 AS209650 AS209823 AS210937 AS212271 AS212317 AS213151 AS215230 AS215628 AS216285 AS262427 AS262462 AS263009 AS263152 AS263541 AS264409 AS264479 AS264845 AS265721 AS266213 AS267613 AS268976 AS269180 AS271253 AS327960 AS328840 AS398465	v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

645

v4 prefixes

196k

v4 addresses

v6 prefixes

v6 /32s

Downstream Customers Over Time

Count of distinct downstream customers per snapshot date

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching

2026-03-27

Lost Transit

CTGSERVERLIMITED-AS-AP AS152194 → lost provider FPT-AS-AP AS18403

Confidence: 85% Duration: 296d

⇄

2026-03-15

New Transit

CTGSERVERLIMITED-AS-AP AS152194 → added provider FPT-AS-AP AS18403

Confidence: 90%

⇄

2026-02-02

Possible Trial

STCL-AS-AP AS141761 → possible trial with CTGSERVERLIMITED-AS-AP AS152194

Confidence: 60% Duration: 7d

⇄

2026-01-27

Lost Transit

STCL-AS-AP AS141761 → lost provider CTGSERVERLIMITED-AS-AP AS152194

Confidence: 85% Duration: 40d

⇄

2026-01-09

New Transit

CTGSERVERLIMITED-AS-AP AS152194 → added provider CHL-AS-AP AS17476

Confidence: 90%

⇄

2026-01-06

Lost Transit

CTGSERVERLIMITED-AS-AP AS152194 → lost provider FPT-AS-AP AS18403

Confidence: 85% Duration: 216d

⇄

2025-12-18

New Transit

STCL-AS-AP AS141761 → added provider CTGSERVERLIMITED-AS-AP AS152194

Confidence: 90%

⇄

2025-12-13

Lost Transit

CTGSERVERLIMITED-AS-AP AS152194 → lost provider CHL-AS-AP AS17476

Confidence: 85% Duration: 439d

⇄

2025-11-17

New Transit

CTGSERVERLIMITED-AS-AP AS152194 → added provider FPT-AS-AP AS18403

Confidence: 90%

⇄

2025-11-16

Lost Transit

NEAROUTE AS51847 → lost provider CTGSERVERLIMITED-AS-AP AS152194

Confidence: 85% Duration: 273d

⇄

2025-09-02

Lost Transit

CTGSERVERLIMITED-AS-AP AS152194 → lost provider FPT-AS-AP AS18403

Confidence: 85% Duration: 90d

⇄

2025-08-10

New Transit

SHINETEL-AS-TW AS63902 → added provider CTGSERVERLIMITED-AS-AP AS152194

Confidence: 90%

⇄

2025-07-30

New Transit

STSL-AS-AP AS152711 → added provider CTGSERVERLIMITED-AS-AP AS152194

Confidence: 90%

⇄

2025-07-25

New Transit

NEAROUTE AS51847 → added provider CTGSERVERLIMITED-AS-AP AS152194

Confidence: 90%

⇄

2025-06-28

Lost Transit

NEAROUTE AS51847 → lost provider CTGSERVERLIMITED-AS-AP AS152194

Confidence: 85% Duration: 132d

⇄

2025-06-24

Possible Trial

FTG-AS-AP AS38186 → possible trial with CTGSERVERLIMITED-AS-AP AS152194

Confidence: 60%

⇄

2025-06-20

New Transit

CTGSERVERLIMITED-AS-AP AS152194 → added provider AS2914 AS2914

Confidence: 90%

⇄

2025-06-14

New Transit

NEAROUTE AS51847 → added provider CTGSERVERLIMITED-AS-AP AS152194

Confidence: 90%

⇄

2025-06-07

Lost Transit

CTGSERVERLIMITED-AS-AP AS152194 → lost provider FPT-AS-AP AS18403

Confidence: 85% Duration: 3d

⇄

2025-06-04

New Transit

CTGSERVERLIMITED-AS-AP AS152194 → added provider FPT-AS-AP AS18403

Confidence: 90%

⇄

2025-05-16

Lost Transit

FTG-AS-AP AS38186 → lost provider CTGSERVERLIMITED-AS-AP AS152194

Confidence: 85%

⇄

2025-04-18

Possible Trial

NEAROUTE AS51847 → possible trial with CTGSERVERLIMITED-AS-AP AS152194

Confidence: 60% Duration: 22d

⇄

2025-04-12

Lost Transit

NEAROUTE AS51847 → lost provider CTGSERVERLIMITED-AS-AP AS152194

Confidence: 85% Duration: 55d

⇄

2025-03-07

New Transit

CTGSERVERLIMITED-AS-AP AS152194 → added provider CHL-AS-AP AS17476

Confidence: 90%

⇄

2025-02-20

Lost Transit

CTGSERVERLIMITED-AS-AP AS152194 → lost provider CHL-AS-AP AS17476

Confidence: 85% Duration: 143d

⇄

2025-02-16

New Transit

NEAROUTE AS51847 → added provider CTGSERVERLIMITED-AS-AP AS152194

Confidence: 90%

⇄

2024-12-19

New Transit

CTGSERVERLIMITED-AS-AP AS152194 → added provider PCCWG-APAC-HK AS3491

Confidence: 90%

⇄

2024-12-14

Possible Trial

AS18779 AS18779 → possible trial with CTGSERVERLIMITED-AS-AP AS152194

Confidence: 60%

⇄

2024-11-24

Lost Transit

AS18779 AS18779 → lost provider CTGSERVERLIMITED-AS-AP AS152194

Confidence: 85% Duration: 19d

⇄

2024-11-05

New Transit

AS18779 AS18779 → added provider CTGSERVERLIMITED-AS-AP AS152194

Confidence: 90%

⇄

2024-09-30

New Transit

CTGSERVERLIMITED-AS-AP AS152194 → added provider CHL-AS-AP AS17476

Confidence: 90%

⇄

2024-09-02

New Transit

CTGSERVERLIMITED-AS-AP AS152194 → added provider BGNL-HK AS64050

Confidence: 90%

⇄

2024-09-02

New Transit

CTGSERVERLIMITED-AS-AP AS152194 → added provider NEAROUTE AS51847

Confidence: 90%

⇄

2024-09-02

New Transit

BGNL-HK AS64050 → added provider CTGSERVERLIMITED-AS-AP AS152194

Confidence: 90%

⇄

Route Leak Signals

experimental 5 most recent observations

Date	Role	Counterparty	Prefix	Reason	VPs	Sample path
2026-04-24	Leaker	PCCWG-APAC-HK AS3491	121.127.225.0/24	AS152194 classified as transit provider to AS3491 — impossible, AS3491 is tier-1 clique member	2	show path 3549 3356 3223 51847 152194 3491 64050
2026-04-21	Leaker	PCCWG-APAC-HK AS3491	121.127.225.0/24	AS152194 classified as transit provider to AS3491 — impossible, AS3491 is tier-1 clique member	2	show path 3549 3356 3223 51847 152194 3491 64050
2026-04-20	Leaker	PCCWG-APAC-HK AS3491	121.127.225.0/24	AS152194 classified as transit provider to AS3491 — impossible, AS3491 is tier-1 clique member	2	show path 3549 3356 3223 51847 152194 3491 64050
2026-04-19	Leaker	PCCWG-APAC-HK AS3491	121.127.225.0/24	AS152194 classified as transit provider to AS3491 — impossible, AS3491 is tier-1 clique member	2	show path 3549 3356 3223 51847 152194 3491 64050
2026-04-18	Leaker	PCCWG-APAC-HK AS3491	121.127.225.0/24	AS152194 classified as transit provider to AS3491 — impossible, AS3491 is tier-1 clique member	2	show path 3549 3356 3223 51847 152194 3491 64050

Renewal Calendar

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

This data is available to subscribers.