CNCGROUP-SH

AS17621 · China Unicom Shanghai network · CN · APNIC
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2
Upstream providers
17
Downstream customers
929k
v4 addresses
23.8
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence
CUII
AS9929
 2024-11-01
1y 6mo
 2026-04-30
163 peers
AS209 AS260 AS1257 AS2500 AS2914 AS3257 AS3491 AS3701 AS4128 AS5580 AS6082 AS6894 AS7018 AS7594 AS7768 AS8582 AS9002 AS13786 AS14537 AS15562 AS16260 AS16276 AS17350 AS17660 AS24482 AS24516 AS29680 AS31554 AS34800 AS37271 AS37497 AS38008 AS40994 AS46997 AS47147 AS47957 AS49544 AS50300 AS148968 AS197580 AS199524 AS211509 AS266213 AS327804 AS328206 AS328964 AS398465
CHINA169-Backbone
AS4837
 2024-11-01
1y 6mo
 2026-04-30
179 peers
AS209 AS2914 AS3320 AS3491 AS3549 AS4128 AS6082 AS15562 AS19151 AS24482 AS35710 AS37697 AS64475 AS199524 AS328964

Customers (17)

Customer Country First Seen Last Seen IPs Peers Confidence
AS109
AS109
 US 2024-11-01
1y 6mo
 2026-04-30 4.6k
60 peers
AS209 AS3549 AS5392 AS30950 AS34927 AS41095 AS49544 AS264409 AS266213
MSMSL-AS-AP
AS7609
 CN 2024-11-01
1y 6mo
 2026-04-30 256
51 peers
AS2914 AS3320 AS3491 AS4128 AS6082 AS7018 AS14537 AS15562 AS19151 AS24482 AS29140 AS35710 AS37697 AS38008 AS46997 AS49544 AS53828 AS64475 AS199524 AS328964 AS398465
NovaNetwork
AS9809
 CN 2024-11-01
1y 6mo
 2026-04-30 20k
26 peers
AS209 AS2914 AS3320 AS3491 AS3549 AS4128 AS6082 AS15562 AS19151 AS24482 AS35710 AS37697 AS64475 AS199524
UBSGROUPAG-AS-AP
AS10100
 CH 2024-11-01
1y 6mo
 2026-04-30 1k
56 peers
AS209 AS2152 AS2914 AS3320 AS3491 AS3549 AS3701 AS4128 AS5392 AS6082 AS6424 AS7018 AS7594 AS14537 AS15562 AS19151 AS30950 AS34927 AS35710 AS37697 AS38008 AS41095 AS46997 AS49544 AS64475 AS199524 AS263009 AS266213 AS268976 AS271253 AS328964
CHINAENTERCOM
AS10212
 CN 2024-11-01
1y 6mo
 2026-04-30 768
79 peers
AS209 AS835 AS999 AS1299 AS3320 AS3491 AS3549 AS4181 AS5394 AS5580 AS6730 AS6762 AS6830 AS7018 AS7594 AS8220 AS12956 AS12969 AS19529 AS19754 AS20514 AS22652 AS23367 AS27986 AS28824 AS32590 AS33185 AS34927 AS36924 AS37697 AS38008 AS40387 AS46997 AS48112 AS49028 AS49605 AS50304 AS51185 AS52468 AS55222 AS57821 AS61832 AS151704 AS197580 AS199524 AS205206 AS216285 AS265721 AS272403 AS328964 AS398465
DMTNET
AS24141
 CN 2024-11-01
1y 6mo
 2026-04-30 2.6k
27 peers
AS209 AS2914 AS3320 AS3491 AS3549 AS4128 AS6082 AS15562 AS19151 AS24482 AS35710 AS37697 AS64475 AS199524
ALIBABA-CN-NET
AS37963
 CN 2024-11-01
1y 6mo
 2026-04-30 2.4m
51 peers
AS209 AS2914 AS3320 AS3491 AS3549 AS4128 AS6082 AS19151 AS24482 AS35710 AS37697 AS64475 AS199524
GDSNET
AS45079
 CN 2024-11-01
1y 6mo
 2026-04-30 13k
35 peers
AS209 AS2152 AS2914 AS3320 AS3491 AS3549 AS3701 AS4128 AS5392 AS6082 AS6424 AS7018 AS7594 AS14537 AS15562 AS19151 AS30950 AS34927 AS35710 AS37697 AS38008 AS41095 AS46997 AS49544 AS64475 AS199524 AS263009 AS266213 AS268976 AS271253 AS328964
SPDB-CN
AS56006
 CN 2024-11-01
1y 6mo
 2026-04-30 1k
60 peers
AS209 AS3549
SDSC
AS56013
 CN 2024-11-01
1y 6mo
 2026-04-30 256
22 peers
AS209 AS3549
BBGINETCN
AS58850
 CN 2024-11-01
1y 6mo
 2026-04-30 256
18 peers
AS209 AS2914 AS3320 AS3491 AS3549 AS4128 AS6082 AS15562 AS24482 AS29140 AS35710 AS37697 AS64475 AS199524 AS398465
KHTech
AS59083
 CN 2024-11-01
1y 6mo
 2026-04-30 4.4k
50 peers
AS209 AS2914 AS3320 AS3491 AS3549 AS4128 AS6082 AS15562 AS19151 AS24482 AS35710 AS37697 AS64475 AS199524
AS63570
AS63570
 CN 2024-11-01
1y 6mo
 2026-04-30 2k
54 peers
AS209 AS3549 AS5392 AS30950 AS34927 AS41095 AS49544 AS266213
MTSCHINANET
AS137759
 CN 2024-11-01
1y 6mo
 2026-04-30 512
48 peers
AS174 AS209 AS2914 AS3130 AS3320 AS3491 AS3549 AS4128 AS6082 AS7018 AS15562 AS19151 AS24516 AS29504 AS31510 AS34927 AS35710 AS39351 AS40994 AS51519 AS52468 AS61138 AS64112 AS64475 AS134823 AS151326 AS199524 AS209650 AS212271 AS327960 AS328840 AS328964
CDC-SAP-DC-SHA
AS146842
 CN 2024-11-01
1y 6mo
 2026-04-30 5.4k
158 peers
AS209 AS260 AS924 AS1031 AS1140 AS2152 AS3257 AS3320 AS3333 AS3491 AS3549 AS4775 AS5392 AS5580 AS6453 AS6461 AS6730 AS6762 AS6830 AS7018 AS8218 AS8529 AS8582 AS11039 AS12956 AS13781 AS14907 AS15605 AS16276 AS17350 AS19529 AS27986 AS30950 AS31554 AS32590 AS34927 AS35280 AS37697 AS39642 AS40864 AS41095 AS41811 AS48112 AS48185 AS48237 AS49434 AS49544 AS49605 AS50877 AS51185 AS52468 AS52873 AS53062 AS57866 AS60924 AS61832 AS151704 AS197580 AS199524 AS204092 AS209823 AS212317 AS216285 AS264409 AS264479 AS266213 AS397131
CHINAUNIONPAY
AS139148
 CN 2025-01-01
1y 4mo
 2026-04-30 2.3k
7 peers
AS209 AS3549
HSDC-CN
AS151247
 CN 2026-03-20
1mo
 2026-04-30 512
56 peers
AS174 AS209 AS3130 AS3549 AS5392 AS7594 AS13830 AS29504 AS30950 AS31510 AS34927 AS41095 AS49544 AS52468 AS61138 AS64112 AS134823 AS151326 AS198150 AS209650 AS212271 AS263009 AS266213 AS271253 AS327960 AS328840

Network Size

IPv4 and IPv6 prefixes originated over time

266
v4 prefixes
929k
v4 addresses
400
v6 prefixes
23.8
v6 /32s

Downstream Customers Over Time

Count of distinct downstream customers per snapshot date

Unclassified Peers Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching
2024-11-21
Lost Transit
travelsky AS38381 → lost provider CNCGROUP-SH AS17621
Confidence: 85% Duration: 19d
⇄
2024-11-21
Lost Transit
NovaNetwork AS9809 → lost provider CNCGROUP-SH AS17621
Confidence: 85% Duration: 19d
⇄
2024-11-11
New Transit
MSMSL-AS-AP AS7609 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
CDC-SAP-DC-SHA AS146842 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
MTSCHINANET AS137759 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
AS137746 AS137746 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
VISA-AS-AP AS135432 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
GECHINANET AS63615 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
AS63570 AS63570 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
KHTech AS59083 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
BBGINETCN AS58850 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
SDSC AS56013 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
SPDB-CN AS56006 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
HERBALIFE-CNDC AS56000 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
QIHOO AS55992 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
intel-china AS55958 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
YOVOLE AS45086 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
GDSNET AS45079 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
DellChina AS38057 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
ALIBABA-CN-NET AS37963 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
AS26380 AS26380 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
FREENET AS24427 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
EBAY-ASIA-AS AS24331 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
DMTNET AS24141 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
CNNIC-DSNET-AP AS23853 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
STN-CN AS17775 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
CNCGROUP-SH AS17621 → added provider CUII AS9929
Confidence: 90%
⇄
2024-11-02
New Transit
CNCGROUP-SH AS17621 → added provider CHINA169-Backbone AS4837
Confidence: 90%
⇄
2024-11-02
New Transit
CHINAENTERCOM AS10212 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
UBSGROUPAG-AS-AP AS10100 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
FibrLINK AS9814 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄
2024-11-02
New Transit
AS109 AS109 → added provider CNCGROUP-SH AS17621
Confidence: 90%
⇄

Renewal Calendar

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

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