CTC

AS18126 · Chubu Telecommunications Co.,Inc. Sakae 2-2-5, Naka-ku, Nagoya-shi,460-0008 Japan · JP · APNIC
4
Upstream providers
1
Downstream customers
1.4m
v4 addresses
2
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence AF
AS2914
AS2914
2024-09-01
1y 9mo
2026-06-09
82 peers
AS835 AS924 AS1031 AS1140 AS3320 AS3491 AS5580 AS6424 AS6453 AS6461 AS6730 AS6762 AS6830 AS7018 AS7768 AS8218 AS8529 AS12956 AS13237 AS15605 AS16276 AS17350 AS19529 AS24516 AS24961 AS25091 AS30844 AS32590 AS35710 AS37697 AS40864 AS47147 AS49434 AS49605 AS50628 AS51185 AS52075 AS52468 AS52873 AS53062 AS56457 AS56987 AS61832 AS64475 AS134823 AS197580 AS199524 AS216285 AS328840
v4 v6
Vectant
AS2519
2024-09-01
1y 9mo
2026-06-09
31 peers
AS3549
v4 v6
AS2497
AS2497
2024-09-01
1y 9mo
2026-06-09
15 peers
AS199524
v4 v6
AS2516
AS2516
2024-09-01
1y 9mo
2026-06-09
14 peers
AS209 AS260 AS3257 AS5580
v4 v6

Customers (1)

Customer Country First Seen Last Seen IPs Peers Confidence AF
SMG
AS146985
JP 2024-09-01
1y 9mo
2026-06-09 512
14 peers
AS3549 AS6461 AS8218 AS12956 AS24516 AS61832 AS134823 AS199524
v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

73
v4 prefixes
1.4m
v4 addresses
2
v6 prefixes
2
v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

2026-06-04
New Transit
CTC AS18126 → added provider Vectant AS2519
Confidence: 90%
2026-06-03
Lost Transit
CTC AS18126 → lost provider AS2497 AS2497
Confidence: 85% Duration: 639d
2026-06-03
Lost Transit
CTC AS18126 → lost provider TWELVE99 AS1299
Confidence: 85% Duration: 20d
2026-05-20
Lost Transit
CTC AS18126 → lost provider Vectant AS2519
Confidence: 85% Duration: 625d
2026-05-14
New Transit
CTC AS18126 → added provider TWELVE99 AS1299
Confidence: 90%
2026-04-04
New Transit
CTC AS18126 → added provider Vectant AS2519
Confidence: 90%
2026-03-26
Lost Transit
CTC AS18126 → lost provider Vectant AS2519
Confidence: 85% Duration: 570d
2026-02-02
New Transit
CTC AS18126 → added provider Vectant AS2519
Confidence: 90%
2026-01-04
Lost Transit
CTC AS18126 → lost provider Vectant AS2519
Confidence: 85% Duration: 489d
2025-12-07
New Transit
CTC AS18126 → added provider Vectant AS2519
Confidence: 90%
2025-11-20
Lost Transit
CTC AS18126 → lost provider Vectant AS2519
Confidence: 85% Duration: 444d
2025-07-09
Lost Transit
CTC AS18126 → lost provider AS2518 AS2518
Confidence: 85% Duration: 310d
2025-03-02
New Transit
CTC AS18126 → added provider AS2518 AS2518
Confidence: 90%
2025-02-07
Lost Transit
CTC AS18126 → lost provider AS2518 AS2518
Confidence: 85% Duration: 158d
2025-02-02
New Transit
CTC AS18126 → added provider AS2518 AS2518
Confidence: 90%
2025-01-06
Lost Transit
CTC AS18126 → lost provider AS2518 AS2518
Confidence: 85% Duration: 126d
2025-01-02
New Transit
CTC AS18126 → added provider AS2518 AS2518
Confidence: 90%
2024-12-09
Lost Transit
CTC AS18126 → lost provider AS2518 AS2518
Confidence: 85% Duration: 98d
2024-12-04
New Transit
CTC AS18126 → added provider AS2518 AS2518
Confidence: 90%
2024-10-11
Possible Trial
CTC AS18126 → possible trial with AS2518 AS2518
Confidence: 60%
2024-09-15
Lost Transit
CTC AS18126 → lost provider AS2518 AS2518
Confidence: 85% Duration: 13d
2024-09-02
New Transit
SMG AS146985 → added provider CTC AS18126
Confidence: 90%
2024-09-02
New Transit
CTC AS18126 → added provider AS2914 AS2914
Confidence: 90%
2024-09-02
New Transit
CTC AS18126 → added provider Vectant AS2519
Confidence: 90%
2024-09-02
New Transit
CTC AS18126 → added provider AS2518 AS2518
Confidence: 90%
2024-09-02
New Transit
CTC AS18126 → added provider AS2516 AS2516
Confidence: 90%
2024-09-02
New Transit
CTC AS18126 → added provider AS2497 AS2497
Confidence: 90%

Renewal Calendar

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

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