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DCC-BG

AS51582 · BG · RIPENCC
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3
Upstream providers
1
Downstream customers
31k
v4 addresses
1
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Addr family: All IPv4 IPv6
Provider First Seen Last Seen Peers Confidence AF
SOFIA-CONNECT-AS
AS47872
 2024-09-01
1y 9mo
 2026-06-09
106 peers
AS174 AS209 AS999 AS1031 AS1299 AS1351 AS2500 AS2518 AS2914 AS3130 AS3320 AS3549 AS4128 AS4641 AS5394 AS6082 AS6424 AS6453 AS6730 AS6762 AS6830 AS7018 AS7713 AS8220 AS8888 AS12637 AS12956 AS12969 AS14315 AS14537 AS14630 AS15562 AS15692 AS16276 AS16552 AS17660 AS19151 AS19754 AS20080 AS20514 AS20811 AS22652 AS23367 AS24516 AS25160 AS31510 AS31742 AS32590 AS33185 AS33874 AS34800 AS34927 AS35266 AS35280 AS35710 AS36924 AS38726 AS39122 AS45437 AS47692 AS49028 AS49434 AS49544 AS49605 AS51185 AS52468 AS53828 AS55222 AS55720 AS56987 AS57695 AS58511 AS59105 AS60539 AS61138 AS61568 AS61573 AS63956 AS64112 AS132825 AS132884 AS133210 AS136557 AS142289 AS150369 AS151326 AS151704 AS199524 AS202365 AS205206 AS210937 AS212271 AS262427 AS265721 AS271253 AS327960 AS328840 AS398465
v4 v6
IPACCT-AS
AS31287
 2024-09-01
1y 9mo
 2026-06-09
73 peers
AS260 AS3257 AS5580 AS7594 AS8582 AS14907 AS142289 AS151704
v4 v6
AS400687
AS400687
 2024-09-01
1y 9mo
 2026-06-09
17 peers
AS2914 AS4128 AS4641 AS6082 AS7018 AS16552 AS20080 AS35280 AS53828 AS55720
v4 v6

Customers (1)

Addr family: All IPv4 IPv6
Customer Country First Seen Last Seen IPs Peers Confidence AF
TCV-AS
AS12796
 BG 2025-09-26
8mo
 2026-06-09 13k
113 peers
AS209 AS260 AS999 AS1031 AS2500 AS2518 AS2914 AS3257 AS3320 AS3549 AS4128 AS4641 AS5580 AS6082 AS6453 AS6730 AS6762 AS6830 AS7018 AS8220 AS8582 AS12956 AS14630 AS15562 AS15692 AS16276 AS16552 AS17660 AS20080 AS32590 AS35266 AS35280 AS35710 AS47692 AS49434 AS49544 AS49605 AS51185 AS52468 AS53828 AS55720 AS59105 AS132884 AS142289 AS151704 AS199524 AS398465
v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

9
v4 prefixes
31k
v4 addresses
1
v6 prefixes
1
v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching
2026-05-20
Lost Transit
DCC-BG AS51582 → lost provider AS400687 AS400687
Confidence: 85% Duration: 625d
⇄
2025-08-14
New Transit
DCC-BG AS51582 → added provider AS400687 AS400687
Confidence: 90%
⇄
2025-08-14
New Transit
DCC-BG AS51582 → added provider IPACCT-AS AS31287
Confidence: 90%
⇄
2025-08-13
Lost Transit
DCC-BG AS51582 → lost provider GTT-BACKBONE AS3257
Confidence: 85% Duration: 345d
⇄
2025-08-06
Lost Transit
DCC-BG AS51582 → lost provider IPACCT-AS AS31287
Confidence: 85% Duration: 338d
⇄
2025-07-16
New Transit
DCC-BG AS51582 → added provider IPACCT-AS AS31287
Confidence: 90%
⇄
2025-07-15
Lost Transit
DCC-BG AS51582 → lost provider AS400687 AS400687
Confidence: 85% Duration: 316d
⇄
2025-04-06
New Transit
DCC-BG AS51582 → added provider AS400687 AS400687
Confidence: 90%
⇄
2025-03-31
Lost Transit
DCC-BG AS51582 → lost provider AS400687 AS400687
Confidence: 85% Duration: 210d
⇄
2024-10-16
Lost Transit
DCC-BG AS51582 → lost provider AS400687 AS400687
Confidence: 85% Duration: 44d
⇄
2024-10-11
Possible Trial
DCC-BG AS51582 → possible trial with IPACCT-AS AS31287
Confidence: 60%
⇄
2024-10-04
Lost Transit
DCC-BG AS51582 → lost provider IPACCT-AS AS31287
Confidence: 85% Duration: 32d
⇄
2024-09-02
New Transit
DCC-BG AS51582 → added provider AS400687 AS400687
Confidence: 90%
⇄
2024-09-02
New Transit
DCC-BG AS51582 → added provider SOFIA-CONNECT-AS AS47872
Confidence: 90%
⇄
2024-09-02
New Transit
DCC-BG AS51582 → added provider IPACCT-AS AS31287
Confidence: 90%
⇄
2024-09-02
New Transit
DCC-BG AS51582 → added provider GTT-BACKBONE AS3257
Confidence: 90%
⇄

Renewal Calendar

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

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