UltraNET-AS

AS39184 · +------------------------------------------------------+ | UltraNET Ltd, No1 ISP and Carrier in Bulgaria +------------------------------------------------------+ | + For abuse, spam, etc reports: spam@ultranet.biz | + Peering and network issues: admin@ultranet.biz | + Our as-set is: AS-SET-ULTRANET +------------------------------------------------------+ · BG · RIPENCC
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2
Upstream providers
3
Downstream customers
56k
v4 addresses
0
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence
RETN-AS
AS9002
 2025-01-01
1y 3mo
 2026-04-23
15 peers
AS209 AS3549
TWELVE99
AS1299
 2025-04-01
1y
 2026-04-23
143 peers
AS174 AS917 AS1351 AS2500 AS2734 AS2914 AS3130 AS3257 AS3320 AS3399 AS3491 AS3741 AS4128 AS4608 AS4641 AS5580 AS6057 AS6082 AS6424 AS6461 AS6730 AS6830 AS6894 AS7018 AS8220 AS8582 AS11039 AS11845 AS13830 AS14537 AS15605 AS16260 AS16276 AS16552 AS17350 AS17639 AS19529 AS20080 AS20130 AS20912 AS21700 AS23673 AS24482 AS24516 AS25152 AS28917 AS29140 AS29504 AS30844 AS31510 AS32653 AS32709 AS34800 AS35280 AS35600 AS35710 AS38001 AS38008 AS40864 AS41811 AS45437 AS46997 AS48112 AS48919 AS49434 AS49544 AS52468 AS53062 AS53202 AS53828 AS55720 AS56457 AS57821 AS58057 AS61049 AS61138 AS61568 AS62167 AS63956 AS64112 AS64475 AS132825 AS134823 AS136557 AS150369 AS151326 AS151704 AS197580 AS198150 AS198385 AS199524 AS200612 AS202365 AS212271 AS262427 AS263009 AS263152 AS264409 AS264479 AS264845 AS271253 AS327960 AS328512 AS328840 AS328964 AS394414 AS398465

Customers (3)

Customer Country First Seen Last Seen Peers Confidence
AVALA-AS
AS42293
 BG 2025-01-01
1y 3mo
 2026-04-23
120 peers
AS209 AS3549
vimtv
AS199702
 BG 2025-01-01
1y 3mo
 2026-04-23
123 peers
AS174 AS209 AS917 AS1351 AS2500 AS2734 AS2914 AS3130 AS3257 AS3320 AS3399 AS3491 AS3549 AS3741 AS4128 AS4608 AS4641 AS5580 AS6057 AS6082 AS6424 AS6461 AS6730 AS6830 AS6894 AS7018 AS8220 AS8582 AS11039 AS11845 AS13830 AS14537 AS15605 AS16260 AS16276 AS16552 AS17350 AS17639 AS18106 AS19529 AS20080 AS20130 AS20912 AS21700 AS23673 AS24482 AS24516 AS25152 AS28917 AS29140 AS29504 AS30844 AS31510 AS32653 AS34800 AS35280 AS35710 AS38001 AS38008 AS40864 AS41811 AS45437 AS46997 AS48112 AS48919 AS49434 AS49544 AS52468 AS53062 AS53202 AS53828 AS55720 AS56457 AS57821 AS58057 AS61049 AS61138 AS61568 AS62167 AS63956 AS64112 AS64475 AS132825 AS134823 AS136557 AS150369 AS151326 AS151704 AS197580 AS198150 AS198385 AS199524 AS200612 AS202365 AS212271 AS262427 AS263009 AS263152 AS264409 AS264479 AS264845 AS271253 AS327960 AS328512 AS328840 AS328964 AS394414 AS398465
AS198783
AS198783
 — 2026-04-21
8d
 2026-04-23
109 peers
AS174 AS209 AS917 AS1351 AS2500 AS2734 AS2914 AS3130 AS3257 AS3320 AS3399 AS3491 AS3549 AS3741 AS4128 AS4608 AS4641 AS5580 AS6057 AS6082 AS6424 AS6461 AS6730 AS6830 AS6894 AS7018 AS8220 AS8582 AS11039 AS11845 AS13830 AS14537 AS15605 AS16260 AS16276 AS16552 AS17350 AS17639 AS19529 AS20080 AS20130 AS20912 AS21700 AS23673 AS24482 AS24516 AS25152 AS28917 AS29140 AS29504 AS30844 AS31510 AS32653 AS32709 AS34800 AS35280 AS35600 AS35710 AS38001 AS38008 AS40864 AS41811 AS45437 AS46997 AS48112 AS48919 AS49434 AS49544 AS52468 AS53202 AS53828 AS55720 AS56457 AS57821 AS58057 AS60602 AS61049 AS61138 AS61568 AS62167 AS63956 AS64112 AS64475 AS132825 AS134823 AS136557 AS150369 AS151326 AS151704 AS197580 AS198150 AS198385 AS199524 AS200612 AS202365 AS212271 AS262427 AS263009 AS263152 AS264409 AS264479 AS264845 AS271253 AS327960 AS328512 AS328840 AS328964 AS394414 AS398465

Network Size

IPv4 and IPv6 prefixes originated over time

193
v4 prefixes
56k
v4 addresses
0
v6 prefixes
0
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
2026-04-22
New Transit
AS198783 AS198783 → added provider UltraNET-AS AS39184
Confidence: 90%
⇄
2026-04-21
Lost Transit
ROZA-AS AS212283 → dropped provider UltraNET-AS AS39184
Confidence: 85% Duration: 445d
⇄
2026-04-04
Lost Transit
UltraNET-AS AS39184 → dropped provider RETN-AS AS9002
Confidence: 85% Duration: 457d
⇄
2026-04-03
New Transit
UltraNET-AS AS39184 → added provider RETN-AS AS9002
Confidence: 90%
⇄
2026-01-11
Lost Transit
AVALA-AS AS42293 → dropped provider UltraNET-AS AS39184
Confidence: 85% Duration: 374d
⇄
2026-01-06
Lost Transit
ROZA-AS AS212283 → dropped provider UltraNET-AS AS39184
Confidence: 85% Duration: 340d
⇄
2025-12-27
New Transit
ROZA-AS AS212283 → added provider UltraNET-AS AS39184
Confidence: 90%
⇄
2025-12-26
Lost Transit
AVALA-AS AS42293 → dropped provider UltraNET-AS AS39184
Confidence: 85% Duration: 358d
⇄
2025-12-16
Lost Transit
ROZA-AS AS212283 → dropped provider UltraNET-AS AS39184
Confidence: 85% Duration: 319d
⇄
2025-12-15
New Transit
ROZA-AS AS212283 → added provider UltraNET-AS AS39184
Confidence: 90%
⇄
2025-12-02
Lost Transit
ROZA-AS AS212283 → dropped provider UltraNET-AS AS39184
Confidence: 85% Duration: 305d
⇄
2025-11-20
Lost Transit
AVALA-AS AS42293 → dropped provider UltraNET-AS AS39184
Confidence: 85% Duration: 322d
⇄
2025-11-20
Lost Transit
UltraNET-AS AS39184 → dropped provider RETN-AS AS9002
Confidence: 85% Duration: 322d
⇄
2025-10-16
Possible Trial
UltraNET-AS AS39184 → possible trial with CISBG AS24750
Confidence: 60%
⇄
2025-07-19
Lost Transit
UltraNET-AS AS39184 → dropped provider CISBG AS24750
Confidence: 85%
⇄
2025-04-29
Possible Trial
UltraNET-AS AS39184 → possible trial with AS6939 AS6939
Confidence: 60% Duration: 28d
⇄
2025-04-02
New Transit
ROZA-AS AS212283 → added provider UltraNET-AS AS39184
Confidence: 90%
⇄
2025-04-02
New Transit
vimtv AS199702 → added provider UltraNET-AS AS39184
Confidence: 90%
⇄
2025-04-02
New Transit
AVALA-AS AS42293 → added provider UltraNET-AS AS39184
Confidence: 90%
⇄
2025-04-02
New Transit
UltraNET-AS AS39184 → added provider RETN-AS AS9002
Confidence: 90%
⇄
2025-04-02
New Transit
UltraNET-AS AS39184 → added provider TWELVE99 AS1299
Confidence: 90%
⇄
2025-02-07
New Transit
UltraNET-AS AS39184 → added provider CISBG AS24750
Confidence: 90%
⇄
2025-01-31
New Transit
ROZA-AS AS212283 → added provider UltraNET-AS AS39184
Confidence: 90%
⇄
2025-01-02
New Transit
vimtv AS199702 → added provider UltraNET-AS AS39184
Confidence: 90%
⇄
2025-01-02
New Transit
AVALA-AS AS42293 → added provider UltraNET-AS AS39184
Confidence: 90%
⇄
2025-01-02
New Transit
UltraNET-AS AS39184 → added provider RETN-AS AS9002
Confidence: 90%
⇄
2025-01-02
New Transit
UltraNET-AS AS39184 → added provider AS6939 AS6939
Confidence: 90%
⇄

Renewal Calendar

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

This data is available to subscribers.

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