HOST-TELECOM

AS51248 · CZ · RIPENCC
5
Upstream providers
3
Downstream customers
12k
v4 addresses
1
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence AF
AS174
AS174
2024-09-01
1y 9mo
2026-06-09
192 peers
AS553 AS924 AS1273 AS1299 AS2500 AS2914 AS3491 AS4128 AS4641 AS4775 AS6082 AS6461 AS6730 AS6830 AS7018 AS8220 AS8888 AS11039 AS12859 AS13030 AS14041 AS14907 AS16276 AS16552 AS17290 AS17350 AS19529 AS19754 AS20080 AS20514 AS28824 AS30950 AS37497 AS37697 AS38726 AS40387 AS40864 AS42541 AS49028 AS49544 AS50304 AS57381 AS57630 AS59414 AS63927 AS197580 AS199524 AS199938 AS210937 AS271253 AS328206 AS398465
v4 v6
TWELVE99
AS1299
2024-09-01
1y 9mo
2026-06-09
144 peers
AS174 AS209 AS701 AS917 AS999 AS1000 AS1031 AS1351 AS2152 AS2500 AS2914 AS3130 AS3320 AS3491 AS3549 AS3701 AS3741 AS4128 AS4641 AS6057 AS6082 AS6453 AS6461 AS6762 AS6830 AS7018 AS7594 AS11039 AS12350 AS12956 AS13830 AS14315 AS14537 AS15605 AS16276 AS16552 AS17350 AS17660 AS19151 AS19529 AS20080 AS23673 AS28329 AS28624 AS31510 AS34177 AS34927 AS35280 AS35710 AS40864 AS49544 AS51185 AS52075 AS52468 AS52873 AS55720 AS56457 AS64112 AS64475 AS132884 AS142289 AS151704 AS197580 AS198385 AS199524 AS212271 AS216285 AS262427 AS262462 AS263009 AS263541 AS264409 AS264845 AS266213 AS271253 AS327960 AS328840
v4 v6
VOXILITY
AS3223
2024-09-01
1y 9mo
2026-06-09
116 peers
AS174 AS209 AS835 AS924 AS955 AS999 AS1031 AS1351 AS2152 AS2500 AS2914 AS3130 AS3257 AS3320 AS3491 AS3549 AS3741 AS4128 AS4641 AS5392 AS5580 AS6082 AS6424 AS6453 AS6461 AS6730 AS6762 AS6830 AS6894 AS7018 AS7594 AS8582 AS11039 AS12956 AS13830 AS14315 AS14537 AS14840 AS15562 AS16276 AS17350 AS17660 AS19529 AS20080 AS20912 AS21700 AS25152 AS28917 AS29504 AS31510 AS34927 AS35710 AS37271 AS39120 AS40864 AS41811 AS49544 AS49605 AS50300 AS51185 AS52075 AS52468 AS53202 AS55720 AS56457 AS57821 AS61138 AS64112 AS64475 AS132825 AS132884 AS136557 AS142289 AS150369 AS151326 AS151704 AS197580 AS198150 AS199524 AS200612 AS212271 AS212317 AS216285 AS263009 AS264409 AS266213 AS271253 AS327960 AS328840
v4 v6
GTT-BACKBONE
AS3257
2026-05-08
1mo
2026-06-09
69 peers
AS209 AS260 AS1031 AS2914 AS3257 AS3320 AS3491 AS4641 AS4775 AS5392 AS5580 AS6424 AS6730 AS6830 AS8220 AS8582 AS12956 AS14907 AS15562 AS15692 AS16276 AS16347 AS17350 AS24516 AS30950 AS32590 AS34927 AS35280 AS35710 AS36924 AS38001 AS38008 AS40864 AS41095 AS41811 AS46997 AS48185 AS49434 AS49605 AS51185 AS52075 AS52468 AS61138 AS61568 AS63956 AS64475 AS132825 AS134823 AS136557 AS150369 AS151326 AS151704 AS199524 AS267613 AS398465
v4 v6
RETN-AS
AS9002
2024-09-01
1y 9mo
2026-06-09
42 peers
AS209 AS3549
v4 v6

Customers (3)

Customer Country First Seen Last Seen IPs Peers Confidence AF
EE
AS62212
EE 2024-09-01
1y 9mo
2026-06-09 7.7k
135 peers
AS209 AS260 AS2500 AS2914 AS3257 AS3320 AS3491 AS3549 AS4128 AS4641 AS5580 AS6082 AS6461 AS6730 AS6830 AS7018 AS8582 AS11039 AS15562 AS16276 AS16552 AS20080 AS35710 AS37697 AS40864 AS41811 AS49544 AS52075 AS52468 AS55720 AS64475 AS134823 AS151704 AS197580 AS199524
v4 v6
ATLEX-AS
AS199669
RU 2024-09-01
1y 9mo
2026-06-09 256
108 peers
AS174 AS209 AS955 AS1031 AS1351 AS2152 AS2500 AS2914 AS3130 AS3257 AS3320 AS3491 AS3549 AS3741 AS4128 AS4641 AS5392 AS5580 AS6082 AS6424 AS6453 AS6461 AS6730 AS6762 AS6830 AS6894 AS7018 AS7594 AS8582 AS13830 AS14315 AS14537 AS14840 AS15562 AS16276 AS17350 AS17660 AS19529 AS20080 AS20912 AS21700 AS25152 AS28917 AS34927 AS35710 AS37271 AS39120 AS40864 AS41811 AS49544 AS49605 AS50300 AS51185 AS52075 AS52468 AS53202 AS55720 AS56457 AS57821 AS61138 AS64112 AS64475 AS132825 AS142289 AS151326 AS151704 AS197580 AS198150 AS199524 AS200612 AS212271 AS212317 AS216285 AS263009 AS264409 AS266213 AS271253 AS328840
v4 v6
retzor-as
AS215305
MD 2026-02-28
3mo
2026-06-09 1.8k
71 peers
AS209 AS260 AS924 AS2500 AS2914 AS3257 AS3320 AS3491 AS3549 AS4128 AS4641 AS5580 AS6082 AS6461 AS6730 AS6830 AS7018 AS8582 AS11039 AS14907 AS15562 AS15692 AS16276 AS16552 AS19529 AS20080 AS37697 AS40864 AS48185 AS49544 AS52468 AS134823 AS151704 AS197580 AS199524
v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

12
v4 prefixes
12k
v4 addresses
5
v6 prefixes
1
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

2026-05-09
New Transit
HOST-TELECOM AS51248 → added provider GTT-BACKBONE AS3257
Confidence: 90%
2026-05-08
Lost Transit
HOST-TELECOM AS51248 → lost provider QUANTCOM-AS AS29208
Confidence: 85% Duration: 613d
2026-04-10
New Transit
HOST-TELECOM AS51248 → added provider QUANTCOM-AS AS29208
Confidence: 90%
2026-03-01
New Transit
retzor-as AS215305 → added provider HOST-TELECOM AS51248
Confidence: 90%
2026-02-27
Lost Transit
HOST-TELECOM AS51248 → lost provider QUANTCOM-AS AS29208
Confidence: 85% Duration: 543d
2025-11-20
Lost Transit
HOST-TELECOM AS51248 → lost provider RETN-AS AS9002
Confidence: 85% Duration: 444d
2025-01-07
Possible Trial
QUANTCOM-AS AS29208 → possible trial with HOST-TELECOM AS51248
Confidence: 60%
2024-11-30
Lost Transit
AS44477 AS44477 → lost provider HOST-TELECOM AS51248
Confidence: 85% Duration: 89d
2024-11-30
Lost Transit
QUANTCOM-AS AS29208 → lost provider HOST-TELECOM AS51248
Confidence: 85% Duration: 1d
2024-11-29
New Transit
QUANTCOM-AS AS29208 → added provider HOST-TELECOM AS51248
Confidence: 90%
2024-11-02
New Transit
HOST-TELECOM AS51248 → added provider RETN-AS AS9002
Confidence: 90%
2024-10-28
Possible Trial
HOST-TELECOM AS51248 → possible trial with RETN-AS AS9002
Confidence: 60% Duration: 17d
2024-10-22
Lost Transit
HOST-TELECOM AS51248 → lost provider RETN-AS AS9002
Confidence: 85% Duration: 50d
2024-09-02
New Transit
ATLEX-AS AS199669 → added provider HOST-TELECOM AS51248
Confidence: 90%
2024-09-02
New Transit
EE AS62212 → added provider HOST-TELECOM AS51248
Confidence: 90%
2024-09-02
New Transit
HOST-TELECOM AS51248 → added provider QUANTCOM-AS AS29208
Confidence: 90%
2024-09-02
New Transit
HOST-TELECOM AS51248 → added provider RETN-AS AS9002
Confidence: 90%
2024-09-02
New Transit
HOST-TELECOM AS51248 → added provider VOXILITY AS3223
Confidence: 90%
2024-09-02
New Transit
HOST-TELECOM AS51248 → added provider TWELVE99 AS1299
Confidence: 90%
2024-09-02
New Transit
HOST-TELECOM AS51248 → added provider AS174 AS174
Confidence: 90%
2024-09-02
New Transit
AS44477 AS44477 → added provider HOST-TELECOM AS51248
Confidence: 90%

Renewal Calendar

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

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