ASN-WELCOMEITALIA

AS21056 · IT · RIPENCC
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4
Upstream providers
3
Downstream customers
89k
v4 addresses
1
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider First Seen Last Seen Peers Confidence
SEABONE-NET
AS6762
 2025-01-01
1y 3mo
 2026-04-23
265 peers
AS2914 AS3257 AS4641 AS5580 AS6894 AS14907 AS15562 AS16260 AS21700 AS35710 AS44901 AS45437 AS49544 AS51088 AS52468 AS132847
AS3356
AS3356
 2025-01-01
1y 3mo
 2026-04-23
76 peers
AS209 AS1213 AS2500 AS2914 AS3257 AS3320 AS3549 AS4641 AS4775 AS6730 AS8220 AS12956 AS14315 AS16276 AS16552 AS19151 AS24516 AS32590 AS57821 AS61138 AS136557 AS150369 AS328840
GTT-BACKBONE
AS3257
 2025-01-01
1y 3mo
 2026-04-23
31 peers
AS260 AS1031 AS2914 AS3320 AS3491 AS5580 AS6830 AS8220 AS8582 AS12956 AS14315 AS16260 AS17350 AS24516 AS47147 AS48112 AS64475 AS150369 AS199524 AS271253
TWELVE99
AS1299
 2025-01-01
1y 3mo
 2026-04-23
76 peers
AS174 AS1031 AS3130 AS3320 AS3399 AS3491 AS4128 AS6082 AS6453 AS6830 AS7018 AS8220 AS12956 AS16276 AS17660 AS19151 AS24516 AS29504 AS38001 AS44901 AS48112 AS53828 AS55720 AS64112 AS132825 AS132884 AS134823 AS151326 AS151704 AS199524 AS200612 AS327960 AS328964 AS398465

Customers (3)

Customer Country First Seen Last Seen Peers Confidence
TELNETSYSTEMS
AS198320
 IT 2025-01-01
1y 3mo
 2026-04-23
110 peers
AS209 AS3549
comacspait
AS208775
 IT 2025-01-01
1y 3mo
 2026-04-23
79 peers
AS174 AS209 AS1031 AS1213 AS2500 AS2914 AS3130 AS3257 AS3320 AS3399 AS3491 AS3549 AS4128 AS4641 AS4775 AS5580 AS6082 AS6453 AS6730 AS6830 AS6894 AS7018 AS8220 AS12956 AS14315 AS14907 AS15562 AS16260 AS16276 AS16552 AS17660 AS19151 AS21700 AS24516 AS29504 AS32590 AS35710 AS38001 AS44901 AS45437 AS48112 AS49544 AS52468 AS53828 AS55720 AS57821 AS61138 AS64112 AS132825 AS132847 AS132884 AS134823 AS136557 AS150369 AS151326 AS151704 AS199524 AS200612 AS327960 AS328840 AS328964 AS398465
SNAPSYS-AS
AS210224
 IT 2025-01-01
1y 3mo
 2026-04-23
56 peers
AS209 AS2914 AS3549 AS15562 AS51088

Network Size

IPv4 and IPv6 prefixes originated over time

41
v4 prefixes
89k
v4 addresses
1
v6 prefixes
1
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
2025-11-26
New Transit
ASN-WELCOMEITALIA AS21056 → added provider AS3356 AS3356
Confidence: 90%
⇄
2025-11-20
Lost Transit
ASN-WELCOMEITALIA AS21056 → dropped provider AS3356 AS3356
Confidence: 85% Duration: 322d
⇄
2025-08-18
Possible Trial
ISS AS212394 → possible trial with ASN-WELCOMEITALIA AS21056
Confidence: 60%
⇄
2025-05-21
Lost Transit
ISS AS212394 → dropped provider ASN-WELCOMEITALIA AS21056
Confidence: 85%
⇄
2025-04-02
New Transit
SNAPSYS-AS AS210224 → added provider ASN-WELCOMEITALIA AS21056
Confidence: 90%
⇄
2025-04-02
New Transit
comacspait AS208775 → added provider ASN-WELCOMEITALIA AS21056
Confidence: 90%
⇄
2025-04-02
New Transit
TELNETSYSTEMS AS198320 → added provider ASN-WELCOMEITALIA AS21056
Confidence: 90%
⇄
2025-04-02
New Transit
HOST-SPA AS47242 → added provider ASN-WELCOMEITALIA AS21056
Confidence: 90%
⇄
2025-04-02
New Transit
ASN-WELCOMEITALIA AS21056 → added provider SEABONE-NET AS6762
Confidence: 90%
⇄
2025-04-02
New Transit
ASN-WELCOMEITALIA AS21056 → added provider AS3356 AS3356
Confidence: 90%
⇄
2025-04-02
New Transit
ASN-WELCOMEITALIA AS21056 → added provider GTT-BACKBONE AS3257
Confidence: 90%
⇄
2025-04-02
New Transit
ASN-WELCOMEITALIA AS21056 → added provider TWELVE99 AS1299
Confidence: 90%
⇄
2025-01-23
New Transit
SNAPSYS-AS AS210224 → added provider ASN-WELCOMEITALIA AS21056
Confidence: 90%
⇄
2025-01-17
Lost Transit
SNAPSYS-AS AS210224 → dropped provider ASN-WELCOMEITALIA AS21056
Confidence: 85% Duration: 15d
⇄
2025-01-02
New Transit
SNAPSYS-AS AS210224 → added provider ASN-WELCOMEITALIA AS21056
Confidence: 90%
⇄
2025-01-02
New Transit
comacspait AS208775 → added provider ASN-WELCOMEITALIA AS21056
Confidence: 90%
⇄
2025-01-02
New Transit
TELNETSYSTEMS AS198320 → added provider ASN-WELCOMEITALIA AS21056
Confidence: 90%
⇄
2025-01-02
New Transit
HOST-SPA AS47242 → added provider ASN-WELCOMEITALIA AS21056
Confidence: 90%
⇄
2025-01-02
New Transit
ASN-WELCOMEITALIA AS21056 → added provider SEABONE-NET AS6762
Confidence: 90%
⇄
2025-01-02
New Transit
ASN-WELCOMEITALIA AS21056 → added provider AS3356 AS3356
Confidence: 90%
⇄
2025-01-02
New Transit
ASN-WELCOMEITALIA AS21056 → added provider GTT-BACKBONE AS3257
Confidence: 90%
⇄
2025-01-02
New Transit
ASN-WELCOMEITALIA AS21056 → added provider TWELVE99 AS1299
Confidence: 90%
⇄

Renewal Calendar

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

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