FIBERING

AS51569 · IT · RIPENCC

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2

Upstream providers

3

Downstream customers

17k

v4 addresses

8

v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Addr family: All IPv4 IPv6

Provider	First Seen	Last Seen	Peers	Confidence	AF
AS3356 AS3356	2024-09-01 1y 9mo	2026-06-09	202 peers AS174 AS209 AS260 AS835 AS852 AS917 AS924 AS999 AS1031 AS1103 AS1140 AS1213 AS1351 AS1828 AS2500 AS2914 AS3130 AS3214 AS3257 AS3320 AS3333 AS3399 AS3491 AS3549 AS4128 AS4641 AS4775 AS5580 AS6082 AS6424 AS6453 AS6461 AS6730 AS6762 AS6830 AS6894 AS7018 AS8220 AS8426 AS8582 AS11039 AS12859 AS12956 AS14315 AS14630 AS14907 AS15562 AS15692 AS16276 AS16552 AS17660 AS19151 AS19529 AS20080 AS21700 AS22652 AS24516 AS28917 AS29075 AS29140 AS29504 AS31510 AS32590 AS34800 AS34927 AS35266 AS35710 AS38001 AS38880 AS39122 AS40864 AS40994 AS41073 AS44901 AS45352 AS45437 AS45489 AS47147 AS47692 AS48070 AS49434 AS49544 AS51185 AS52075 AS52320 AS52468 AS53828 AS55222 AS55720 AS56457 AS56987 AS57821 AS58511 AS59414 AS61049 AS61138 AS61568 AS61832 AS63956 AS64112 AS64475 AS132825 AS132884 AS134823 AS136557 AS142271 AS142289 AS150369 AS151326 AS151704 AS197580 AS199524 AS200612 AS202365 AS212271 AS216285 AS262427 AS265721 AS271253 AS327960 AS328840 AS398465		v4 v6
TWELVE99 AS1299	2024-12-18 1y 5mo	2026-06-09	147 peers AS174 AS209 AS260 AS293 AS513 AS701 AS917 AS999 AS1000 AS1031 AS1213 AS1221 AS1273 AS1351 AS2500 AS2914 AS3130 AS3170 AS3257 AS3303 AS3320 AS3399 AS3491 AS3701 AS4128 AS4775 AS5580 AS6057 AS6082 AS6204 AS6424 AS6453 AS6461 AS6730 AS6762 AS6830 AS6894 AS7018 AS7594 AS7713 AS7768 AS8218 AS8220 AS8426 AS8582 AS11039 AS12956 AS13786 AS14315 AS14537 AS14840 AS15562 AS16276 AS16552 AS17350 AS17660 AS19151 AS19529 AS21700 AS24482 AS24516 AS28624 AS29504 AS29680 AS30844 AS31122 AS31510 AS32590 AS34800 AS35280 AS35710 AS37271 AS37497 AS38001 AS38008 AS40864 AS44097 AS44901 AS45437 AS45701 AS46997 AS47147 AS47957 AS48919 AS49544 AS49605 AS50300 AS50673 AS51873 AS52075 AS52468 AS52873 AS53062 AS53202 AS53828 AS56457 AS61049 AS63956 AS64112 AS64475 AS132884 AS136557 AS137409 AS142271 AS150369 AS197580 AS199524 AS202365 AS206271 AS212271 AS215230 AS216285 AS262427 AS262462 AS263009 AS263152 AS264409 AS264479 AS264845 AS266213 AS267613 AS271253 AS327804 AS327960 AS328206 AS328840 AS328964 AS398465		v4 v6

Customers (3)

Addr family: All IPv4 IPv6

Customer	Country	First Seen	Last Seen	IPs	Peers	AF
FASTNET-BKB-ASN AS8265	IT	2024-09-01 1y 9mo	2026-06-09	9.2k	125 peers AS209 AS260 AS293 AS513 AS701 AS917 AS999 AS1000 AS1031 AS1213 AS1221 AS1273 AS1351 AS2500 AS2914 AS3130 AS3170 AS3257 AS3303 AS3320 AS3399 AS3491 AS3701 AS4128 AS4775 AS5580 AS6057 AS6082 AS6204 AS6424 AS6453 AS6461 AS6730 AS6762 AS6830 AS6894 AS7018 AS7594 AS7713 AS7768 AS8218 AS8220 AS8426 AS8582 AS12956 AS13786 AS14315 AS14537 AS14840 AS15562 AS16276 AS16552 AS17350 AS17660 AS19151 AS19529 AS21700 AS24482 AS24516 AS28624 AS29680 AS30844 AS31122 AS31510 AS32590 AS35280 AS35710 AS37271 AS37497 AS38001 AS38008 AS44097 AS44901 AS45437 AS45701 AS46997 AS47147 AS47957 AS48919 AS49544 AS49605 AS50300 AS50673 AS51873 AS52075 AS52468 AS52873 AS53062 AS53202 AS53828 AS56457 AS63956 AS64112 AS64475 AS136557 AS137409 AS142271 AS150369 AS197580 AS199524 AS202365 AS206271 AS212271 AS215230 AS216285 AS262427 AS262462 AS263009 AS263152 AS264409 AS264479 AS264845 AS266213 AS267613 AS271253 AS327804 AS327960 AS328206 AS328840 AS328964 AS398465	v4 v6
profexional AS209358	IT	2024-09-01 1y 9mo	2026-06-09	2k	197 peers AS174 AS209 AS999 AS1031 AS1103 AS1213 AS1351 AS2500 AS2914 AS3130 AS3257 AS3320 AS3399 AS3491 AS3549 AS4128 AS4641 AS4775 AS5580 AS6082 AS6424 AS6453 AS6461 AS6730 AS6762 AS6830 AS6894 AS7018 AS8220 AS8426 AS8582 AS11039 AS12956 AS14315 AS14907 AS15562 AS16276 AS16552 AS17660 AS19151 AS19529 AS20080 AS20912 AS21700 AS24516 AS28917 AS29140 AS29504 AS31510 AS32590 AS34800 AS35710 AS38001 AS40864 AS44901 AS45437 AS45489 AS47692 AS48070 AS49434 AS49544 AS51185 AS52075 AS52468 AS53828 AS55720 AS56457 AS57821 AS61049 AS61138 AS63956 AS64112 AS64475 AS132825 AS132884 AS134823 AS136557 AS142271 AS142289 AS150369 AS151326 AS151704 AS197580 AS199524 AS200612 AS202365 AS212271 AS216285 AS327960 AS328840	v4 v6
ELETTROPICCOLI AS213004	IT	2024-09-01 1y 9mo	2026-06-09	768	185 peers AS174 AS209 AS260 AS835 AS852 AS917 AS924 AS999 AS1031 AS1103 AS1213 AS1351 AS1828 AS2500 AS2518 AS2914 AS3130 AS3214 AS3257 AS3320 AS3333 AS3399 AS3491 AS3549 AS4128 AS4641 AS4775 AS5580 AS6082 AS6424 AS6453 AS6461 AS6730 AS6830 AS6894 AS7018 AS8218 AS8220 AS8426 AS8582 AS8888 AS11039 AS12859 AS12956 AS13237 AS14315 AS14630 AS14907 AS15562 AS15605 AS15692 AS16276 AS16552 AS17660 AS19151 AS19529 AS20080 AS21700 AS22652 AS24482 AS24516 AS28917 AS29075 AS29140 AS29504 AS31510 AS32590 AS34927 AS35266 AS35710 AS37239 AS37468 AS37697 AS38001 AS38880 AS39122 AS40864 AS40994 AS41073 AS44901 AS45352 AS45437 AS45489 AS47147 AS47692 AS48070 AS49434 AS49544 AS52075 AS52320 AS52468 AS53828 AS55222 AS55720 AS56987 AS57821 AS58511 AS58717 AS59105 AS59414 AS60602 AS61049 AS61138 AS61568 AS61832 AS63956 AS64112 AS64475 AS132825 AS132884 AS134823 AS136557 AS137409 AS142271 AS142289 AS150369 AS151326 AS151704 AS197580 AS199524 AS200612 AS207841 AS212271 AS215230 AS265721 AS271253 AS327960 AS328840 AS328964 AS398465	v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

12

v4 prefixes

17k

v4 addresses

1

v6 prefixes

8

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

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching

2025-06-20

New Transit

FIBERING AS51569 → added provider ASN-AEMNET AS39636

Confidence: 90%

⇄

2024-12-19

New Transit

FIBERING AS51569 → added provider TWELVE99 AS1299

Confidence: 90%

⇄

2024-09-02

New Transit

ELETTROPICCOLI AS213004 → added provider FIBERING AS51569

Confidence: 90%

⇄

2024-09-02

New Transit

profexional AS209358 → added provider FIBERING AS51569

Confidence: 90%

⇄

2024-09-02

New Transit

CSIGE AS200813 → added provider FIBERING AS51569

Confidence: 90%

⇄

2024-09-02

New Transit

FIBERING AS51569 → added provider AS3356 AS3356

Confidence: 90%

⇄

2024-09-02

New Transit

FASTNET-BKB-ASN AS8265 → added provider FIBERING AS51569

Confidence: 90%

⇄

Renewal Calendar

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

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