FIBERNET-COMMUNICATIONS

AS18883 · MNT-FCL-70 autnum AS18883 · US · ARIN

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3

Upstream providers

5

Downstream customers

13k

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	AF
AS5056 AS5056	2024-09-01 1y 8mo	2026-05-14	188 peers AS209 AS2914 AS3214 AS3257 AS3320 AS3491 AS3549 AS4128 AS5580 AS6453 AS6461 AS6762 AS6830 AS7018 AS8582 AS12956 AS15562 AS16276 AS17660 AS27986 AS31554 AS40864 AS49544 AS52873 AS55720 AS132884 AS151704 AS199524 AS262462 AS263009 AS264409 AS267613 AS398465	v4 v6
AS54578 AS54578	2024-12-27 1y 4mo	2026-05-14	21 peers AS209 AS3214 AS3257 AS3491 AS5580 AS6453 AS6461 AS6762 AS8582 AS12956 AS16276 AS17660 AS27986 AS52873 AS132884 AS262462 AS398465	v4 v6
AS6939 AS6939	2025-08-26 8mo	2026-05-14	17 peers AS209 AS1299 AS13781 AS17350 AS37468 AS47147 AS49028 AS199524 AS209718	v4 v6

Customers (5)

Addr family: All IPv4 IPv6

Customer	Country	First Seen	Last Seen	IPs	Peers	AF
AS15350 AS15350	US	2024-09-01 1y 8mo	2026-05-14	4.4k	99 peers AS209 AS2914 AS3214 AS3257 AS3320 AS3491 AS3549 AS4128 AS5580 AS6453 AS6461 AS6762 AS6830 AS7018 AS8582 AS12956 AS15562 AS16276 AS17660 AS27986 AS31554 AS40864 AS49544 AS52873 AS55720 AS132884 AS151704 AS199524 AS262462 AS263009 AS264409 AS264479 AS267613 AS398465	v4 v6
AS53347 AS53347	US	2024-09-01 1y 8mo	2026-05-14	74k	167 peers AS209 AS260 AS999 AS1031 AS1103 AS2152 AS2500 AS2914 AS3214 AS3257 AS3320 AS3399 AS3491 AS3549 AS4128 AS4641 AS4775 AS5392 AS5580 AS6453 AS6461 AS6730 AS6762 AS6830 AS7018 AS7768 AS8218 AS8220 AS8426 AS8582 AS9002 AS11039 AS12350 AS12956 AS15562 AS16276 AS16552 AS17350 AS17660 AS20080 AS24482 AS27986 AS28329 AS28624 AS28917 AS29140 AS31554 AS32590 AS34177 AS34927 AS35280 AS35710 AS38001 AS40864 AS41095 AS41811 AS48112 AS49434 AS49544 AS49605 AS51185 AS52075 AS52468 AS52873 AS53062 AS53828 AS55720 AS57821 AS64475 AS132884 AS134823 AS138685 AS142289 AS150369 AS151704 AS197580 AS199524 AS216285 AS262462 AS263009 AS263152 AS263541 AS264409 AS264479 AS266213 AS267613 AS268976 AS271253 AS328964 AS398465	v4 v6
AS396878 AS396878	US	2024-09-01 1y 8mo	2026-05-14	7.9k	125 peers AS209 AS2914 AS3214 AS3257 AS3320 AS3491 AS3549 AS4128 AS5580 AS6453 AS6461 AS6762 AS6830 AS7018 AS8582 AS12956 AS15562 AS16276 AS17660 AS27986 AS31554 AS40864 AS49544 AS52873 AS55720 AS132884 AS151704 AS199524 AS262462 AS263009 AS264409 AS264479 AS267613 AS398465	v4 v6
AS399693 AS399693	US	2024-09-01 1y 8mo	2026-05-14	12k	92 peers AS209 AS3257 AS5580 AS7768 AS8582 AS398465	v4 v6
AS401310 AS401310	US	2026-05-06 8d	2026-05-14	—	34 peers AS209 AS701 AS2914 AS3257 AS3320 AS3491 AS5580 AS6453 AS6461 AS6762 AS6830 AS7018 AS7768 AS8582 AS12956 AS17350 AS19529 AS27986 AS32590 AS47147 AS48112 AS49544 AS52468 AS52873 AS64112 AS136557 AS212271 AS262462 AS263009 AS264479 AS267613 AS271253 AS328840 AS398465	v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

40

v4 prefixes

13k

v4 addresses

2

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

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching

2025-12-02

Lost Transit

FIBERNET-COMMUNICATIONS AS18883 → lost provider AS54578 AS54578

Confidence: 85% Duration: 339d

⇄

2025-06-27

Lost Transit

AS6503 AS6503 → lost provider FIBERNET-COMMUNICATIONS AS18883

Confidence: 85% Duration: 6d

⇄

2025-06-25

Lost Transit

FIBERNET-COMMUNICATIONS AS18883 → lost provider AS54578 AS54578

Confidence: 85% Duration: 179d

⇄

2025-05-14

Lost Transit

FIBERNET-COMMUNICATIONS AS18883 → lost provider AS54578 AS54578

Confidence: 85% Duration: 137d

⇄

2024-10-31

Lost Transit

AS394040 AS394040 → lost provider FIBERNET-COMMUNICATIONS AS18883

Confidence: 85% Duration: 59d

⇄

2024-10-31

Lost Transit

FIBERNET-COMMUNICATIONS AS18883 → lost provider AS32867 AS32867

Confidence: 85% Duration: 59d

⇄

2024-10-22

Lost Transit

AS394040 AS394040 → lost provider FIBERNET-COMMUNICATIONS AS18883

Confidence: 85% Duration: 50d

⇄

2024-10-22

Lost Transit

FIBERNET-COMMUNICATIONS AS18883 → lost provider AS32867 AS32867

Confidence: 85% Duration: 50d

⇄

Renewal Calendar

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

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