AS18676 — AVAYA - Avaya LLC

AS18676 announces 35 IPv4 prefixes covering 978,944 addresses and 0 IPv6 prefixes.

About this network

The AS handle AVAYA is held by Avaya LLC.

What it's used for

• The address space is carried by netnames such as AVAYA-135-8-11-B and AVAYA-148-147-0-0-B, all registered to Avaya LLC, indicating a corporate internal estate.
• With 978,944 IPv4 addresses across 83 prefixes and only 6 observed neighbours, the ratio suggests a large internal corporate network rather than a transit or access provider.

Notable

• All sampled registrants are Avaya LLC, matching the AS holder.
• Avaya was formerly Avaya Inc. and is an American multinational technology company providing enterprise communications and customer experience software.
• The inventory consists of large blocks in the 135.0.0.0/8 and 148.0.0.0/8 ranges, finely subdivided into /15, /16, /17, /18, and /19 prefixes.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 135.8.0.0/14
• 135.20.0.0/16
• 135.35.0.0/16
• 135.56.1.0/24
• 135.56.3.0/24
• 135.56.7.0/24
• 135.56.9.0/24
• 135.56.10.0/23
• 135.56.12.0/22
• 135.56.16.0/20
• 135.56.32.0/19
• 135.56.64.0/18
• 135.56.128.0/17
• 135.60.0.0/16
• 135.74.0.0/16
• 135.105.0.0/16
• 135.122.0.0/15
• 135.169.0.0/18
• 135.169.64.0/19
• 135.169.96.0/20
• 135.169.122.0/23
• 135.169.126.0/23
• 135.169.128.0/21
• 135.169.138.0/23
• 135.169.142.0/23
• 135.169.144.0/20
• 135.169.160.0/19
• 135.169.192.0/19
• 135.169.224.0/20
• 135.169.240.0/21
• 135.169.250.0/23
• 135.169.252.0/22
• 148.147.0.0/16
• 155.184.136.0/21
• 198.152.0.0/16

Upstream networks

• AS33652 Comcast Cable Communications, LLC
• AS62 CyrusOne LLC
• AS13335 Cloudflare, Inc.
• AS174 Cogent Communications, LLC
• AS3549 Level 3 Parent, LLC
• AS3320 Deutsche Telekom AG

Adjacent networks

• AS33652 Comcast Cable Communications, LLC
• AS62 CyrusOne LLC
• AS13335 Cloudflare, Inc.
• AS174 Cogent Communications, LLC
• AS3549 Level 3 Parent, LLC
• AS3320 Deutsche Telekom AG

Routing security

• RPKI: 3 valid, 0 invalid and 52 not-found announcements; 6 ROAs.
• ASPA: none published.
• IRR: 47% of announcements registered; 121 route objects.
• Listed in as-sets: AS-ATTAP, AS-AVAYA, AS-BTC-UP, AS-C1, AS-C1-IPV6, AS-CLARANETDE, AS-EIRCOM, AS-FUSE, AS-GBLXEU, AS-ITXBR, AS-ITXBR1, AS-KDDCUSTOMER2, AS-NV, AS-NWN-TRANSIT, AS-PNAPDEN, AS-RR-BIZ, AS-SINGNET, AS-TELSTRA-INTL-CUSTOMERS, AS-TELSTRA-INTL-CUSTOMERS-4637, AS-VSNL-IN, AS13335:AS-CUSTOMERS, AS19855:AS-CUSTOMERS, AS3320:AS-DTAG, AS3320:AS-DTAG-V6, AS3491:AS-CUSTOMERS-AP.