AS10397 — MOMENTUM
AS10397 announces 21 IPv4 prefixes covering 14,592 addresses and 6 IPv6 prefixes.
About this network
MOMENTUM is Momentum Telecom, Inc., a cloud communications company: hosted voice and UCaaS sold to businesses, plus back-office and broadband-enablement services sold wholesale to cable operators and regional ISPs.
What it's used for
RIS observes 48 IPv4 prefixes carrying 14,848 addresses and 9 IPv6 prefixes out of 2607:b600::/32. The v4 estate is anchored by 209.55.0.0/19 and spread across four distinct legacy ranges (209.55, 208.67.12, 208.85.12x-13x, 162.244.9x), a pattern that comes from acquiring companies and inheriting their address blocks rather than from growing one allocation.
The reverse DNS names both halves of the business. Most sampled addresses resolve under ibbsonline.com (host-209-55-16-5.ibbsonline.com), the domain of Innovative Business Broadband Solutions, the ISP-services outfit Momentum absorbed. One resolves to atllogstash01.momentumbusiness.com — an Atlanta log-aggregation server, i.e. the operator's own platform infrastructure.
Notable
The kind is business services, not eyeball and not transit. The decisive figure is five observed BGP neighbours: a wholesale carrier with 15,000 addresses would peer with hundreds. What lives here is a service platform — session border controllers, softswitches, provisioning, monitoring — reachable by business phones and by the operators who white-label the platform.
Interesting
The ibbsonline.com naming persisting years after the acquisition is a good reminder that rDNS records the platform's history, not its current corporate parent.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 8.20.31.0/24
- 8.34.170.0/24
- 63.209.193.0/24
- 162.244.96.0/22
- 162.244.100.0/23
- 162.244.103.0/24
- 204.16.48.0/24
- 208.67.12.0/22
- 208.85.128.0/23
- 208.85.133.0/24
- 208.85.134.0/23
- 209.55.0.0/21
- 209.55.8.0/23
- 209.55.10.0/24
- 209.55.12.0/22
- 209.55.16.0/20
- 209.209.145.0/24
- 209.209.163.0/24
- 209.209.170.0/23
- 209.209.172.0/24
- 209.209.181.0/24
- 2607:b600::/48
- 2607:b600:2::/48
- 2607:b600:4::/46
- 2607:b600:8::/48
- 2607:b600:10::/48
- 2607:b600:12::/47
Upstream networks
- AS3356 Level 3 Parent, LLC
- AS25645 Momentum Telecom, Inc.
- AS13335 Cloudflare, Inc.
- AS701 Verizon Business
- AS393365 Momentum Telecom, Inc.
Adjacent networks
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