AS19855 MASERGY - Masergy Communications, Inc.
🇺🇸ARINassigned
Announced Prefixes (BGP)
104total
99 IPv45 IPv6
IPv4 Addresses
Allocated (RIR)123,904
Announced (BGP)198,656
IPv6 Addresses
Allocated (RIR)2.3×10²⁹
Announced (BGP)2.3×10²⁹
Announced Prefixes
(BGP)104|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
45.45.151.0/24MOAS | No ROA | - | 2026-10-11 |
| No ROA | ARINOther IRR | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | ARIN | 2026-10-11 | |
| No ROA | - | 2026-10-11 |
1-10 of 104
1 / 11
Allocated Prefixes
(RIR)10Prefix | Country | RIR | Status |
|---|---|---|---|
| 64.47.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 64.138.0.0/17 | 🇺🇸 US | ARIN | allocated |
| 64.138.128.0/18 | 🇺🇸 US | ARIN | allocated |
| 80.241.64.0/20 | 🇺🇸 US | RIPENCC | allocated |
| 93.187.16.0/21 | 🇺🇸 US | RIPENCC | allocated |
| 94.199.128.0/21 | 🇺🇸 US | RIPENCC | allocated |
| 185.60.28.0/22 | 🇺🇸 US | RIPENCC | allocated |
| 2402:2100::/32 | 🇭🇰 HK | APNIC | allocated |
| 2607:fa70::/32 | 🇺🇸 US | ARIN | allocated |
| 2a03:6580::/32 | 🇺🇸 US | RIPENCC | allocated |
All 104 announced prefixes of AS19855 →
BGP Neighbours
(seen in AS paths)Upstreams (8)
Networks AS19855 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (14)
Networks whose own prefixes AS19855 passes on: usually its customers.
- AS12222Akamai Technologies7
- AS40399Masergy Cloud Communications7
- AS26428The Talbots3
- AS15027Foley Hoag LLP2
- AS543HP1
- AS11199ShowNets1
- AS14514Paul, Hastings, Janofsky & Walker LLP1
- AS15126Suzuki Marine USA1
- AS16541Erickson Living Management1
- AS20340CallTower1
- AS23406CHOATE, HALL & STEWART, LLP1
- AS33054McCracken Financial Software1
- AS394301Dexcom1
- AS400084CSRA State And Local Solutions1
ASPA
No ASPA
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS19855 should publish an ASPA object
- IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/19855Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/19855" | jq