Autonomous System
AS16477 — NCL-203-16477 - Nielsen Consumer LLC(US)
Last fetched
AS16477 is an Autonomous System operated by NCL-203-16477 - Nielsen Consumer LLC and registered in US. As of Thu, 21 May 2026 15:14:18 GMT, it announces 23 routed IP prefixes and peers with 11 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS16477 announces 23 distinct routed prefixes. The 23-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 138.108.3.0/24
- 138.108.32.0/24
- 138.108.33.0/24
- 138.108.36.0/24
- 138.108.80.0/24
- 138.108.81.0/24
- 138.108.82.0/24
- 138.108.96.0/21
- 138.108.104.0/23
- 138.108.106.0/23
- 138.108.115.0/24
- 138.108.136.0/24
- 138.108.137.0/24
- 138.108.141.0/24
- 138.108.140.0/22
- 138.108.143.0/24
- 138.108.144.0/24
- 138.108.150.0/24
- 138.108.152.0/24
- 138.108.154.0/24
- 138.108.155.0/24
- 138.108.157.0/24
- 138.108.162.0/24
Peering ecosystem
11 distinct peers via BGP. The first 11 are listed below.
| Peer ASN | Operator | Country |
|---|---|---|
| AS3356 | LEVEL3 - Level 3 Parent, LLC | US |
| AS139883 | SPTEL-AS-AP SPTEL PTE. LTD. | SG |
| AS55836 | RELIANCEJIO-IN Reliance Jio Infocomm Limited | IN |
| AS46887 | CROWNCASTLE-AS46887 - Crown Castle Fiber LLC | US |
| AS9930 | TTNET-MY TIME dotCom Berhad No. 14, Jalan Majistret U126 Hicom Glenmarie Industrial Park 40150 Shah Alam Selangor, Malaysia | MY |
| AS9924 | TFN-TW Taiwan Fixed Network, Telco and Network Service Provider. | TW |
| AS9457 | DREAMX-AS DREAMLINE CO. | KR |
| AS8220 | COLT COLT Technology Services Group Limited | GB |
| AS7018 | ATT-INTERNET4 - AT&T Enterprises, LLC | US |
| AS6660 | CWASIA | GB |
| AS4755 | TATACOMM-AS TATA Communications formerly VSNL is Leading ISP | IN |
Blast radius
Approximate count of dependent hostnames if AS16477 disappeared from the routing table.
Blast radius: Computing — check back later. The precompute pipeline refreshes this panel within a few days.
MOAS / hijack watch
Prefixes routed by AS16477 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.
No active MOAS conflicts. Every prefix announced by AS16477 is unique to AS16477 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS16477.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS16477"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS countryOr query Whisper from your own LLM workflow via the Whisper MCP server.