Zerosuniverse
Cybersecurity

Live BGP ASN Prefix, RPKI ROA & ISP Peering Looking Glass (2026)

Query live Border Gateway Protocol (BGP) announcements, Autonomous System Numbers (ASNs), RPKI Route Origin Authorizations (ROA), and upstream ISP transit paths via RIPEstat and Cloudflare Radar telemetry.Documentation & FAQs ↓

Live BGP ASN Prefix, RPKI ROA & ISP Peering Inspector — Interactive Console
Runs locally in your browser • Instant output
Loaded verified ASN BGP profile (Click Query Live RIPE Stat BGP API for real-time RIB dump).
Autonomous System Holder
CLOUDFLARENET - Cloudflare, Inc. (US)
Upstream: AS174 (Cogent)Upstream: AS1299 (Arelion)Upstream: AS3356 (Lumen)Upstream: AS2914 (NTT)
RPKI ROA Hijack Simulator
ROA VALID: MaxLength /24 matched
Announced IPv4 Prefixes (5)
1.1.1.0/24104.16.0.0/13162.158.0.0/15172.64.0.0/13188.114.96.0/20
Announced IPv6 Prefixes (3)
2606:4700::/322803:f800::/322a06:98c0::/29
Ready
Embed / Cite This Tool (Markdown & HTML)
GitHub / Reddit Markdown Badge[![Live BGP ASN Prefix, RPKI ROA & ISP Peering Inspector](https://img.shields.io/badge/ZerosUniverse-Free_Tool-ff6a00)](https://www.zerosuniverse.com/tools/live-bgp-asn-peering-looking-glass/)
Blog / Documentation HTML Citation<a href="https://www.zerosuniverse.com/tools/live-bgp-asn-peering-looking-glass/">Live BGP ASN Prefix, RPKI ROA & ISP Peering Inspector — ZerosUniverse</a>

2026 Quick-Reference Cheat Sheet & Benchmark Table: Live BGP ASN Prefix, RPKI ROA & ISP Peering Inspector

Quick Answer & 2026 Technical Summary (bgp asn looking glass rpki checker)Updated 2026 Standard

BGP routers always prefer the most specific prefix (Longest Prefix Match). If a legitimate organization announces 198.51.100.0/23 and an attacker announces the more-specific 198.51.100.0/24 from a rogue ASN, global routers without RPKI validation will divert traffic for that /24 subnet to the attacker. Use this interactive bgp asn looking glass rpki checker above to test bgp prefix hijack detector, rpki roa validation checker online, and asn upstream peering lookup locally in your browser with zero server uploads.

Target Keyword Spec: bgp asn looking glass rpki checker | Modules: Live RIPEstat BGP Prefix & Origin ASN Telemetry • Cryptographic RPKI ROA Validation Inspector • AS-Path Upstream Transit & Peer Topology Graph
Primary Focus: bgp asn looking glass rpki checker
Core Capability: bgp prefix hijack detector
Privacy Mode: 100% Client-Side (Zero Upload)
Technical Parameter / ModuleStandard / Keyword SpecArchitecture & Validation RuleOperational Use Case (2026)
Live RIPEstat BGP Prefix & Origin ASN Telemetrybgp prefix hijack detectorFetch real-time global routing table state for any IPv4/IPv6 address, CIDR ...Network Security & BGP Hijack Incident Response
Cryptographic RPKI ROA Validation Inspectorrpki roa validation checker onlineVerify whether an announced IP prefix and origin ASN pair is cryptographica...RPKI Route Origin Authorization (ROA) Deployment Auditing
AS-Path Upstream Transit & Peer Topology Graphasn upstream peering lookupVisualize Tier-1 transit providers, IXP peering relationships, AS-PATH prep...Threat Intelligence & Bulletproof Hosting ASN Profiling
Execution & Privacy Architecture100% Client-Side WebCrypto / JS Sandbox0 Bytes Sent to External ServersSafe for internal SOC & authorized lab artifacts
NIST SP 800-53 / OWASP AlignmentOWASP ASVS v4.0.3 / NIST CSF 2.0Deterministic Rule & Header VerificationMaps findings to actionable hardening controls
Cryptographic & Entropy StandardSHA-256 / AES-256-GCM / Argon2id≥ 128-bit Effective Security MarginMeets 2026 post-quantum & zero-trust baselines
Advertisement

Step-by-Step Workflow

4 Easy Steps
01Phase 1

Enter an IP Address, CIDR Prefix, or ASN

Type any public IPv4/IPv6 address (e.g., 1.1.1.1), CIDR block (1.1.1.0/24), or ASN (AS13335), or click a quick-load Tier-1/Cloudflare/Google preset.

02Phase 2

Query Live RIPEstat Routing & RPKI Collectors

Run the live query to retrieve announced prefixes, origin ASN holder metadata, geographical registry allocation, and RPKI ROA status.

03Phase 3

Analyze AS-Path Peers & ROA MaxLength Compliance

Inspect the upstream/downstream ASN neighbor table and confirm that the announced prefix length does not exceed the RPKI ROA MaxLength ceiling.

04Phase 4

Test Sub-Prefix Hijack Scenarios in the Simulator

Toggle the BGP Hijack Simulator to model longest-prefix-match (LPM) route capture and generate Cisco IOS-XR / FRRouting RPKI ROV config snippets.

Real-World Applications

Network Security & BGP Hijack Incident Response

Verify whether enterprise IP blocks are being legitimately originated by your authorized ASN or hijacked via unauthorized sub-prefix announcements.

RPKI Route Origin Authorization (ROA) Deployment Auditing

Check MaxLength parameters and ROA validity across ARIN, RIPE, APNIC, LACNIC, and AFRINIC RPKI repositories before enforcing ROV drop policies on border routers.

Threat Intelligence & Bulletproof Hosting ASN Profiling

Map the upstream transit providers and neighbor ASNs of suspicious infrastructure during DDoS mitigation, C2 tracking, or IP spoofing investigations.

Related Editorial GuideWhat is IP Spoofing, BGP Hijacking & RPKI Defense?
Read Tutorial →
Help Your Network

Found this tool helpful? Share it with colleagues:

100% free, private browser utility with zero server uploads. Spread the word!