RPKI Lookup

Route Origin Authorization Search

Enter an AS number or IP prefix to find Route Origin Authorizations

910,915 ROAs and 6,646 ASPAs from 5 trust anchors. Last updated: 04:32, May 29, 2026 UTC

ROAs for AS4837

100 of 728 ROAs
ASN Prefix Max Length Trust Anchor Expires
AS4837 43.239.120.0/24 /24 APNIC 2026-05-29
AS4837 43.248.96.0/21 /24 APNIC 2026-05-29
AS4837 43.248.202.0/23 /23 APNIC 2026-05-30
AS4837 103.221.142.0/24 /24 APNIC 2026-05-30
AS4837 117.48.148.0/22 /22 APNIC 2026-05-30
AS4837 117.48.152.0/22 /22 APNIC 2026-05-30
AS4837 117.72.0.0/16 /24 APNIC 2026-05-29
AS4837 211.91.176.0/21 /21 APNIC 2026-05-30
AS4837 220.192.160.0/20 /20 APNIC 2026-05-30
AS4837 220.192.176.0/21 /21 APNIC 2026-05-30
AS4837 220.192.184.0/22 /22 APNIC 2026-05-30
AS4837 43.226.116.0/22 /24 APNIC 2026-05-29
AS4837 43.240.0.0/24 /24 APNIC 2026-05-30
AS4837 43.241.48.0/24 /24 APNIC 2026-05-30
AS4837 125.46.51.0/24 /24 APNIC 2026-05-30
AS4837 180.188.16.0/20 /32 APNIC 2026-05-30
AS4837 180.188.41.0/24 /25 APNIC 2026-05-29
AS4837 202.110.92.0/24 /24 APNIC 2026-05-30
AS4837 211.92.224.0/20 /20 APNIC 2026-05-30
AS4837 218.26.225.0/24 /24 APNIC 2026-05-30
AS4837 218.69.89.0/24 /24 APNIC 2026-05-30
AS4837 218.69.95.0/24 /24 APNIC 2026-05-30
AS4837 220.192.192.0/20 /20 APNIC 2026-05-30
AS4837 221.3.224.0/22 /22 APNIC 2026-05-30
AS4837 221.208.160.0/22 /22 APNIC 2026-05-30
AS4837 2408:8000:a000::/36 /36 APNIC 2026-05-30
AS4837 2408:8001:5000::/36 /36 APNIC 2026-05-30
AS4837 2408:8363::/32 /32 APNIC 2026-05-30
AS4837 2408:836c::/32 /32 APNIC 2026-05-30
AS4837 2408:8620::/32 /32 APNIC 2026-05-30
AS4837 2408:866c:200::/42 /42 APNIC 2026-05-30
AS4837 14.205.40.0/21 /21 APNIC 2026-05-30
AS4837 27.50.132.0/24 /24 APNIC 2026-05-30
AS4837 43.248.184.0/21 /21 APNIC 2026-05-30
AS4837 43.248.204.0/22 /22 APNIC 2026-05-30
AS4837 43.250.200.0/22 /22 APNIC 2026-05-30
AS4837 58.19.0.0/16 /16 APNIC 2026-05-30
AS4837 60.28.4.0/22 /22 APNIC 2026-05-30
AS4837 60.28.8.0/24 /24 APNIC 2026-05-30
AS4837 103.36.208.0/22 /32 APNIC 2026-05-30
AS4837 103.37.47.0/24 /24 APNIC 2026-05-30
AS4837 103.40.12.0/22 /22 APNIC 2026-05-30
AS4837 103.40.192.0/22 /22 APNIC 2026-05-30
AS4837 103.83.72.0/22 /22 APNIC 2026-05-30
AS4837 103.85.84.0/22 /24 APNIC 2026-05-29
AS4837 103.215.36.0/24 /24 APNIC 2026-05-30
AS4837 103.234.56.0/24 /24 APNIC 2026-05-30
AS4837 113.4.64.0/18 /18 APNIC 2026-05-30
AS4837 113.204.33.0/24 /24 APNIC 2026-05-30
AS4837 116.129.128.0/18 /18 APNIC 2026-05-30
AS4837 119.62.56.0/22 /22 APNIC 2026-05-30
AS4837 119.62.140.0/22 /22 APNIC 2026-05-30
AS4837 119.62.156.0/22 /22 APNIC 2026-05-30
AS4837 120.132.96.0/20 /20 APNIC 2026-05-30
AS4837 183.92.0.0/14 /14 APNIC 2026-05-30
AS4837 202.110.67.0/24 /24 APNIC 2026-05-30
AS4837 220.192.208.0/21 /21 APNIC 2026-05-30
AS4837 220.197.176.0/20 /20 APNIC 2026-05-30
AS4837 2403:4ec0::/32 /128 APNIC 2026-05-29
AS4837 2408:8723::/32 /32 APNIC 2026-05-30
AS4837 2408:8920::/32 /32 APNIC 2026-05-30
AS4837 14.204.0.0/15 /15 APNIC 2026-05-30
AS4837 14.205.4.0/22 /22 APNIC 2026-05-30
AS4837 36.51.253.0/24 /24 APNIC 2026-05-30
AS4837 42.228.2.0/24 /24 APNIC 2026-05-30
AS4837 58.21.0.0/16 /16 APNIC 2026-05-30
AS4837 60.222.220.0/24 /24 APNIC 2026-05-30
AS4837 61.136.64.0/18 /18 APNIC 2026-05-30
AS4837 61.136.70.0/23 /23 APNIC 2026-05-30
AS4837 103.37.46.0/24 /24 APNIC 2026-05-30
AS4837 103.221.140.0/24 /24 APNIC 2026-05-30
AS4837 103.239.244.0/22 /24 APNIC 2026-05-30
AS4837 114.114.0.0/18 /24 APNIC 2026-05-30
AS4837 114.114.96.0/20 /24 APNIC 2026-05-30
AS4837 115.85.192.0/18 /18 APNIC 2026-05-30
AS4837 117.48.144.0/22 /22 APNIC 2026-05-30
AS4837 117.48.156.0/22 /22 APNIC 2026-05-30
AS4837 119.62.0.0/16 /16 APNIC 2026-05-30
AS4837 123.15.38.0/24 /24 APNIC 2026-05-30
AS4837 125.46.29.0/24 /24 APNIC 2026-05-30
AS4837 125.46.87.0/24 /24 APNIC 2026-05-30
AS4837 150.242.235.0/24 /32 APNIC 2026-05-29
AS4837 202.91.224.0/21 /21 APNIC 2026-05-30
AS4837 211.91.128.0/19 /19 APNIC 2026-05-30
AS4837 211.92.136.0/21 /21 APNIC 2026-05-30
AS4837 211.93.24.0/21 /21 APNIC 2026-05-30
AS4837 220.192.96.0/19 /19 APNIC 2026-05-30
AS4837 220.194.140.0/24 /24 APNIC 2026-05-30
AS4837 221.3.128.0/17 /17 APNIC 2026-05-30
AS4837 222.136.190.0/24 /24 APNIC 2026-05-30
AS4837 222.162.0.0/16 /16 APNIC 2026-05-30
AS4837 2408:8000:8010::/47 /47 APNIC 2026-05-30
AS4837 2408:8182:c000::/40 /40 APNIC 2026-05-30
AS4837 2408:8351::/32 /32 APNIC 2026-05-30
AS4837 2408:8354::/32 /32 APNIC 2026-05-30
AS4837 2408:8621::/32 /32 APNIC 2026-05-30
AS4837 2408:8721::/32 /32 APNIC 2026-05-30
AS4837 2408:8753::/32 /32 APNIC 2026-05-30
AS4837 14.204.40.0/22 /22 APNIC 2026-05-30
AS4837 43.240.2.0/24 /24 APNIC 2026-05-30

Showing 100 of 728 ROAs. Use the API for complete data.

API Access

JSON API

Access RPKI data programmatically. Current snapshots are free; historical data requires an Organization tier API key.

Route Validation (RFC 6811)

GET /any53/rpki/api/validate/?prefix=193.0.0.0/21&asn=3333
curl -sS "https://www.any53.com/any53/rpki/api/validate/?prefix=193.0.0.0/21&asn=3333" | jq .
{
  "prefix": "193.0.0.0/21",
  "asn": 3333,
  "status": "valid",
  "message": "Route is covered by a valid ROA",
  "matching_roa": {
    "asn": 3333,
    "prefix": "193.0.0.0/21",
    "max_length": 21,
    "trust_anchor": "ripe"
  }
}

List ROAs by ASN

GET /any53/rpki/api/roas/?asn=3333
curl -sS "https://www.any53.com/any53/rpki/api/roas/?asn=3333" | jq .

Covering/Contained Prefixes

GET /any53/rpki/api/roas/covering/193.0.0.0/24/
# Less-specific (covering) ROAs
curl -sS "https://www.any53.com/any53/rpki/api/roas/covering/193.0.0.0/24/" | jq .

# More-specific (contained) ROAs
curl -sS "https://www.any53.com/any53/rpki/api/roas/contained/193.0.0.0/16/" | jq .

ROA Change History

Track when ROAs were added, removed, or modified. Requires Organization tier.

GET /any53/rpki/api/history/?asn=3333&since=2026-01-01
curl -H "X-API-Key: ${YOUR_API_KEY}" \
  "https://www.any53.com/any53/rpki/api/history/?asn=3333&since=2026-01-01" | jq .
{
  "count": 3,
  "history": [
    {
      "timestamp": "2026-01-15T08:30:00Z",
      "change_type": "added",
      "asn": 3333,
      "prefix": "193.0.10.0/24",
      "max_length": 24,
      "trust_anchor": "ripe"
    },
    {
      "timestamp": "2026-01-10T14:15:00Z",
      "change_type": "modified",
      "asn": 3333,
      "prefix": "193.0.0.0/21",
      "max_length": 21,
      "expires": "2026-06-01T00:00:00Z",
      "old_expires": "2026-03-01T00:00:00Z"
    }
  ]
}

Endpoints

Endpoint Description Tier
GET /rpki/api/validate/ RFC 6811 route validation Free
GET /rpki/api/roas/ List ROAs (filter by ASN, prefix, TA) Free
GET /rpki/api/roas/covering/{prefix}/ Find less-specific ROAs Free
GET /rpki/api/roas/contained/{prefix}/ Find more-specific ROAs Free
GET /rpki/api/aspas/ List ASPAs (filter by customer, provider) Free
GET /rpki/api/snapshots/ List recent import snapshots Free
GET /rpki/api/history/ ROA change history (when did X happen?) Organization

Rate Limits

Tier Rate Limit Features
Anonymous 100/hour Current snapshot only
Verified 600/hour Current snapshot only
Organization 6000/hour Historical data, change tracking

Generate API Key

Get a free API key to start making requests. Provide an email to upgrade to the verified tier (600 requests/hour).

About RPKI

Resource Public Key Infrastructure (RPKI) enables network operators to cryptographically attest to the IP prefixes they are authorized to originate.

A Route Origin Authorization (ROA) binds an IP prefix to an AS number, allowing routers to validate BGP announcements and reject hijacks.

Trust Anchor Coverage

Data sourced from the five Regional Internet Registry trust anchors.

Trust Anchor ROAs
RIPE NCC 345,135
ARIN 253,447
APNIC 241,338
LACNIC 42,255
AFRINIC 28,740