Bogon ASN
Reserved or special-use ASN ranges that should never appear in real BGP announcements.
| ID | bogon_asn_v1 |
|---|---|
| Formats | csvgz |
| Update Frequency | Daily |
| Last Updated | September 21st 2026 (today) |
| Entries | 14 |
File Size (csvgz) | 264 B |
Overview
Useful for flagging routing data that references private, documentation-only, or otherwise-invalid ASNs.
Formats
curl -L -o bogon_asn_v1.csv.gz -X GET "https://internetdata.io/api/v2/database/download?id=bogon_asn_v1&format=csvgz&apikey=$APIKEY"Schema
| Name | Type | Description |
|---|---|---|
start_asn | integer | Start ASN of the bogon range. |
end_asn | integer | End ASN of the bogon range. |
description | string | Human-readable description of the reserved/bogon ASN range. |
Samples
| start_asn | end_asn | description |
|---|---|---|
65536 | 65551 | Reserved for use in documentation and sample code |
0 | 0 | Reserved |
4200000000 | 4294967294 | Reserved for Private Use |
275869 | 327679 | Unallocated |
4294967295 | 4294967295 | Reserved |