Comprehensive guides and articles about ASN registration, IP resources, inter-RIR transfers, and LIR management.
Private AS numbers cover labs, data-center fabrics, cloud VPNs and dn42. This page says where the line to a public ASN sits and what an individual needs to get one.
Which ranges and ASN to pick in dn42, how the git registry and ROA filtering work, and what a public ASN requires and costs once you outgrow the lab.
A transparent, sourced comparison of what sponsoring LIRs charge for RIPE ASN registration in 2026: iFog, Bakker IT, ServPerso, Snapserv, Ipregistry, Via-Registry and others, with setup fees, yearly prices, the RIPE NCC fee and the all-in totals.
Eight steps from choosing a registry to your first BGP session, with what each RIR asks for and charges in 2026. Individuals qualify in the RIPE region through a sponsoring LIR.
What an ASN identifies, how BGP builds the AS_PATH from it, which number ranges are public or private, and when running your own ASN is worth the yearly fee.
The multihoming rule, the documents and the 2026 fees for one ASN at each of the five registries, with the policy section cited for every rule.
Eight kinds of networks that hold a public ASN, with their real AS numbers, what each uses it for, and the cases where a private ASN or dn42 does the job.
Registry fees for one ASN at all five RIRs in 2026, the published 2027 changes at the RIPE NCC and ARIN, and the sponsored price next to direct membership.
The peers, routing policy and documents each RIR expects in an ASN request, with fill-in templates and three worked examples.