subnet.im

197.217.16.0/20

Not announced at this prefix length

We do not see 197.217.16.0/20 announced as its own route. The most specific announcement covering it is 197.216.0.0/15, originated by AS11259 (Angola Telecom). Traffic to addresses in this block follows that route.

At a glance

Addresses

4,096

/20 block

Visibility

Unknown

RPKI

Unknown

Registry

AFRINICAO

Allocated 24th February 2012

AS paths to this prefix

No AS paths are stored for this prefix. We keep the full path from one reference peer per collector rather than from every peer, so a prefix only has paths here once it has been seen by one of those peers.

Registry and RPKI

RIR
AFRINIC — Africa
Country
Angola
Allocated
24th February 2012
Allocation block
197.216.0.0/15
Status
allocated
Origin validation
Unknown

Prefix hierarchy

Announcements above, below and beside this one in the real routing table.

CoveringMore specific
Prefix hierarchy for 197.217.16.0/20: the announcements covering it on the left, the announcements inside it on the right. Every prefix drawn is also listed in the tables below.197.216.0.0/15AS11259197.217.16.0/20This prefix197.217.0.0/20AS11259197.217.16.0/21AS11259197.217.24.0/22AS11259197.217.28.0/23AS11259197.217.26.0/24AS11259197.217.30.0/24AS11259

Left to right is specificity: a shorter mask covering more address space, then this prefix, then the announcements carved out inside it. Only the first few of each are drawn — the tables below list them all.

Covering announcements

Announcements that contain 197.217.16.0/20
PrefixAddressesOriginVisibility
197.216.0.0/15131kAS11259Angola Telecom76/76

More specific announcements

Announcements contained within 197.217.16.0/20
PrefixAddressesOriginVisibility
197.217.16.0/212kAS11259Angola Telecom76/76
197.217.24.0/221kAS11259Angola Telecom76/76
197.217.28.0/23512AS11259Angola Telecom76/76
197.217.26.0/24256AS11259Angola Telecom76/76
197.217.30.0/24256AS11259Angola Telecom76/76

Sibling prefixes

Prefixes of the same length sharing a parent block with 197.217.16.0/20
PrefixAddressesOriginVisibility
197.217.0.0/204.1kAS11259Angola Telecom76/76

History

  1. AS1125910th November 2026 — 10th November 2026
Why these dates start where they do

A first-seen date is the first time we saw that origin, not the first time it appeared in BGP. Our history is forward-only with no backfill, so it says nothing about the period before we started collecting — treat the earliest dates with suspicion.

Open 197.217.16.0/20 in the calculator/20 reference

Routing data derived from RouteViews MRT archives and public registry data.