ResearchRouting table, RPKI, IRR & looking glass

AS20249 Jefferies LLC

AS20249 (AS20249) is registered to Jefferies LLC in US. It originates 52 prefixes in the global routing table.

52
IPv4 prefixes
0
IPv6 prefixes
35,840
IPv4 addresses
100%
RPKI valid
Registration

Who holds AS20249

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS20249
Handle
AS20249
Organization
Jefferies LLC
Country
US
ASPA
None published
Routing

What AS20249 announces

Prefixes originated by AS20249 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
52
IPv6 prefixes
0
IPv4 addresses
35,840 (140 /24s)
RPKI valid
52 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS20249
46
With an IRR route object
40 76%
Prefixes

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (52)
169.196.0.0/23169.196.0.0/24169.196.1.0/24169.196.2.0/23169.196.2.0/24169.196.3.0/24169.196.18.0/23169.196.18.0/24169.196.19.0/24169.196.48.0/23169.196.52.0/23169.196.55.0/24169.196.56.0/23169.196.65.0/24169.196.67.0/24169.196.68.0/23169.196.71.0/24169.196.72.0/23169.196.72.0/24169.196.73.0/24169.196.76.0/22169.196.96.0/23169.196.96.0/24169.196.97.0/24169.196.110.0/24169.196.116.0/24169.196.119.0/24169.196.128.0/18169.196.156.0/24169.196.160.0/19169.196.160.0/20169.196.176.0/20169.196.196.0/23169.196.196.0/24169.196.197.0/24169.196.198.0/23169.196.198.0/24169.196.199.0/24169.196.202.0/23169.196.202.0/24169.196.203.0/24169.196.219.0/24169.196.220.0/22169.196.224.0/19169.196.240.0/20169.196.240.0/21169.196.248.0/21185.55.132.0/22185.55.132.0/23185.55.134.0/23185.55.134.0/24185.55.135.0/24

RPKI valid   RPKI invalid   no ROA covers it

Upstreams

Who AS20249 buys transit from

Inferred from the AS paths in the RouteViews tables, refreshed every 4 hours, most-seen first. 20 upstreams.

AS13335 CLOUDFLARENETAS15570 INAP-LONAS3356 LEVEL3AS1828 UNITASAS15830 EquinixAS7018 ATT-INTERNET4AS2914 NTT-DATA-2914AS10913 INTERNAP-BLKAS13789 INTERNAP-BLK3AS3257 GTT-BACKBONEAS6461 ZAYO-6461AS8220 COLTAS17675 AS-PNAPTOKAS2686 ATGS-MMD-ASAS3491 PCCWG-APAC-HKAS9498 BBIL-APAS46887 CROWNCASTLE-AS46887AS21859 ZEN-ECNAS133012 CONL-AS-APAS4755 TATACOMM-AS
Downstreams

Who buys transit from AS20249

None seen: AS20249 does not appear to provide transit to anyone.

IRR

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Route objects with origin AS20249: RADB 31 · ARIN 13 · RIPE 3 · NTTCOM 1

as-sets that list AS20249 (45)first 40 shown
AS-133012AS-140224AS-18186AS-C3AS-CCFAS-COMCAST-EDIAAS-EC-DCAS-EC-NYAS-EQUINIX-APAS-EQUINIX-HKAS-EQUINIX-LDAS-EQUINIX-TYAS-GIGAINFRAAS-GTTCUSTAS-HGC-INTLAS-HIBERNIAAS-HIBERNIA-EAS-IGNEMEAAS-ITXBR1AS-KDDAS-KDDCUSTOMER2AS-KDDI6AS-LUMEN-CUSTOMERS-ASNSAS-NWN-TRANSITAS-PNAPLONAS-PNAPNYMAS-PNAPTOKAS-PNAPWDC002AS-REACH-CUSTOMERSAS-TELSTRA-INTL-CUSTOMERSAS-TELSTRA-INTL-CUSTOMERS-4637AS-UNITAS-CUSTOMERSAS-VOXELAS-VSNL-INAS-XOAS-XO-BAS-ZENLAYERAS1221:AS-CUSTOMERSAS13335:AS-CUSTOMERSAS198949:AS-SD
Tools

Check AS20249 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup