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

Neighbors

Who AS20249 is reached through

The AS just before AS20249 in the paths our looking glass collectors hold, for 52 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS13335 CLOUDFLARENET 22AS15570 INAP-LON 6AS3356 LEVEL3 5AS7018 ATT-INTERNET4 4AS13789 INTERNAP-BLK3 3AS15830 Equinix 3AS1828 UNITAS 3AS17675 AS-PNAPTOK 3AS3257 GTT-BACKBONE 3AS10913 INTERNAP-BLK 3AS6461 ZAYO-6461 2AS2914 NTT-DATA-2914 2AS9498 BBIL-AP 1AS21859 ZEN-ECN 1AS8220 COLT 1AS3491 PCCWG-APAC-HK 1AS2686 ATGS-MMD-AS 1
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