AS5421 Sofia University "St. Kliment Ohridski"

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Sofia University "St. Kliment Ohridski"

AS Number 5421

Overview
Prefixes
Connectivity
Whois

Registered on: 25 Oct 2001 (23 years old)
Registered to: fed9e650-baff-... (ripe)

Network status: Active, Allocated under RIPE

Network type: Unknown

Prefixes Originated: 1 IPv4, 2 IPv6

Upstreams

AS6802 - Bulgarian Research and Education Network Association (BREN)
AS8717 - A1 Bulgaria EAD

Rankings

#235 for Estimated Eyeballs in Bulgaria

#104 for Unique Domains in Bulgaria

#65 for Known Peers in Bulgaria

#52 for Originated IPv4 Space in Bulgaria

#23 for Originated IPv6 Space in Bulgaria

Tags:

Prefixes Originated

1 IPv4, 2 IPv6

Show Low Visibility Prefixes

Addresses Originated

32 /24's of IPv4

2 /48's of IPv6

	Prefix	Description
	62.44.96.0/19	Sofia University "St. Kliment Ohridski"
	2001:67c:20d0::/48	Autonomous IPv6 Address Space
	2001:67c:20d0::/47	Autonomous IPv6 Address Space

	ASN	Description	IPv4	IPv6
	AS6802	Bulgarian Research and Education Network Association (BREN)	✔	✔
	AS8717	A1 Bulgaria EAD	✔	✔

ASN	Description	IPv4	IPv6
AS6802	Bulgarian Research and Education Network Association (BREN)	✔	✔
AS8717	A1 Bulgaria EAD	✔	✔
AS34224	Neterra Ltd.	✘	✔

aut-num:        AS5421
as-name:        SU-NET-AS
org:            ORG-UoS32-RIPE
remarks:
remarks:        ====================================================================
remarks:        We can offer private *non-commercial* interconnects in Sofia through
remarks:        MAN (Spectrum NET). Send questions/requests to 123@ucc.uni-sofia.bg
remarks:        ====================================================================
remarks:
remarks:        **************************************************************
remarks:
remarks:        ***********           GLOBAL CONNECTIVITY         ************
remarks:
import:         from AS6802 194.141.252.21 at 194.141.252.22 accept ANY
import:         from AS6802 194.141.252.93 at 194.141.252.94 accept ANY
import:         from AS8717 62.44.96.234 at 62.44.96.233 accept ANY
import:         from AS8717 62.44.96.238 at 62.44.96.237 accept ANY
import:         from AS8717 62.44.96.214 at 62.44.96.213 accept ANY
export:         to AS6802 194.141.252.21 at 194.141.252.22 announce AS5421 AS112
export:         to AS6802 194.141.252.93 at 194.141.252.94 announce AS5421
export:         to AS8717 62.44.96.234 at 62.44.96.233 announce AS5421
export:         to AS8717 62.44.96.238 at 62.44.96.237 announce AS5421
export:         to AS8717 62.44.96.214 at 62.44.96.213 announce AS5421
mp-import:      afi ipv4.unicast from AS6802 194.141.252.21 at 194.141.252.22 accept ANY; # GEANT
mp-import:      afi ipv4.unicast from AS6802 194.141.252.93 at 194.141.252.94 accept ANY; # GEANT
mp-import:      afi ipv4.unicast from AS8717 62.44.96.234 at 62.44.96.233 accept ANY; # Spectrum NET
mp-import:      afi ipv4.unicast from AS8717 62.44.96.238 at 62.44.96.237 accept ANY; # Spectrum NET
mp-import:      afi ipv4.unicast from AS8717 62.44.96.214 at 62.44.96.213 accept ANY; # Spectrum NET
mp-import:      afi ipv6.unicast from AS6802 2001:4b58:acad:252::25 at 2001:4b58:acad:252::26 accept ANY; # GEANT
mp-import:      afi ipv6.unicast from AS6802 2001:4b58:acad:252::2d at 2001:4b58:acad:252::2e accept ANY; # GEANT
mp-import:      afi ipv6.unicast from AS8717 2001:67c:20d0:fffe:ffff:ffff:ffff:fffe at 2001:67c:20d0:fffe:ffff:ffff:ffff:fffd accept ANY; # Spectrum NET
mp-import:      afi ipv6.unicast from AS8717 2001:67c:20d1:fff:ffff:ffff:ffff:fffe at 2001:67c:20d1:fff:ffff:ffff:ffff:fffd accept ANY; # Spectrum NET
mp-import:      afi ipv6.unicast from AS8717 2001:67c:20d1:1fff:ffff:ffff:ffff:fffe at 2001:67c:20d1:1fff:ffff:ffff:ffff:fffd accept ANY; # Spectrum NET
mp-export:      afi ipv4.unicast to AS6802 194.141.252.21 at 194.141.252.22 announce AS5421 AS112; # GEANT
mp-export:      afi ipv4.unicast to AS6802 194.141.252.93 at 194.141.252.94 announce AS5421; # GEANT
mp-export:      afi ipv6.unicast to AS6802 2001:4b58:acad:252::25 at 2001:4b58:acad:252::26 announce AS5421; # GEANT
mp-export:      afi ipv6.unicast to AS6802 2001:4b58:acad:252::2d at 2001:4b58:acad:252::2e announce AS5421; # GEANT
mp-export:      afi ipv6.unicast to AS8717 2001:67c:20d0:fffe:ffff:ffff:ffff:fffe at 2001:67c:20d0:fffe:ffff:ffff:ffff:fffd announce AS5421; # Spectrum NET
mp-export:      afi ipv6.unicast to AS8717 2001:67c:20d1:fff:ffff:ffff:ffff:fffe at 2001:67c:20d1:fff:ffff:ffff:ffff:fffd announce AS5421; # Spectrum NET
mp-export:      afi ipv6.unicast to AS8717 2001:67c:20d1:1fff:ffff:ffff:ffff:fffe at 2001:67c:20d1:1fff:ffff:ffff:ffff:fffd announce AS5421; # Spectrum NET
remarks:
remarks:        **************************************************************
remarks:
remarks:        ***********          PEERING CONNECTIVITY         ************
remarks:
import:         from AS3245 62.44.96.210 at 62.44.96.209 accept ANY
import:         from AS3245 62.44.108.94 at 62.44.108.93 accept ANY
import:         from AS8262 62.44.96.254 at 62.44.96.253 accept ANY
import:         from AS8262 62.44.108.74 at 62.44.108.73 accept ANY
import:         from AS8717 62.44.96.250 at 62.44.96.249 accept ANY
import:         from AS8717 62.44.96.242 at 62.44.96.241 accept ANY
import:         from AS8717 62.44.96.246 at 62.44.96.245 accept ANY
import:         from AS9070 62.44.108.70 at 62.44.108.69 accept ANY
import:         from AS9070 62.44.108.66 at 62.44.108.65 accept ANY
import:         from AS9127 212.72.192.221 at 212.72.192.222 accept ANY
import:         from AS20657 62.44.108.78 at 62.44.108.77 accept ANY
import:         from AS20657 62.44.108.82 at 62.44.108.81 accept ANY
import:         from AS34224 62.44.96.158 at 62.44.96.157 accept ANY
import:         from AS34224 62.44.96.154 at 62.44.96.153 accept ANY
mp-import:      afi ipv4.unicast from AS3245 62.44.96.210 at 62.44.96.209 accept ANY; # DIGSYS
mp-import:      afi ipv4.unicast from AS3245 62.44.108.94 at 62.44.108.93 accept ANY; # DIGSYS
mp-import:      afi ipv4.unicast from AS8262 62.44.96.254 at 62.44.96.253 accept ANY; # LIREXNET-AS
mp-import:      afi ipv4.unicast from AS8262 62.44.108.74 at 62.44.108.73 accept ANY; # LIREXNET-AS
mp-import:      afi ipv4.unicast from AS8717 62.44.96.250 at 62.44.96.249 accept ANY; # SPECTRUMNET
mp-import:      afi ipv4.unicast from AS8717 62.44.96.242 at 62.44.96.241 accept ANY; # SPECTRUMNET
mp-import:      afi ipv4.unicast from AS8717 62.44.96.246 at 62.44.96.245 accept ANY; # SPECTRUMNET
mp-import:      afi ipv4.unicast from AS9070 62.44.108.70 at 62.44.108.69 accept ANY; # ITD
mp-import:      afi ipv4.unicast from AS9070 62.44.108.66 at 62.44.108.65 accept ANY; # ITD
mp-import:      afi ipv4.unicast from AS9127 212.72.192.221 at 212.72.192.222 accept ANY; # NETISSAT-AS
mp-import:      afi ipv4.unicast from AS20657 62.44.108.78 at 62.44.108.77 accept ANY; # ATLANTIS
mp-import:      afi ipv4.unicast from AS20657 62.44.108.82 at 62.44.108.81 accept ANY; # ATLANTIS
mp-import:      afi ipv4.unicast from AS34224 62.44.96.158 at 62.44.96.157 accept ANY; # NETERRA-AS
mp-import:      afi ipv4.unicast from AS34224 62.44.96.154 at 62.44.96.153 accept ANY; # NETERRA-AS
mp-import:      afi ipv6.unicast from AS3245 2001:67c:20d0:fffe:ffff:ffff:ffff:ff92 at 2001:67c:20d0:fffe:ffff:ffff:ffff:ff91 accept ANY; # DIGSYS
mp-import:      afi ipv6.unicast from AS3245 2001:67c:20d1:fff:ffff:ffff:ffff:ff92 at 2001:67c:20d1:fff:ffff:ffff:ffff:ff91 accept ANY; # DIGSYS
mp-import:      afi ipv6.unicast from AS8262 2001:67c:20d0:fffe:ffff:ffff:ffff:fffa at 2001:67c:20d0:fffe:ffff:ffff:ffff:fff9 accept ANY; # LIREXNET-AS
mp-import:      afi ipv6.unicast from AS8262 2001:67c:20d1:fff:ffff:ffff:ffff:fffa at 2001:67c:20d1:fff:ffff:ffff:ffff:fff9 accept ANY; # LIREXNET-AS
mp-import:      afi ipv6.unicast from AS8717 2001:67c:20d0:fffe:ffff:ffff:ffff:fffe at 2001:67c:20d0:fffe:ffff:ffff:ffff:fffd accept ANY; # SPECTRUMNET
mp-import:      afi ipv6.unicast from AS8717 2001:67c:20d1:fff:ffff:ffff:ffff:fffe at 2001:67c:20d1:fff:ffff:ffff:ffff:fffd accept ANY; # SPECTRUMNET
mp-import:      afi ipv6.unicast from AS8717 2001:67c:20d1:1fff:ffff:ffff:ffff:fffe at 2001:67c:20d1:1fff:ffff:ffff:ffff:fffd accept ANY; # SPECTRUMNET
mp-import:      afi ipv6.unicast from AS9070 2001:67c:20d0:fffe:ffff:ffff:ffff:fff6 at 2001:67c:20d0:fffe:ffff:ffff:ffff:fff5 accept ANY; # ITD
mp-import:      afi ipv6.unicast from AS9070 2001:67c:20d1:fff:ffff:ffff:ffff:fff6 at 2001:67c:20d1:fff:ffff:ffff:ffff:fff5 accept ANY; # ITD
mp-import:      afi ipv6.unicast from AS9127 2001:67c:20d0:fffe:ffff:ffff:ffff:ff96 at 2001:67c:20d0:fffe:ffff:ffff:ffff:ff95 accept ANY; # NETISSAT-AS
mp-import:      afi ipv6.unicast from AS34224 2001:67c:20d0:fffe:ffff:ffff:0:24 at 2001:67c:20d0:fffe:ffff:ffff:0:22 accept ANY; # NETERRA-AS
mp-import:      afi ipv6.unicast from AS34224 2001:67c:20d0:fffe:ffff:ffff:0:23 at 2001:67c:20d0:fffe:ffff:ffff:0:21 accept ANY; # NETERRA-AS
export:         to AS3245 62.44.96.210 at 62.44.96.209 announce AS-SU-LOCAL
export:         to AS3245 62.44.108.94 at 62.44.108.93 announce AS-SU-LOCAL
export:         to AS8262 62.44.108.74 at 62.44.108.73 announce AS-SU-LOCAL
export:         to AS8262 62.44.96.254 at 62.44.96.253 announce AS-SU-LOCAL
export:         to AS8717 62.44.96.250 at 62.44.96.249 announce AS-SU-LOCAL
export:         to AS8717 62.44.96.242 at 62.44.96.241 announce AS-SU-LOCAL
export:         to AS8717 62.44.96.246 at 62.44.96.245 announce AS-SU-LOCAL
export:         to AS9070 62.44.108.70 at 62.44.108.69 announce AS-SU-LOCAL
export:         to AS9070 62.44.108.66 at 62.44.108.65 announce AS-SU-LOCAL
export:         to AS9127 212.72.192.221 at 212.72.192.222 announce AS-SU-LOCAL
export:         to AS20657 62.44.108.78 at 62.44.108.77 announce AS-SU-LOCAL
export:         to AS20657 62.44.108.82 at 62.44.108.81 announce AS-SU-LOCAL
export:         to AS34224 62.44.96.158 at 62.44.96.157 announce AS-SU-LOCAL
export:         to AS34224 62.44.96.154 at 62.44.96.153 announce AS-SU-LOCAL
mp-export:      afi ipv4.unicast to AS3245 62.44.96.210 at 62.44.96.209 announce AS-SU-LOCAL; # DIGSYS
mp-export:      afi ipv4.unicast to AS3245 62.44.108.94 at 62.44.108.93 announce AS-SU-LOCAL; # DIGSYS
mp-export:      afi ipv4.unicast to AS8262 62.44.108.74 at 62.44.108.73 announce AS-SU-LOCAL; # LIREXNET-AS
mp-export:      afi ipv4.unicast to AS8262 62.44.96.254 at 62.44.96.253 announce AS-SU-LOCAL; # LIREXNET-AS
mp-export:      afi ipv4.unicast to AS8717 62.44.96.250 at 62.44.96.249 announce AS-SU-LOCAL; # SPECTRUMNET
mp-export:      afi ipv4.unicast to AS8717 62.44.96.242 at 62.44.96.241 announce AS-SU-LOCAL; # SPECTRUMNET
mp-export:      afi ipv4.unicast to AS8717 62.44.96.246 at 62.44.96.245 announce AS-SU-LOCAL; # SPECTRUMNET
mp-export:      afi ipv4.unicast to AS9070 62.44.108.70 at 62.44.108.69 announce AS-SU-LOCAL; # ITD
mp-export:      afi ipv4.unicast to AS9070 62.44.108.66 at 62.44.108.65 announce AS-SU-LOCAL; # ITD
mp-export:      afi ipv4.unicast to AS9127 212.72.192.221 at 212.72.192.222 announce AS-SU-LOCAL; # NETISSAT-AS
mp-export:      afi ipv4.unicast to AS20657 62.44.108.78 at 62.44.108.77 announce AS-SU-LOCAL; # ATLANTIS
mp-export:      afi ipv4.unicast to AS20657 62.44.108.82 at 62.44.108.81 announce AS-SU-LOCAL; # ATLANTIS
mp-export:      afi ipv4.unicast to AS34224 62.44.96.158 at 62.44.96.157 announce AS-SU-LOCAL; # NETERRA-AS
mp-export:      afi ipv4.unicast to AS34224 62.44.96.154 at 62.44.96.153 announce AS-SU-LOCAL; # NETERRA-AS
mp-export:      afi ipv6.unicast to AS3245 2001:67c:20d0:fffe:ffff:ffff:ffff:ff92 at 2001:67c:20d0:fffe:ffff:ffff:ffff:ff91 announce AS-SU-LOCAL; # DIGSYS
mp-export:      afi ipv6.unicast to AS3245 2001:67c:20d1:fff:ffff:ffff:ffff:ff92 at 2001:67c:20d1:fff:ffff:ffff:ffff:ff91 announce AS-SU-LOCAL; # DIGSYS
mp-export:      afi ipv6.unicast to AS8262 2001:67c:20d0:fffe:ffff:ffff:ffff:fffa at 2001:67c:20d0:fffe:ffff:ffff:ffff:fff9 announce AS-SU-LOCAL; # LIREXNET-AS
mp-export:      afi ipv6.unicast to AS8262 2001:67c:20d1:fff:ffff:ffff:ffff:fffa at  2001:67c:20d1:fff:ffff:ffff:ffff:fff9 announce AS-SU-LOCAL; # LIREXNET-AS
mp-export:      afi ipv6.unicast to AS8717 2001:67c:20d0:fffe:ffff:ffff:ffff:fffe at 2001:67c:20d0:fffe:ffff:ffff:ffff:fffd announce AS-SU-LOCAL; # SPECTRUMNET
mp-export:      afi ipv6.unicast to AS8717 2001:67c:20d1:fff:ffff:ffff:ffff:fffe at 2001:67c:20d1:fff:ffff:ffff:ffff:fffd announce AS-SU-LOCAL; # SPECTRUMNET
mp-export:      afi ipv6.unicast to AS8717 2001:67c:20d1:1fff:ffff:ffff:ffff:fffe at 2001:67c:20d1:1fff:ffff:ffff:ffff:fffd announce AS-SU-LOCAL; # SPECTRUMNET
mp-export:      afi ipv6.unicast to AS9070 2001:67c:20d0:fffe:ffff:ffff:ffff:fff6 at 2001:67c:20d0:fffe:ffff:ffff:ffff:fff5 announce AS-SU-LOCAL; # ITD
mp-export:      afi ipv6.unicast to AS9070 2001:67c:20d1:fff:ffff:ffff:ffff:fff6 at 2001:67c:20d1:fff:ffff:ffff:ffff:fff5 announce AS-SU-LOCAL; # ITD
mp-export:      afi ipv6.unicast to AS9127 2001:67c:20d0:fffe:ffff:ffff:ffff:ff96 at 2001:67c:20d0:fffe:ffff:ffff:ffff:ff95 announce AS-SU-LOCAL; # NETISSAT-AS
mp-export:      afi ipv6.unicast to AS34224 2001:67c:20d0:fffe:ffff:ffff:0:24 at 2001:67c:20d0:fffe:ffff:ffff:0:22 announce AS-SU-LOCAL; # NETERRA-AS
mp-export:      afi ipv6.unicast to AS34224 2001:67c:20d0:fffe:ffff:ffff:0:23 at 2001:67c:20d0:fffe:ffff:ffff:0:21 announce AS-SU-LOCAL; # NETERRA-AS
remarks:
remarks:        **************************************************************
remarks:
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS5421-MNT
remarks:
remarks:        ===============================================================
remarks:        In case of SPAM, DoS, etc. please contact: 123@ucc.uni-sofia.bg
remarks:        For technical and other questions contact: 123@ucc.uni-sofia.bg
remarks:        ===============================================================
remarks:
created:        2001-10-25T11:04:15Z
last-modified:  2019-12-04T11:17:02Z
source:         RIPE
sponsoring-org: ORG-MN1-RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************


organisation:   ORG-UoS32-RIPE
org-name:       Sofia University "St. Kliment Ohridski"
country:        BG
org-type:       OTHER
address:        Dummy address for ORG-UoS32-RIPE
abuse-c:        NCC123-RIPE
e-mail:         unread@ripe.net
mnt-ref:        AS5421-MNT
mnt-by:         AS5421-MNT
created:        2006-07-18T16:52:21Z
last-modified:  2022-12-01T16:57:29Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************

Last Update: 2025-04-25T03:24:43Z UTC

Member of the following AS-SETs

-	Member	ASN Count
RADB	as-hurricanev6	17649
LEVEL3	as-sprint-origins	7309
RIPE	as-btc-up6	2
RIPE	as-su-local	2
RADB	as-bg	36
RIPE	as-bg	36
RIPE	as-netissat	19
RIPE	as-btc-up-v6	5
RIPE	as-netissat-local	10
RIPE	as-netissat-ipv6	2
RIPE	as-retn-actual-v4	11486
RIPE	as-istf	10
RIPE	as-retn-actual-v6	3371
RIPE	as-btc-up	2027
LEVEL3	as-level3-origins-eu	0
RIPE	as-evolink	1195

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Member of the following AS-SETs