[Internet-e-architetture-di-rete] esercizi riepilogativi governance, IPv4, IPv6, routing - SVOLGIMENTO
Antonio Prado
antonio at prado.it
Sun May 8 14:18:35 CEST 2016
On 5/4/16 11:30 AM, Antonio Prado wrote:
> ##############################################################
> siano dati i seguenti indirizzi IP:
>
> 203.114.102.100
> 2a03:2880:f001:1f:face:b00c::25de
> 23.50.139.33
> 2001:5008:101:289::2768
> 62.149.188.210
> 193.108.205.15
> 178.236.6.27
> 2001:67c:2e8:22::c100:68b
> 2001:760:0:158::2
> 2001:1900:3001:11::31
>
> rispondere ai quesiti (incollando la riga di comando) per ciascun IP:
>
> A. qual e' l'INET(6)NUM di appartenenza?
> B. da quale RIR e' rilasciato?
> C. qual e' l'AS di origine?
> D. incollare il relativo oggetto AUT-NUM
> E. commenti e osservazioni
> ##############################################################
ecco gli svolgimenti:
=01=##############################################################
203.114.102.100
A. 203.114.96.0 - 203.114.127.255
B. APNIC
C. AS9737
D. aut-num: AS9737
as-name: TOTNET-TH-AS-AP
country: TH
descr: TOT Public Company Limited
import: from AS38040 accept ANY
import: from AS4651 accept ANY
import: from AS9737:AS-customers accept <^AS9737:AS-customers+ .*>
export: to AS38040 announce AS9737 <^AS9737+ .*>
export: to AS4651 announce AS9737 <^AS9737+ .*>
export: to AS9737:AS-customers announce ANY
tech-c: ws431-ap
admin-c: ag100-ap
mnt-by: MAINT-TH-TOT
changed: apipolg at tot.co.th 20100725
mnt-irt: IRT-TOT-TH
source: APNIC
E. piccolo isp tailandese. l'IP era associato, fino al 20150223, al sito
web www.tot.co.th, ne rimane traccia nel ptr
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=02=##############################################################
2a03:2880:f001:1f:face:b00c::25de
A. 2a03:2880::/29
B. RIPE NCC
C. AS32934
D. ASNumber: 32934
ASName: FACEBOOK
ASHandle: AS32934
RegDate: 2004-08-24
Updated: 2012-02-24
Comment: Please send abuse reports to abuse at facebook.com
Ref: https://whois.arin.net/rest/asn/AS32934
E. tipico esempio di uso mnemonico degli esadecimali di IPv6. noto che
dall'allocazione della /29, gli instradamenti vengono fatti usando una /48
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=03=##############################################################
23.50.139.33
A. 23.32.0.0 - 23.67.255.255
B. ARIN
C. AS16625 e AS6762
D. aut-num: AS16625
as-name: AKAMAI-ASN1
descr: Akamai Technologies European AS
admin-c: NARA1-RIPE
tech-c: NARA1-RIPE
remarks: For information on "status:" attribute read
https://www.ripe.net/data-tools/db/faq/faq-status-values-legacy-resources
status: OTHER
mnt-by: AKAM1-RIPE-MNT
created: 2010-12-15T13:12:56Z
last-modified: 2014-05-27T12:26:43Z
source: RIPE # Filtered
E. una delle maggiori CDN al mondo, fa annunciare le proprie reti anche
dai sistemi autonomi ospitanti, in questo caso l'italiana seabone
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=04=##############################################################
2001:5008:101:289::2768
A. 2001:5000::/21
B. RIPE NCC
C. AS1273
D. aut-num: AS1273
as-name: CW
descr: Cable and Wireless Worldwide plc
descr: Melbourne Street
descr: Leeds
descr: LS2 7PS
descr: United Kingdom
remarks: -----------------------------------------
remarks: Cable&Wireless AS1273 contact information:
remarks: - emergency network control - +44 1344 602224 (24x7)
remarks: - operational support - peering-support at cw.net (24x7)
remarks: - new peering requests - peering-request at cw.net
remarks: - IPv6 queries - ipv6 at cw.net
remarks: - multicast queries - ipmulticast at cw.net
remarks: more information - http://www.cw.net
remarks: ----------------------------------
[...]
E. esempio di carrier tier 1 con amplissima lista di peer e clienti
##############################################################
=05=##############################################################
62.149.188.210
A. 62.149.188.0 - 62.149.188.255
B. RIPE
C. AS31034
D. aut-num: AS31034
as-name: ARUBA-ASN
descr: Aruba S.p.A.
org: ORG-Ts9-RIPE
import: from AS1267 accept ANY
export: to AS1267 announce AS31034
import: from AS3269 accept ANY
export: to AS3269 announce AS31034
import: from AS174 accept ANY
export: to AS174 announce AS31034
import: from AS8928 accept ANY
export: to AS8928 announce AS31034
import: from AS3356 accept ANY
export: to AS3356 announce AS31034
admin-c: SS936-RIPE
tech-c: AN3450-RIPE
remarks: For information on "status:" attribute read
https://www.ripe.net/data-tools/db/faq/faq-status-values-legacy-resources
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-routes: ARUBA-MNT
mnt-by: ARUBA-MNT
created: 2004-02-12T09:55:09Z
last-modified: 2016-04-14T10:24:33Z
source: RIPE
E. l'italiana aruba, che altro dire?
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=06=##############################################################
193.108.205.15
A. 193.108.205.0 - 193.108.205.255
B. RIPE NCC
C. AS21006
D. aut-num: AS21006
as-name: PDR-AS
descr: Services Network Presidenza Repubblica Italiana
org: ORG-SNPR1-RIPE
import: from AS12874 action pref =100; accept ANY
import: from AS3269 action pref =100; accept AS3269
export: to AS12874 announce AS21006
admin-c: SR1744-RIPE
tech-c: SR1744-RIPE
remarks: For information on "status:" attribute read
https://www.ripe.net/data-tools/db/faq/faq-status-values-legacy-resources
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: QUIRINALE-MNT
mnt-routes: QUIRINALE-MNT
created: 1970-01-01T00:00:00Z
last-modified: 2016-04-14T08:56:53Z
source: RIPE
sponsoring-org: ORG-FA7-RIPE
E. tipico esempio di AS con sponsoring LIR
##############################################################
=07=##############################################################
178.236.6.27
A. 178.236.0.0 - 178.236.7.255
B. ARIN
C. AS16509
D. ASNumber: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-04
Updated: 2012-03-02
Ref: https://whois.arin.net/rest/asn/AS16509
E. colosso amazon, range irlandese
##############################################################
=08=##############################################################
2001:67c:2e8:22::c100:68b
A. 2001:67c:2e8::/48
B. RIPE NCC
C. AS3333
D. aut-num: AS3333
as-name: RIPE-NCC-AS
descr: Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
org: ORG-RIEN1-RIPE
[...]
E. il nostro RIR con una /48 e tanti rapporti di peering
##############################################################
=09=##############################################################
2001:760:0:158::2
A. 2001:760::/48
B. RIPE NCC
C. AS137
D. aut-num: AS137
as-name: ASGARR
descr: Consortium GARR
org: ORG-GIRa1-RIPE
import: from AS20965 action pref=300; accept ANY
import: from AS1299 action pref=100; accept ANY
import: from AS3549 action pref=100; accept ANY
import: from AS3356 action pref=100; accept ANY
import: from AS42165 action pref=100; accept ANY
mp-import: afi ipv4.multicast from AS20965 action pref=100; accept ANY
mp-import: afi ipv6.unicast from AS20965 action pref=100; accept ANY
mp-import: afi ipv6.multicast from AS20965 action pref=100; accept ANY
import: from AS-GARR-PR-NAMEX action pref=240; accept ANY
export: to AS-GARR-PR-NAMEX announce AS-GARR
export: to AS20965 announce AS-GARRTOGEANT
export: to AS1299 announce AS-GARR
export: to AS3549 announce AS-GARR
export: to AS3356 announce AS-GARR
export: to AS42165 announce AS-GARR
mp-export: afi ipv4.multicast to AS20965 announce AS-GARRTOGEANT;
mp-export: afi ipv6.unicast to AS20965 announce AS-GARRTOGEANT;
mp-export: afi ipv6.multicast to AS20965 announce AS-GARRTOGEANT;
admin-c: FR7236-RIPE
tech-c: GL965-RIPE
tech-c: GN450-RIPE
remarks: For information on "status:" attribute read
https://www.ripe.net/data-tools/db/faq/faq-status-values-legacy-resources
status: LEGACY
mnt-by: GARR-LIR
created: 2002-08-21T13:03:42Z
last-modified: 2015-05-05T04:15:46Z
source: RIPE
E. consorzio per la connettivita' delle universita' italiane con
presenza nei maggiori punti di interscambio italiani
##############################################################
=10=##############################################################
2001:1900:3001:11::31
A. 2001:1900:: - 2001:1900:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF
B. AS3356
C. ARIN
D. ASNumber: 3356
ASName: LEVEL3
ASHandle: AS3356
RegDate: 2000-03-10
Updated: 2012-02-24
Ref: https://whois.arin.net/rest/asn/AS3356
E. carrier tier 1, grande fornitore di fibra ottica negli usa
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