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Spoofing Information for AS 3257 (GTT-BACKBONE)

Spoofing status per IP block for last year of data

(Results for all dates also available.)

No spoofing data found for ASN 3257

Customers of AS 3257 we have spoofer tests from

This is the list of directly connected customers of AS 3257 from which we have received a spoofer test, ordered by the customer's ability to send spoofed packets and the number of prefixes of an inferred ingress ACL derived from prefix announcements for the customer recorded in the latest month of public BGP data. BCP-84 describes ingress ACLs as "the most bulletproof solution when done properly" and the "best fit ... when the configuration is not too dynamic, ... if the number of used prefixes is low." Further detail about the size and dynamism of an inferred ACL is available by following the History link for each AS.

ASNCountryNumber of Prefixes
in Customer Cone
Number of ASes
in Customer Cone
Recent
tests
Spoof
Routable
37652 (AS37652)zaf (South Africa)30AS 37652 testsreceived
6810 (BEZEK)isr (Israel)60AS 6810 testsreceived
41495 (FAELIX)gbr (United Kingdom)3111AS 41495 testsreceived
27364 (ACS-INTERNET)usa (United States)3611AS 27364 testsreceived
61461ven (Venezuela)5619AS 61461 testsreceived
394684 (AS-GOLD)usa (United States)988128AS 394684 testsreceived
400282usa (United States)148492AS 400282 testsreceived
8452 (TE-AS)egy (Egypt)4338150AS 8452 testsreceived
7303arg (Argentina)6791532AS 7303 testsreceived
45758 (TTBP-AS-AP)tha (Thailand)9573455AS 45758 testsreceived
56767 (MLNET-AS)irl (Ireland)20AS 56767 testsblocked
29449 (IP-TELECOM-AS)ita (Italy)30AS 29449 testsblocked
328266 (Atomic-AS)zaf (South Africa)40AS 328266 testsblocked
25376 (NETNORTH-ASN)gbr (United Kingdom)101AS 25376 testsblocked
397545 (AS-NSL-261)can (Canada)110AS 397545 testsblocked
60475 (XMATICA-AS)ita (Italy)155AS 60475 testsblocked
46632 (SOUTHWEST-ARKANSAS-TELEPHONE-COOPERATIVE)usa (United States)264AS 46632 testsblocked
8895 (ISU)sau (Saudi Arabia)278AS 8895 testsblocked
8399 (SEWAN-FR)fra (France)300AS 8399 testsblocked
41354 (its-tg)gbr (United Kingdom)303AS 41354 testsblocked
12676 (NCORE-AS)deu (Germany)345AS 12676 testsblocked
16876 (ICANN-DC)usa (United States)374AS 16876 testsblocked
20847 (PREVIDER-AS)nld (Netherlands)4112AS 20847 testsblocked
19165 (WEBPASS)usa (United States)431AS 19165 testsblocked
40528 (ICANN-LAX)usa (United States)449AS 40528 testsblocked
1213 (HEANET)irl (Ireland)534AS 1213 testsblocked
5607 (BSKYB-BROADBAND-AS)gbr (United Kingdom)673AS 5607 testsblocked
19318 (IS-AS-1)usa (United States)752AS 19318 testsblocked
5645 (TEKSAVVY)can (Canada)7711AS 5645 testsblocked
46375 (AS-SONICTELECOM)usa (United States)11614AS 46375 testsblocked
13285 (OPALTELECOM-AS)gbr (United Kingdom)12116AS 13285 testsblocked
42689 (Glide)gbr (United Kingdom)15210AS 42689 testsblocked
9070 (Cooolbox)bgr (Bulgaria)21714AS 9070 testsblocked
7992 (COGECOWAVE)can (Canada)24027AS 7992 testsblocked
46475 (LIMESTONENETWORKS)usa (United States)2637AS 46475 testsblocked
46573 (LAYER-HOST)usa (United States)2824AS 46573 testsblocked
5769 (VIDEOTRON)can (Canada)35526AS 5769 testsblocked
3352 (Telefonica_de_Espana)esp (Spain)359107AS 3352 testsblocked
30600 (AS-CMN)usa (United States)43160AS 30600 testsblocked
13213 (UK2NET-AS)gbr (United Kingdom)4869AS 13213 testsblocked
31898 (ORACLE-BMC-31898)usa (United States)91122AS 31898 testsblocked
36352 (AS-COLOCROSSING)usa (United States)102324AS 36352 testsblocked
11232 (MIDCO-NET)usa (United States)129565AS 11232 testsblocked
62240 (Clouvider)nld (Netherlands)132039AS 62240 testsblocked
3737 (AS-PTD)usa (United States)136546AS 3737 testsblocked
14080col (Colombia)147520AS 14080 testsblocked
24940 (HETZNER-AS)fin (Finland)157669AS 24940 testsblocked
46562 (PERFORMIVE)usa (United States)172745AS 46562 testsblocked
6079 (RCN-AS)usa (United States)1840162AS 6079 testsblocked
852 (ASN852)can (Canada)2441328AS 852 testsblocked
29802 (HVC-AS)usa (United States)255496AS 29802 testsblocked
8151mex (Mexico)321886AS 8151 testsblocked
9829 (BSNL-NIB)ind (India)3513611AS 9829 testsblocked
8551 (BEZEQ-INTERNATIONAL-AS)isr (Israel)6323234AS 8551 testsblocked
9009 (M247)che (Switzerland)6781279AS 9009 testsblocked
22773 (ASN-CXA-ALL-CCI-22773-RDC)usa (United States)7466554AS 22773 testsblocked
20115 (CHARTER-20115)usa (United States)76411179AS 20115 testsblocked
577 (BACOM)can (Canada)9120809AS 577 testsblocked
4230bra (Brazil)118303416AS 4230 testsblocked
2516 (KDDI)jpn (Japan)11993653AS 2516 testsblocked
60068 (CDN77)ukr (Ukraine)16909921AS 60068 testsblocked
20473 (AS-CHOOPA)usa (United States)512474980AS 20473 testsblocked
9498 (BBIL-AP)ind (India)17894320655AS 9498 testsblocked
4826 (VOCUS-BACKBONE-AS)aus (Australia)20535724533AS 4826 testsblocked

Address Space Announcement History

The customer cone for 3257 is too large for a prefix list to be useful.

Last Modified