[lacnog] Weekly Routing Table Report

Arturo Servin aservin en lacnic.net
Vie Mar 18 15:58:04 BRT 2011


	Bad and naughty:

http://thyme.rand.apnic.net/current/data-badpfx-nos

	Who should read this report more frequently:

http://thyme.rand.apnic.net/current/data-CIDRnet-pc-LACNIC

http://thyme.rand.apnic.net/current/data-CIDRnet-LACNIC

	Naughty and … evil?

http://thyme.rand.apnic.net/current/data-add-IANA
http://thyme.rand.apnic.net/current/data-badAS


-as


On 18 Mar 2011, at 15:38, Routing Analysis Role Account wrote:

> This is an automated weekly mailing describing the state of the Internet
> Routing Table as seen from APNIC's router in Japan.
> 
> The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
> CaribNOG and the RIPE Routing Working Group.
> 
> Daily listings are sent to bgp-stats en lists.apnic.net
> 
> For historical data, please see http://thyme.rand.apnic.net.
> 
> If you have any comments please contact Philip Smith <pfs en cisco.com>.
> 
> Routing Table Report   04:00 +10GMT Sat 19 Mar, 2011
> 
> Report Website:     http://thyme.rand.apnic.net
> Detailed Analysis:  http://thyme.rand.apnic.net/current/
> 
> Analysis Summary
> ----------------
> 
> BGP routing table entries examined:                              350396
>    Prefixes after maximum aggregation:                          158064
>    Deaggregation factor:                                          2.22
>    Unique aggregates announced to Internet:                     173325
> Total ASes present in the Internet Routing Table:                 36104
>    Prefixes per ASN:                                              9.71
> Origin-only ASes present in the Internet Routing Table:           31128
> Origin ASes announcing only one prefix:                           14967
> Transit ASes present in the Internet Routing Table:                4976
> Transit-only ASes present in the Internet Routing Table:            126
> Average AS path length visible in the Internet Routing Table:       4.3
>    Max AS path length visible:                                      31
>    Max AS path prepend of ASN (36992)                               29
> Prefixes from unregistered ASNs in the Routing Table:               419
>    Unregistered ASNs in the Routing Table:                         197
> Number of 32-bit ASNs allocated by the RIRs:                       1207
> Prefixes from 32-bit ASNs in the Routing Table:                       1
> Special use prefixes present in the Routing Table:                    0
> Prefixes being announced from unallocated address space:            195
> Number of addresses announced to Internet:                   2389006912
>    Equivalent to 142 /8s, 101 /16s and 90 /24s
>    Percentage of available address space announced:               64.5
>    Percentage of allocated address space announced:               64.5
>    Percentage of available address space allocated:              100.0
>    Percentage of address space in use by end-sites:               89.5
> Total number of prefixes smaller than registry allocations:      145036
> 
> APNIC Region Analysis Summary
> -----------------------------
> 
> Prefixes being announced by APNIC Region ASes:                    87454
>    Total APNIC prefixes after maximum aggregation:               29725
>    APNIC Deaggregation factor:                                    2.94
> Prefixes being announced from the APNIC address blocks:           84332
>    Unique aggregates announced from the APNIC address blocks:    36512
> APNIC Region origin ASes present in the Internet Routing Table:    4355
>    APNIC Prefixes per ASN:                                       19.36
> APNIC Region origin ASes announcing only one prefix:               1209
> APNIC Region transit ASes present in the Internet Routing Table:    688
> Average APNIC Region AS path length visible:                        4.4
>    Max APNIC Region AS path length visible:                         20
> Number of APNIC addresses announced to Internet:              599437120
>    Equivalent to 35 /8s, 186 /16s and 175 /24s
>    Percentage of available APNIC address space announced:         76.0
> 
> APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
> (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
>                       55296-56319, 131072-132095
> APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
>                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
>                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
>                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
>                       123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8,
>                       182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8,
>                       219/8, 220/8, 221/8, 222/8, 223/8,
> 
> ARIN Region Analysis Summary
> ----------------------------
> 
> Prefixes being announced by ARIN Region ASes:                    140255
>    Total ARIN prefixes after maximum aggregation:                71845
>    ARIN Deaggregation factor:                                     1.95
> Prefixes being announced from the ARIN address blocks:           110784
>    Unique aggregates announced from the ARIN address blocks:     45089
> ARIN Region origin ASes present in the Internet Routing Table:    14268
>    ARIN Prefixes per ASN:                                         7.76
> ARIN Region origin ASes announcing only one prefix:                5424
> ARIN Region transit ASes present in the Internet Routing Table:    1481
> Average ARIN Region AS path length visible:                         4.0
>    Max ARIN Region AS path length visible:                          23
> Number of ARIN addresses announced to Internet:               796960256
>    Equivalent to 47 /8s, 128 /16s and 166 /24s
>    Percentage of available ARIN address space announced:          63.3
> 
> ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
> (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
>                       3354-4607, 4865-5119, 5632-6655, 6912-7466
>                       7723-8191, 10240-12287, 13312-15359, 16384-17407
>                       18432-20479, 21504-23551, 25600-26591,
>                       26624-27647, 29696-30719, 31744-33791
>                       35840-36863, 39936-40959, 46080-47103
>                       53248-55295, 393216-394239
> ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
>                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
>                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
>                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
>                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
>                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
>                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
>                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
>                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 173/8,
>                       174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8,
>                       208/8, 209/8, 214/8, 215/8, 216/8,
> 
> RIPE Region Analysis Summary
> ----------------------------
> 
> Prefixes being announced by RIPE Region ASes:                     82861
>    Total RIPE prefixes after maximum aggregation:                47241
>    RIPE Deaggregation factor:                                     1.75
> Prefixes being announced from the RIPE address blocks:            76228
>    Unique aggregates announced from the RIPE address blocks:     49953
> RIPE Region origin ASes present in the Internet Routing Table:    15431
>    RIPE Prefixes per ASN:                                         4.94
> RIPE Region origin ASes announcing only one prefix:                7778
> RIPE Region transit ASes present in the Internet Routing Table:    2398
> Average RIPE Region AS path length visible:                         4.6
>    Max RIPE Region AS path length visible:                          30
> Number of RIPE addresses announced to Internet:               465167872
>    Equivalent to 27 /8s, 185 /16s and 230 /24s
>    Percentage of available RIPE address space announced:          74.9
> 
> RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
> (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
>                       6656-6911, 8192-9215, 12288-13311, 15360-16383
>                       20480-21503, 24576-25599, 28672-29695
>                       30720-31743, 33792-35839, 38912-39935
>                       40960-45055, 47104-52223, 56320-58367
>                       196608-198655
> RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
>                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
>                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
>                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
>                       176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8,
>                       213/8, 217/8,
> 
> LACNIC Region Analysis Summary
> ------------------------------
> 
> Prefixes being announced by LACNIC Region ASes:                   32138
>    Total LACNIC prefixes after maximum aggregation:               7344
>    LACNIC Deaggregation factor:                                   4.38
> Prefixes being announced from the LACNIC address blocks:          31063
>    Unique aggregates announced from the LACNIC address blocks:   16158
> LACNIC Region origin ASes present in the Internet Routing Table:   1433
>    LACNIC Prefixes per ASN:                                      21.68
> LACNIC Region origin ASes announcing only one prefix:               428
> LACNIC Region transit ASes present in the Internet Routing Table:   261
> Average LACNIC Region AS path length visible:                       4.4
>    Max LACNIC Region AS path length visible:                        18
> Number of LACNIC addresses announced to Internet:              81506688
>    Equivalent to 4 /8s, 219 /16s and 177 /24s
>    Percentage of available LACNIC address space announced:        54.0
> 
> LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
>                       262144-263167 plus ERX transfers
> LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
>                       200/8, 201/8,
> 
> AfriNIC Region Analysis Summary
> -------------------------------
> 
> Prefixes being announced by AfriNIC Region ASes:                   7476
>    Total AfriNIC prefixes after maximum aggregation:              1806
>    AfriNIC Deaggregation factor:                                  4.14
> Prefixes being announced from the AfriNIC address blocks:          5882
>    Unique aggregates announced from the AfriNIC address blocks:   1800
> AfriNIC Region origin ASes present in the Internet Routing Table:   434
>    AfriNIC Prefixes per ASN:                                     13.55
> AfriNIC Region origin ASes announcing only one prefix:              127
> AfriNIC Region transit ASes present in the Internet Routing Table:   93
> Average AfriNIC Region AS path length visible:                      5.4
>    Max AfriNIC Region AS path length visible:                       31
> Number of AfriNIC addresses announced to Internet:             22062080
>    Equivalent to 1 /8s, 80 /16s and 164 /24s
>    Percentage of available AfriNIC address space announced:       32.9
> 
> AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
> AfriNIC Address Blocks  41/8, 102/8, 105/8, 197/8,
> 
> APNIC Region per AS prefix count summary
> ----------------------------------------
> 
>  ASN   No of nets  /20 equiv  MaxAgg  Description
> 4766     2426       9508         896   Korea Telecom (KIX)
> 7545     1569        301          84   TPG Internet Pty Ltd
> 4755     1476        653         158   TATA Communications formerly 
> 17974     1443        480          34   PT TELEKOMUNIKASI INDONESIA
> 24560     1134        324         187   Bharti Airtel Ltd., Telemedia
> 9583     1047         77         490   Sify Limited
> 4808     1046       2142         294   CNCGROUP IP network: China169
> 9829     1004        868          53   BSNL National Internet Backbo
> 18101      939        117         143   Reliance Infocom Ltd Internet
> 17488      936        162          96   Hathway IP Over Cable Interne
> 
> Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
> 
> ARIN Region per AS prefix count summary
> ---------------------------------------
> 
>  ASN   No of nets  /20 equiv  MaxAgg  Description
> 6389     3675       3839         259   bellsouth.net, inc. 
> 4323     2569       1093         402   Time Warner Telecom
> 1785     1792        681         131   PaeTec Communications, Inc.
> 18566     1606        331         194   Covad Communications 
> 6478     1551        300          76   AT&T Worldnet Services 
> 20115     1527       1536         645   Charter Communications 
> 19262     1488       4939         299   Verizon Global Networks 
> 7018     1368       6835         887   AT&T WorldNet Services
> 11492     1314        236          64   Cable One 
> 2386     1289        536         929   AT&T Data Communications Serv
> 
> Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
> 
> RIPE Region per AS prefix count summary
> ---------------------------------------
> 
>  ASN   No of nets  /20 equiv  MaxAgg  Description
> 6830      515       1780         318   UPC Distribution Services
> 9198      472        267          15   Kazakhtelecom Data Network Ad
> 34984      455         95         203   BILISIM TELEKOM
> 3292      453       2013         391   TDC Tele Danmark
> 8866      443        133          24   Bulgarian Telecommunication C
> 20940      411         98         314   Akamai Technologies European 
> 3320      406       7604         354   Deutsche Telekom AG
> 8551      403        353          46   Bezeq International
> 12479      403        577           6   Uni2 Autonomous System
> 8402      398        320          11   Corbina telecom
> 
> Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
> 
> LACNIC Region per AS prefix count summary
> -----------------------------------------
> 
>  ASN   No of nets  /20 equiv  MaxAgg  Description
> 10620     1392        259         163   TVCABLE BOGOTA 
> 28573     1243        965          82   NET Servicos de Comunicao S.A
> 8151     1238       2702         368   UniNet S.A. de C.V. 
> 6503     1175        354          73   AVANTEL, S.A. 
> 7303      923        464         147   Telecom Argentina Stet-France
> 14420      639         52          91   CORPORACION NACIONAL DE TELEC
> 22047      543        310          15   VTR PUNTO NET S.A. 
> 3816      513        225          97   Empresa Nacional de Telecomun
> 13489      491        213         106   Orbitel S.A. E.S.P. 
> 11172      487         99          81   Servicios Alestra S.A de C.V 
> 
> Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
> 
> AfriNIC Region per AS prefix count summary
> ------------------------------------------
> 
>  ASN   No of nets  /20 equiv  MaxAgg  Description
> 8452      791        445          11   TEDATA
> 24863      773        147          39   LINKdotNET AS number
> 15475      420         90           8   Nile Online
> 36992      297        271          14   Etisalat MISR
> 3741      266        987         228   The Internet Solution 
> 33776      230         13           5   Starcomms Nigeria Limited
> 24835      220         78          10   RAYA Telecom - Egypt
> 6713      207        199          11   Itissalat Al-MAGHRIB
> 29571      192         17          11   Ci Telecom Autonomous system 
> 16637      147        439          87   MTN Network Solutions
> 
> Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
> 
> Global Per AS prefix count summary
> ----------------------------------
> 
>  ASN   No of nets  /20 equiv  MaxAgg  Description
> 6389     3675       3839         259   bellsouth.net, inc. 
> 4323     2569       1093         402   Time Warner Telecom
> 4766     2426       9508         896   Korea Telecom (KIX)
> 1785     1792        681         131   PaeTec Communications, Inc.
> 18566     1606        331         194   Covad Communications 
> 7545     1569        301          84   TPG Internet Pty Ltd
> 6478     1551        300          76   AT&T Worldnet Services 
> 20115     1527       1536         645   Charter Communications 
> 19262     1488       4939         299   Verizon Global Networks 
> 4755     1476        653         158   TATA Communications formerly 
> 
> Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
> 
> Global Per AS Maximum Aggr summary
> ----------------------------------
> 
>  ASN   No of nets  Net Savings Description
> 4323      2569        2167      Time Warner Telecom
> 1785      1792        1661      PaeTec Communications, Inc.
> 4766      2426        1530      Korea Telecom (KIX)
> 7545      1569        1485      TPG Internet Pty Ltd
> 6478      1551        1475      AT&T Worldnet Services 
> 18566      1606        1412      Covad Communications 
> 17974      1443        1409      PT TELEKOMUNIKASI INDONESIA
> 4755      1476        1318      TATA Communications formerly 
> 11492      1314        1250      Cable One 
> 10620      1392        1229      TVCABLE BOGOTA 
> 
> Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
> 
> List of Unregistered Origin ASNs (Global)
> -----------------------------------------
> 
> Bad AS  Designation  Network              Transit AS  Description
> 15132   UNALLOCATED  12.9.150.0/24         7018       AT&T WorldNet Servic
> 32567   UNALLOCATED  12.14.170.0/24        4323       Time Warner Telecom
> 13746   UNALLOCATED  12.24.56.0/24         7018       AT&T WorldNet Servic
> 32567   UNALLOCATED  12.25.107.0/24        4323       Time Warner Telecom
> 26973   UNALLOCATED  12.39.152.0/24        7018       AT&T WorldNet Servic
> 26973   UNALLOCATED  12.39.154.0/23        7018       AT&T WorldNet Servic
> 26973   UNALLOCATED  12.39.155.0/24        7018       AT&T WorldNet Servic
> 26973   UNALLOCATED  12.39.159.0/24        7018       AT&T WorldNet Servic
> 25639   UNALLOCATED  12.41.169.0/24        7018       AT&T WorldNet Servic
> 13317   UNALLOCATED  12.44.10.0/24         7018       AT&T WorldNet Servic
> 
> Complete listing at http://thyme.rand.apnic.net/current/data-badAS
> 
> Advertised Unallocated Addresses
> --------------------------------
> 
> Network            Origin AS  Description
> 24.225.128.0/18      36377     Comcast Telecommunications, I
> 24.225.192.0/23      36377     Comcast Telecommunications, I
> 24.225.192.0/18      36377     Comcast Telecommunications, I
> 24.225.224.0/21      36377     Comcast Telecommunications, I
> 24.225.237.0/24      36377     Comcast Telecommunications, I
> 24.225.248.0/21      36377     Comcast Telecommunications, I
> 31.31.96.0/19         6876     TeNeT Autonomous System
> 31.31.160.0/21       50168     Bogal AB
> 41.57.192.0/18       22750     BCSNET
> 41.222.79.0/24       36938     >>UNKNOWN<<
> 
> Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
> 
> Number of prefixes announced per prefix length (Global)
> -------------------------------------------------------
> 
> /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
> /7:0        /8:19       /9:11      /10:26      /11:74      /12:217     
> /13:447     /14:767     /15:1373    /16:11566   /17:5690    /18:9398    
> /19:19019   /20:24711   /21:25164   /22:33584   /23:32079   /24:183044  
> /25:1126    /26:1302    /27:722     /28:40      /29:9       /30:2       
> /31:0       /32:6       
> 
> Advertised prefixes smaller than registry allocations
> -----------------------------------------------------
> 
>  ASN   No of nets  Total ann.   Description
> 6389     2268          3675      bellsouth.net, inc. 
> 18566     1585          1606      Covad Communications 
> 6478     1505          1551      AT&T Worldnet Services 
> 4323     1380          2569      Time Warner Telecom
> 10620     1283          1392      TVCABLE BOGOTA 
> 11492     1271          1314      Cable One 
> 7011     1062          1162      Citizens Utilities 
> 1785     1057          1792      PaeTec Communications, Inc.
> 6503      955          1175      AVANTEL, S.A. 
> 22773      835          1287      Cox Communications, Inc.
> 
> Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
> 
> Number of /24s announced per /8 block (Global)
> ----------------------------------------------
> 
>   1:272       2:61        4:14        5:1         8:342      12:2021   
>  13:1        14:422      15:15       16:3        17:8        20:10     
>  23:3        24:1558     27:654      31:2        32:60       33:3      
>  34:2        37:1        38:714      39:1        40:101      41:2279   
>  44:3        46:731      47:4        49:162      50:109      52:13     
>  55:3        56:2        57:32       58:866      59:492      60:386    
>  61:1149     62:997      63:1926     64:3873     65:2353     66:4367   
>  67:1771     68:1076     69:2905     70:698      71:359      72:1935   
>  73:1        74:2325     75:284      76:343      77:844      78:697    
>  79:453      80:1091     81:817      82:515      83:466      84:645    
>  85:1042     86:554      87:756      88:353      89:1565     90:174    
>  91:3642     92:504      93:1042     94:1226     95:782      96:448    
>  97:251      98:799      99:34      101:49      106:1       107:4      
> 108:72      109:908     110:520     111:715     112:320     113:374    
> 114:504     115:713     116:968     117:674     118:723     119:1077   
> 120:257     121:767     122:1609    123:1042    124:1300    125:1248   
> 128:265     129:170     130:172     131:551     132:100     133:20     
> 134:215     135:49      136:212     137:145     138:299     139:113    
> 140:479     141:173     142:377     143:382     144:473     145:52     
> 146:436     147:208     148:615     149:275     150:161     151:187    
> 152:298     153:180     154:3       155:375     156:185     157:348    
> 158:127     159:372     160:313     161:212     162:278     163:164    
> 164:489     165:351     166:499     167:411     168:722     169:156    
> 170:761     171:69      172:2       173:1250    174:522     175:333    
> 177:43      178:810     180:791     181:4       182:398     183:245    
> 184:228     185:1       186:1056    187:865     188:914     189:1031   
> 190:4750    192:5768    193:4792    194:3494    195:2945    196:1178   
> 197:15      198:3566    199:3873    200:5523    201:1586    202:8392   
> 203:8467    204:4111    205:2310    206:2642    207:3025    208:3902   
> 209:3486    210:2676    211:1352    212:1947    213:1702    214:756    
> 215:66      216:4861    217:1647    218:550     219:381     220:1195   
> 221:472     222:321     223:100    
> 
> End of report
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