[lacnog] Weekly Routing Table Report

Routing Analysis Role Account cscora en apnic.net
Vie Dic 29 16:03:01 BRST 2017


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, SANOG, PacNOG, SAFNOG, CaribNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG.

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 <pfsinoz en gmail.com>.

Routing Table Report   04:00 +10GMT Sat 30 Dec, 2017

Report Website:     http://thyme.rand.apnic.net
Detailed Analysis:  http://thyme.rand.apnic.net/current/

Analysis Summary
----------------

BGP routing table entries examined:                              677557
    Prefixes after maximum aggregation (per Origin AS):          263618
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      328121
Total ASes present in the Internet Routing Table:                 59472
    Prefixes per ASN:                                             11.39
Origin-only ASes present in the Internet Routing Table:           51332
Origin ASes announcing only one prefix:                           22605
Transit ASes present in the Internet Routing Table:                8140
Transit-only ASes present in the Internet Routing Table:            256
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      30
    Max AS path prepend of ASN ( 29046)                              25
Prefixes from unregistered ASNs in the Routing Table:                88
    Number of instances of unregistered ASNs:                        89
Number of 32-bit ASNs allocated by the RIRs:                      21049
Number of 32-bit ASNs visible in the Routing Table:               16874
Prefixes from 32-bit ASNs in the Routing Table:                   69320
Number of bogon 32-bit ASNs visible in the Routing Table:            11
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            325
Number of addresses announced to Internet:                   2859634018
    Equivalent to 170 /8s, 114 /16s and 141 /24s
    Percentage of available address space announced:               77.2
    Percentage of allocated address space announced:               77.2
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.8
Total number of prefixes smaller than registry allocations:      224347

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   186321
    Total APNIC prefixes after maximum aggregation:               53408
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          185448
    Unique aggregates announced from the APNIC address blocks:    77495
APNIC Region origin ASes present in the Internet Routing Table:    8557
    APNIC Prefixes per ASN:                                       21.67
APNIC Region origin ASes announcing only one prefix:               2420
APNIC Region transit ASes present in the Internet Routing Table:   1250
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3442
Number of APNIC addresses announced to Internet:              770161954
    Equivalent to 45 /8s, 231 /16s and 189 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-137529
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, 150/8, 153/8,
                       163/8, 171/8, 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:                    202626
    Total ARIN prefixes after maximum aggregation:                97583
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:           203867
    Unique aggregates announced from the ARIN address blocks:     95602
ARIN Region origin ASes present in the Internet Routing Table:    18039
    ARIN Prefixes per ASN:                                        11.30
ARIN Region origin ASes announcing only one prefix:                6678
ARIN Region transit ASes present in the Internet Routing Table:    1783
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2285
Number of ARIN addresses announced to Internet:              1107279136
    Equivalent to 65 /8s, 255 /16s and 189 /24s
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, 62464-63487, 64198-64296, 393216-397212
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, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 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:                    183142
    Total RIPE prefixes after maximum aggregation:                89231
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           179113
    Unique aggregates announced from the RIPE address blocks:    107861
RIPE Region origin ASes present in the Internet Routing Table:    24778
    RIPE Prefixes per ASN:                                         7.23
RIPE Region origin ASes announcing only one prefix:               11313
RIPE Region transit ASes present in the Internet Routing Table:    3509
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6533
Number of RIPE addresses announced to Internet:               713927808
    Equivalent to 42 /8s, 141 /16s and 172 /24s
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
                       59392-61439, 61952-62463, 64396-64495
                       196608-207259
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,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   87687
    Total LACNIC prefixes after maximum aggregation:              19412
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:          88978
    Unique aggregates announced from the LACNIC address blocks:   39696
LACNIC Region origin ASes present in the Internet Routing Table:   6705
    LACNIC Prefixes per ASN:                                      13.27
LACNIC Region origin ASes announcing only one prefix:              1829
LACNIC Region transit ASes present in the Internet Routing Table:  1248
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        29
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4232
Number of LACNIC addresses announced to Internet:             172587936
    Equivalent to 10 /8s, 73 /16s and 123 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-268700 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  17691
    Total AfriNIC prefixes after maximum aggregation:              3917
    AfriNIC Deaggregation factor:                                  4.52
Prefixes being announced from the AfriNIC address blocks:         19826
    Unique aggregates announced from the AfriNIC address blocks:   7199
AfriNIC Region origin ASes present in the Internet Routing Table:  1105
    AfriNIC Prefixes per ASN:                                     17.94
AfriNIC Region origin ASes announcing only one prefix:              364
AfriNIC Region transit ASes present in the Internet Routing Table:  224
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  382
Number of AfriNIC addresses announced to Internet:             95270656
    Equivalent to 5 /8s, 173 /16s and 183 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  4538         5423       4194      86  ERX-CERNET-BKB China Education and Rese
  7545         3271        403     390  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2882      11133     767  KIXS-AS-KR Korea Telecom, KR
 17974         2782        918      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9829         2765       1499     540  BSNL-NIB National Internet Backbone, IN
 45899         2561       1538     149  VNPT-AS-VN VNPT Corp, VN
  7552         2530       1159      46  VIETEL-AS-AP Viettel Group, VN
  9394         2168       4923      26  CTTNET China TieTong Telecommunications
  9808         2090       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2084        417     209  TATACOMM-AS TATA Communications formerl

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
  6327         3341       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3307       2951     146  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2169        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2066       2324     465  CHARTER-NET-HKY-NC - Charter Communicat
 16509         1987       4081     583  AMAZON-02 - Amazon.com, Inc., US
  6389         1960       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
   209         1944       5063     649  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1867        332     244  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 11492         1725        235     572  CABLEONE - CABLE ONE, INC., US
  7018         1671      20197    1243  ATT-INTERNET4 - AT&T Services, Inc., US

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
 39891         3520        187      21  ALJAWWALSTC-AS, SA
 20940         2856        848    2059  AKAMAI-ASN1, US
  8551         2284        378      42  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2092       1830     688  ROSTELECOM-AS, RU
 34984         2004        330     468  TELLCOM-AS, TR
 12479         1982       1068     127  UNI2-AS, ES
  9121         1951       1691      17  TTNET, TR
 13188         1605        100      46  TRIOLAN, UA
  8402         1233        544      14  CORBINA-AS OJSC "Vimpelcom", RU
  6849         1228        355      21  UKRTELNET, UA

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
  8151         3749       3433     599  Uninet S.A. de C.V., MX
 10620         3578        539     262  Telmex Colombia S.A., CO
 11830         2631        370      66  Instituto Costarricense de Electricidad
  6503         1617        437      53  Axtel, S.A.B. de C.V., MX
  7303         1497       1022     194  Telecom Argentina S.A., AR
  6147         1192        377      27  Telefonica del Peru S.A.A., PE
 28573         1022       2259     189  CLARO S.A., BR
  3816         1010        507     113  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          919        126      85  Alestra, S. de R.L. de C.V., MX
 18881          904       1065      27  TELEF‘NICA BRASIL S.A, BR

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
 24863         1192        398      48  LINKdotNET-AS, EG
 37611          780         91       8  Afrihost, ZA
 36903          741        372     137  MT-MPLS, MA
 36992          657       1383      31  ETISALAT-MISR, EG
  8452          520       1730      18  TE-AS TE-AS, EG
 24835          449        786      17  RAYA-AS, EG
 29571          443         36      13  CITelecom-AS, CI
 37492          435        367      77  ORANGE-, TN
 37342          356         32       1  MOVITEL, MZ
 15399          342         35       7  WANANCHI-, KE

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
  4538         5423       4194      86  ERX-CERNET-BKB China Education and Rese
  8151         3749       3433     599  Uninet S.A. de C.V., MX
 10620         3578        539     262  Telmex Colombia S.A., CO
 39891         3520        187      21  ALJAWWALSTC-AS, SA
  6327         3341       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3307       2951     146  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  7545         3271        403     390  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2882      11133     767  KIXS-AS-KR Korea Telecom, KR
 20940         2856        848    2059  AKAMAI-ASN1, US
 17974         2782        918      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings  Description
 39891       3520         3499   ALJAWWALSTC-AS, SA
 10620       3578         3316   Telmex Colombia S.A., CO
  6327       3341         3255   SHAW - Shaw Communications Inc., CA
 22773       3307         3161   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8151       3749         3150   Uninet S.A. de C.V., MX
  7545       3271         2881   TPG-INTERNET-AP TPG Telecom Limited, AU
 17974       2782         2705   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
 11830       2631         2565   Instituto Costarricense de Electricidad y Telec
  7552       2530         2484   VIETEL-AS-AP Viettel Group, VN
 45899       2561         2412   VNPT-AS-VN VNPT Corp, VN

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS    Designation  Network              Transit AS  Description
  64525   PRIVATE      45.119.143.0/24     133275       GIGANTIC-AS Gigantic Infotel P
  64525   PRIVATE      45.125.62.0/24      133275       GIGANTIC-AS Gigantic Infotel P
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  65534   PRIVATE      58.68.109.0/24       10201       DWL-AS-IN Dishnet Wireless Lim
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
 204819   UNALLOCATED  82.195.160.0/22       1239       SPRINTLINK - Sprint, US
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T
  64609   PRIVATE      94.245.126.0/24       6584       MICROSOFT-GP-AS - Microsoft Co
  65000   PRIVATE      95.179.2.0/24        65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.3.0/24        65001       -Private Use AS-, ZZ

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Advertised Unallocated Addresses
--------------------------------

Network            Origin AS  Description
14.128.14.0/23       10247    NETLINE, ZA
14.192.50.0/23       10247    NETLINE, ZA
14.192.58.0/23       10247    NETLINE, ZA
27.100.7.0/24        56096    UNKNOWN
36.255.250.0/23      10247    NETLINE, ZA
41.78.180.0/23       37265    -Reserved AS-, ZZ
43.228.144.0/22       9829    BSNL-NIB National Internet Backbone, IN
43.251.20.0/22        9381    WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22      133676    PNPL-AS Precious netcom pvt ltd, IN
43.251.84.0/23      133676    PNPL-AS Precious netcom pvt ltd, IN

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        /8:15       /9:12      /10:37      /11:99      /12:279     
/13:557     /14:1087    /15:1894    /16:13409   /17:7771    /18:13659   
/19:25260   /20:38896   /21:44589   /22:82574   /23:66696   /24:378478  
/25:840     /26:607     /27:661     /28:36      /29:20      /30:17      
/31:4       /32:60      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN   No of nets  Total ann.  Description
  6327     3133          3341    SHAW - Shaw Communications Inc., CA
 39891     2946          3520    ALJAWWALSTC-AS, SA
 22773     2552          3307    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2063          2169    MEGAPATH5-US - MegaPath Corporation, US
 11830     1977          2631    Instituto Costarricense de Electricidad y Telec
  8551     1748          2284    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1634          1867    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1577          3578    Telmex Colombia S.A., CO
 11492     1521          1725    CABLEONE - CABLE ONE, INC., US
  9121     1427          1951    TTNET, TR

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1572      2:820       4:18        5:2638      6:39        8:1094   
   9:1        12:1854     13:196      14:1758     15:28       16:3      
  17:185      18:76       20:53       21:12       23:2494     24:1924   
  25:2        27:2335     31:1966     32:87       35:22       36:460    
  37:2465     38:1461     39:223      40:101      41:2989     42:537    
  43:1917     44:91       45:3521     46:2978     47:192      49:1371   
  50:1052     51:47       52:921      54:355      55:6        56:7      
  57:42       58:1572     59:1002     60:372      61:1992     62:1767   
  63:1818     64:4648     65:2244     66:4486     67:2308     68:1192   
  69:3160     70:1132     71:587      72:2114     74:2697     75:392    
  76:423      77:1554     78:1616     79:1961     80:1475     81:1405   
  82:1070     83:778      84:1005     85:1977     86:569      87:1222   
  88:913      89:2311     90:175      91:6277     92:1124     93:2346   
  94:2432     95:2725     96:667      97:356      98:960      99:107    
 100:152     101:1531    102:10      103:16591   104:3208    105:211    
 106:520     107:1800    108:823     109:2717    110:1546    111:1718   
 112:1288    113:1391    114:1119    115:1598    116:1637    117:1664   
 118:2218    119:1656    120:912     121:1057    122:2414    123:1879   
 124:1482    125:1840    128:963     129:580     130:440     131:1630   
 132:596     133:194     134:997     135:221     136:449     137:457    
 138:1983    139:554     140:387     141:678     142:770     143:950    
 144:792     145:195     146:1147    147:687     148:1481    149:716    
 150:717     151:990     152:750     153:307     154:971     155:743    
 156:744     157:745     158:598     159:1649    160:849     161:735    
 162:2542    163:520     164:976     165:1487    166:398     167:1351   
 168:3112    169:787     170:3629    171:404     172:1020    173:1915   
 174:858     175:775     176:1859    177:3939    178:2485    179:1159   
 180:2232    181:2138    182:2402    183:1044    184:892     185:11951  
 186:3441    187:2340    188:2624    189:1940    190:8217    191:1341   
 192:9738    193:5861    194:4775    195:3987    196:2297    197:1426   
 198:5527    199:5885    200:7277    201:4903    202:10403   203:9947   
 204:4562    205:2872    206:3042    207:3107    208:3991    209:3939   
 210:4005    211:2128    212:2919    213:2624    214:859     215:66     
 216:5740    217:2111    218:910     219:626     220:1728    221:983    
 222:742     223:1229   

End of report


Más información sobre la lista de distribución LACNOG