[lacnog] Weekly Routing Table Report

Routing Analysis Role Account cscora en apnic.net
Vie Dic 1 16:02:55 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 02 Dec, 2017

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

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

BGP routing table entries examined:                              672139
    Prefixes after maximum aggregation (per Origin AS):          261947
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      325805
Total ASes present in the Internet Routing Table:                 59187
    Prefixes per ASN:                                             11.36
Origin-only ASes present in the Internet Routing Table:           51121
Origin ASes announcing only one prefix:                           22517
Transit ASes present in the Internet Routing Table:                8066
Transit-only ASes present in the Internet Routing Table:            238
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      42
    Max AS path prepend of ASN ( 23679)                              26
Prefixes from unregistered ASNs in the Routing Table:                85
    Number of instances of unregistered ASNs:                        85
Number of 32-bit ASNs allocated by the RIRs:                      20763
Number of 32-bit ASNs visible in the Routing Table:               16600
Prefixes from 32-bit ASNs in the Routing Table:                   68130
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:            327
Number of addresses announced to Internet:                   2861310370
    Equivalent to 170 /8s, 140 /16s and 33 /24s
    Percentage of available address space announced:               77.3
    Percentage of allocated address space announced:               77.3
    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:      222321

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

Prefixes being announced by APNIC Region ASes:                   184628
    Total APNIC prefixes after maximum aggregation:               53090
    APNIC Deaggregation factor:                                    3.48
Prefixes being announced from the APNIC address blocks:          183767
    Unique aggregates announced from the APNIC address blocks:    77055
APNIC Region origin ASes present in the Internet Routing Table:    8496
    APNIC Prefixes per ASN:                                       21.63
APNIC Region origin ASes announcing only one prefix:               2393
APNIC Region transit ASes present in the Internet Routing Table:   1231
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         42
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3373
Number of APNIC addresses announced to Internet:              767131170
    Equivalent to 45 /8s, 185 /16s and 126 /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:                    201468
    Total ARIN prefixes after maximum aggregation:                97048
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:           202861
    Unique aggregates announced from the ARIN address blocks:     94992
ARIN Region origin ASes present in the Internet Routing Table:    18034
    ARIN Prefixes per ASN:                                        11.25
ARIN Region origin ASes announcing only one prefix:                6676
ARIN Region transit ASes present in the Internet Routing Table:    1784
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:    2263
Number of ARIN addresses announced to Internet:              1112764192
    Equivalent to 66 /8s, 83 /16s and 111 /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:                    181131
    Total RIPE prefixes after maximum aggregation:                88587
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           177042
    Unique aggregates announced from the RIPE address blocks:    106948
RIPE Region origin ASes present in the Internet Routing Table:    24674
    RIPE Prefixes per ASN:                                         7.18
RIPE Region origin ASes announcing only one prefix:               11273
RIPE Region transit ASes present in the Internet Routing Table:    3496
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:    6443
Number of RIPE addresses announced to Internet:               713373312
    Equivalent to 42 /8s, 133 /16s and 54 /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:                   86955
    Total LACNIC prefixes after maximum aggregation:              19251
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:          88230
    Unique aggregates announced from the LACNIC address blocks:   39399
LACNIC Region origin ASes present in the Internet Routing Table:   6620
    LACNIC Prefixes per ASN:                                      13.33
LACNIC Region origin ASes announcing only one prefix:              1819
LACNIC Region transit ASes present in the Internet Routing Table:  1217
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:  4146
Number of LACNIC addresses announced to Internet:             172636640
    Equivalent to 10 /8s, 74 /16s and 57 /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:                  17870
    Total AfriNIC prefixes after maximum aggregation:              3909
    AfriNIC Deaggregation factor:                                  4.57
Prefixes being announced from the AfriNIC address blocks:         19912
    Unique aggregates announced from the AfriNIC address blocks:   7142
AfriNIC Region origin ASes present in the Internet Routing Table:  1098
    AfriNIC Prefixes per ASN:                                     18.13
AfriNIC Region origin ASes announcing only one prefix:              355
AfriNIC Region transit ASes present in the Internet Routing Table:  218
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:  375
Number of AfriNIC addresses announced to Internet:             95019008
    Equivalent to 5 /8s, 169 /16s and 224 /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         5397       4192      75  ERX-CERNET-BKB China Education and Rese
  7545         4067        410     408  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2786      11128     757  KIXS-AS-KR Korea Telecom, KR
 17974         2778        916      76  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9829         2763       1499     540  BSNL-NIB National Internet Backbone, IN
 45899         2415       1521     159  VNPT-AS-VN VNPT Corp, VN
  7552         2356       1158      55  VIETEL-AS-AP Viettel Group, VN
  9394         2168       4931      26  CTTNET China TieTong Telecommunications
  4755         2083        421     211  TATACOMM-AS TATA Communications formerl
  9808         2068       8699      32  CMNET-GD Guangdong Mobile Communication

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         3340       1323      87  SHAW - Shaw Communications Inc., CA
 22773         3303       2951     147  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2171        405     107  MEGAPATH5-US - MegaPath Corporation, US
 20115         2057       2290     455  CHARTER-NET-HKY-NC - Charter Communicat
  6389         2012       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 16509         1944       4076     586  AMAZON-02 - Amazon.com, Inc., US
   209         1929       5062     646  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1858        331     250  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 11492         1686        234     570  CABLEONE - CABLE ONE, INC., US
   701         1547      10589     625  UUNET - MCI Communications Services, In

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         3134        170      23  ALJAWWALSTC-AS, SA
 20940         2856        852    2061  AKAMAI-ASN1, US
  8551         2493        378      42  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2062       1795     695  ROSTELECOM-AS, RU
 34984         2059        330     433  TELLCOM-AS, TR
 12479         1939       1069     124  UNI2-AS, ES
  9121         1875       1691      18  TTNET, TR
 13188         1605        100      46  TRIOLAN, UA
  6849         1227        355      21  UKRTELNET, UA
  8402         1221        544      14  CORBINA-AS OJSC "Vimpelcom", RU

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         3645       3465     599  Uninet S.A. de C.V., MX
 10620         3557        539     276  Telmex Colombia S.A., CO
 11830         2647        370      66  Instituto Costarricense de Electricidad
  6503         1625        437      53  Axtel, S.A.B. de C.V., MX
  7303         1494       1021     195  Telecom Argentina S.A., AR
  6147         1222        377      27  Telefonica del Peru S.A.A., PE
  3816         1034        512     103  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573         1013       2248     191  CLARO S.A., BR
 11172          914        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         1212        398      48  LINKdotNET-AS, EG
 37611          806         91       8  Afrihost, ZA
 36903          737        370     135  MT-MPLS, MA
 36992          679       1383      31  ETISALAT-MISR, EG
  8452          534       1730      17  TE-AS TE-AS, EG
 24835          466        850      15  RAYA-AS, EG
 29571          435         36      10  CITelecom-AS, CI
 37492          425        367      77  ORANGE-, TN
 37342          356         32       1  MOVITEL, MZ
 15399          349         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         5397       4192      75  ERX-CERNET-BKB China Education and Rese
  7545         4067        410     408  TPG-INTERNET-AP TPG Telecom Limited, AU
  8151         3645       3465     599  Uninet S.A. de C.V., MX
 10620         3557        539     276  Telmex Colombia S.A., CO
  6327         3340       1323      87  SHAW - Shaw Communications Inc., CA
 22773         3303       2951     147  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 39891         3134        170      23  ALJAWWALSTC-AS, SA
 20940         2856        852    2061  AKAMAI-ASN1, US
  4766         2786      11128     757  KIXS-AS-KR Korea Telecom, KR
 17974         2778        916      76  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
  7545       4067         3659   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3557         3281   Telmex Colombia S.A., CO
  6327       3340         3253   SHAW - Shaw Communications Inc., CA
 22773       3303         3156   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 39891       3134         3111   ALJAWWALSTC-AS, SA
  8151       3645         3046   Uninet S.A. de C.V., MX
 17974       2778         2702   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
 11830       2647         2581   Instituto Costarricense de Electricidad y Telec
  8551       2493         2451   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  7552       2356         2301   VIETEL-AS-AP Viettel Group, 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
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  64710   PRIVATE      39.134.26.0/23       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.134.28.0/23       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.134.30.0/24       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.134.31.0/24       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.137.20.0/23       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.137.22.0/24       56042       CMNET-SHANXI-AP China Mobile c
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T

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       /9:13      /10:36      /11:106     /12:285     
/13:550     /14:1063    /15:1858    /16:13342   /17:7757    /18:13622   
/19:25209   /20:38934   /21:43959   /22:81721   /23:66497   /24:374918  
/25:838     /26:621     /27:657     /28:36      /29:21      /30:17      
/31:4       /32:60      

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

   ASN   No of nets  Total ann.  Description
  6327     3132          3340    SHAW - Shaw Communications Inc., CA
 39891     2562          3134    ALJAWWALSTC-AS, SA
 22773     2546          3303    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2066          2171    MEGAPATH5-US - MegaPath Corporation, US
 11830     1991          2647    Instituto Costarricense de Electricidad y Telec
  8551     1957          2493    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1625          1858    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1550          3557    Telmex Colombia S.A., CO
 11492     1499          1686    CABLEONE - CABLE ONE, INC., US
 34984     1367          2059    TELLCOM-AS, TR

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

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

   1:1569      2:818       4:18        5:2605      6:38        8:1078   
   9:1        12:1849     13:181      14:1741     15:29       16:3      
  17:185      18:76       20:53       21:1        23:2454     24:1926   
  25:2        27:2349     31:1961     32:87       35:21       36:449    
  37:2442     38:1440     39:88       40:100      41:3031     42:524    
  43:1949     44:83       45:3361     46:2853     47:186      49:1369   
  50:1040     51:34       52:903      54:354      55:6        56:4      
  57:42       58:1573     59:996      60:373      61:1997     62:1782   
  63:1838     64:4605     65:2241     66:4503     67:2293     68:1193   
  69:3173     70:1134     71:588      72:2096     74:2676     75:390    
  76:424      77:1545     78:1560     79:1887     80:1442     81:1411   
  82:1067     83:754      84:998      85:1934     86:484      87:1229   
  88:904      89:2300     90:174      91:6246     92:1032     93:2093   
  94:2411     95:2704     96:666      97:351      98:950      99:103    
 100:153     101:1477    102:1       103:16277   104:3191    105:209    
 106:517     107:1776    108:814     109:2935    110:1509    111:1730   
 112:1270    113:1372    114:1071    115:1605    116:1693    117:1625   
 118:2162    119:1650    120:732     121:1059    122:2401    123:1910   
 124:1477    125:1825    128:946     129:567     130:442     131:1551   
 132:599     133:194     134:957     135:228     136:445     137:467    
 138:1956    139:547     140:381     141:677     142:761     143:947    
 144:795     145:193     146:1126    147:695     148:1544    149:621    
 150:711     151:1005    152:731     153:303     154:957     155:740    
 156:740     157:754     158:593     159:1616    160:817     161:733    
 162:2541    163:531     164:939     165:1476    166:392     167:1338   
 168:3121    169:817     170:3553    171:401     172:1018    173:1893   
 174:836     175:766     176:1887    177:4014    178:2499    179:1148   
 180:2235    181:2109    182:2403    183:813     184:887     185:11618  
 186:3356    187:2339    188:2591    189:1975    190:8190    191:1339   
 192:9701    193:5866    194:4759    195:3972    196:2261    197:1425   
 198:5551    199:5887    200:7201    201:4854    202:10422   203:9977   
 204:4551    205:2866    206:3072    207:3094    208:3980    209:3874   
 210:3975    211:2076    212:2893    213:2599    214:868     215:65     
 216:5729    217:2098    218:889     219:628     220:1681    221:938    
 222:734     223:1204   

End of report


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