[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Apr 14 18:02:43 UTC 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, AusNOG, SANOG, PacNOG,
MENOG, SAFNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 15 Apr, 2017

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

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

BGP routing table entries examined:                              643601
    Prefixes after maximum aggregation (per Origin AS):          250591
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      310784
Total ASes present in the Internet Routing Table:                 56864
    Prefixes per ASN:                                             11.32
Origin-only ASes present in the Internet Routing Table:           49206
Origin ASes announcing only one prefix:                           21776
Transit ASes present in the Internet Routing Table:                7658
Transit-only ASes present in the Internet Routing Table:            225
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      40
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:                76
    Numnber of instances of unregistered ASNs:                       77
Number of 32-bit ASNs allocated by the RIRs:                      18159
Number of 32-bit ASNs visible in the Routing Table:               14096
Prefixes from 32-bit ASNs in the Routing Table:                   56945
Number of bogon 32-bit ASNs visible in the Routing Table:            20
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            425
Number of addresses announced to Internet:                   2841682052
    Equivalent to 169 /8s, 96 /16s and 160 /24s
    Percentage of available address space announced:               76.8
    Percentage of allocated address space announced:               76.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.5
Total number of prefixes smaller than registry allocations:      214701

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

Prefixes being announced by APNIC Region ASes:                   175737
    Total APNIC prefixes after maximum aggregation:               50338
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          174905
    Unique aggregates announced from the APNIC address blocks:    72377
APNIC Region origin ASes present in the Internet Routing Table:    7994
    APNIC Prefixes per ASN:                                       21.88
APNIC Region origin ASes announcing only one prefix:               2230
APNIC Region transit ASes present in the Internet Routing Table:   1132
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         40
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2841
Number of APNIC addresses announced to Internet:              762799748
    Equivalent to 45 /8s, 119 /16s and 102 /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:                    196280
    Total ARIN prefixes after maximum aggregation:                93864
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:           198554
    Unique aggregates announced from the ARIN address blocks:     91059
ARIN Region origin ASes present in the Internet Routing Table:    17876
    ARIN Prefixes per ASN:                                        11.11
ARIN Region origin ASes announcing only one prefix:                6632
ARIN Region transit ASes present in the Internet Routing Table:    1775
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:    1900
Number of ARIN addresses announced to Internet:              1107869600
    Equivalent to 66 /8s, 8 /16s and 191 /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:                    174278
    Total RIPE prefixes after maximum aggregation:                84780
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           169683
    Unique aggregates announced from the RIPE address blocks:    101754
RIPE Region origin ASes present in the Internet Routing Table:    23917
    RIPE Prefixes per ASN:                                         7.09
RIPE Region origin ASes announcing only one prefix:               11040
RIPE Region transit ASes present in the Internet Routing Table:    3401
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5745
Number of RIPE addresses announced to Internet:               711115904
    Equivalent to 42 /8s, 98 /16s and 196 /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:                   80642
    Total LACNIC prefixes after maximum aggregation:              17819
    LACNIC Deaggregation factor:                                   4.53
Prefixes being announced from the LACNIC address blocks:          81837
    Unique aggregates announced from the LACNIC address blocks:   38261
LACNIC Region origin ASes present in the Internet Routing Table:   5796
    LACNIC Prefixes per ASN:                                      14.12
LACNIC Region origin ASes announcing only one prefix:              1556
LACNIC Region transit ASes present in the Internet Routing Table:  1057
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3308
Number of LACNIC addresses announced to Internet:             170365664
    Equivalent to 10 /8s, 39 /16s and 146 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-266652 + 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:                  16577
    Total AfriNIC prefixes after maximum aggregation:              3728
    AfriNIC Deaggregation factor:                                  4.45
Prefixes being announced from the AfriNIC address blocks:         18197
    Unique aggregates announced from the AfriNIC address blocks:   6963
AfriNIC Region origin ASes present in the Internet Routing Table:  1028
    AfriNIC Prefixes per ASN:                                     17.70
AfriNIC Region origin ASes announcing only one prefix:              318
AfriNIC Region transit ASes present in the Internet Routing Table:  199
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  302
Number of AfriNIC addresses announced to Internet:             89038080
    Equivalent to 5 /8s, 78 /16s and 157 /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         5565       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3737        391     263  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2993        903      72  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2802      11150     755  KIXS-AS-KR Korea Telecom, KR
  9829         2732       1499     540  BSNL-NIB National Internet Backbone, IN
  9808         2198       8698      33  CMNET-GD Guangdong Mobile Communication
 45899         2075       1373     114  VNPT-AS-VN VNPT Corp, VN
  4755         2070        421     218  TATACOMM-AS TATA Communications formerl
  9583         1574        121     542  SIFY-AS-IN Sify Limited, IN
  4808         1567       1790     447  CHINA169-BJ China Unicom Beijing Provin

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
 22773         3693       2969     153  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3386       1333      83  SHAW - Shaw Communications Inc., CA
 18566         2185        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2068       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         1986       2107     404  CHARTER-NET-HKY-NC - Charter Communicat
   209         1789       5067     636  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1771       3387     566  AMAZON-02 - Amazon.com, Inc., US
 30036         1735        321     364  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1685        854     231  ITCDELTA - Earthlink, Inc., US
   701         1567      10579     641  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         3334        171      18  ALJAWWALSTC-AS, SA
  8551         3237        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         3014       1087    2135  AKAMAI-ASN1, US
  9121         2699       1691      17  TTNET, TR
 34984         2008        328     384  TELLCOM-AS, TR
 13188         1631         99      51  TRIOLAN, UA
 12479         1546       1044      52  UNI2-AS, ES
 12389         1423       1307     580  ROSTELECOM-AS, RU
  9198         1321        352      23  KAZTELECOM-AS, KZ
  6849         1252        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
 10620         3544        546     144  Telmex Colombia S.A., CO
  8151         2495       3389     555  Uninet S.A. de C.V., MX
 11830         1820        369      57  Instituto Costarricense de Electricidad
  7303         1557       1004     247  Telecom Argentina S.A., AR
  6503         1540        437      53  Axtel, S.A.B. de C.V., MX
  6147         1260        377      27  Telefonica del Peru S.A.A., PE
 28573         1084       2294     180  CLARO S.A., BR
  3816         1021        492     183  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11664         1002        280      36  Techtel LMDS Comunicaciones Interactiva
 17072          940        118     405  TOTAL PLAY TELECOMUNICACIONES SA DE CV,

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         1267        399      42  LINKdotNET-AS, EG
 36903          716        360     125  MT-MPLS, MA
 37611          702         67       6  Afrihost, ZA
 36992          624       1375      26  ETISALAT-MISR, EG
 24835          497        722      14  RAYA-AS, EG
  8452          423       1730      17  TE-AS TE-AS, EG
 29571          367         36      10  CITelecom-AS, CI
 15399          341         35       7  WANANCHI-, KE
 37492          337        307      80  ORANGE-, TN
  2018          287        327      74  TENET-1, ZA

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         5565       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3737        391     263  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3693       2969     153  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3544        546     144  Telmex Colombia S.A., CO
  6327         3386       1333      83  SHAW - Shaw Communications Inc., CA
 39891         3334        171      18  ALJAWWALSTC-AS, SA
  8551         3237        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         3014       1087    2135  AKAMAI-ASN1, US
 17974         2993        903      72  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2802      11150     755  KIXS-AS-KR Korea Telecom, KR

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

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

  ASN   No of nets  Net Savings  Description
 22773       3693         3540   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3737         3474   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3544         3400   Telmex Colombia S.A., CO
 39891       3334         3316   ALJAWWALSTC-AS, SA
  6327       3386         3303   SHAW - Shaw Communications Inc., CA
  8551       3237         3196   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 17974       2993         2921   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9121       2699         2682   TTNET, TR
  9829       2732         2192   BSNL-NIB National Internet Backbone, IN
  9808       2198         2165   CMNET-GD Guangdong Mobile Communication Co.Ltd.

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

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

Bad AS    Designation  Network              Transit AS  Description
  65001   PRIVATE      5.143.176.0/20       15468       KLGELECS-AS 38, Teatralnaya st
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  65001   PRIVATE      17.20.16.0/21         8034       WORLDNET5-10 - AT&T WorldNet, 
  65001   PRIVATE      31.172.192.0/20      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.192.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.200.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.208.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.216.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65000   PRIVATE      31.219.177.0/25       8966       ETISALAT-AS P.O. Box 1150, Dub
  65000   PRIVATE      31.219.177.128/25     8966       ETISALAT-AS P.O. Box 1150, Dub

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

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

Network            Origin AS  Description
5.172.176.0/21       51269    HEXATOM, FR
23.161.128.0/17     393899    -Reserved AS-, ZZ
27.100.7.0/24        56096    UNKNOWN
41.76.232.0/21      203496    AB-TELECOM, RU
41.77.248.0/21      203496    AB-TELECOM, RU
41.78.12.0/23       203496    AB-TELECOM, RU
41.78.180.0/23       37265    -Reserved AS-, ZZ
41.242.132.0/23     203496    AB-TELECOM, RU
43.224.140.0/24      38197    SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited - 
43.224.141.0/24      38197    SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited - 

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      /11:103     /12:281     
/13:544     /14:1047    /15:1836    /16:13428   /17:7574    /18:13395   
/19:24681   /20:38368   /21:41318   /22:76060   /23:63224   /24:360268  
/25:559     /26:410     /27:323     /28:41      /29:24      /30:25      
/31:1       /32:27      

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

   ASN   No of nets  Total ann.  Description
  6327     3177          3386    SHAW - Shaw Communications Inc., CA
 39891     2896          3334    ALJAWWALSTC-AS, SA
 22773     2858          3693    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2698          3237    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2078          2185    MEGAPATH5-US - MegaPath Corporation, US
  9121     1916          2699    TTNET, TR
 30036     1540          1735    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1462          3544    Telmex Colombia S.A., CO
  6389     1375          2068    BELLSOUTH-NET-BLK - BellSouth.net Inc., US
 13188     1362          1631    TRIOLAN, UA

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

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

   1:1601      2:822       4:26        5:2420      6:34        8:1068   
  12:1831     13:106      14:1795     15:20       16:2        17:116    
  18:154      19:1        20:56       23:2214     24:1872     25:2      
  27:2384     31:1893     32:89       33:5        35:20       36:389    
  37:2540     38:1345     39:45       40:98       41:2911     42:465    
  43:1913     44:68       45:2539     46:2759     47:117      49:1176   
  50:974      51:18       52:807      54:360      55:6        56:4      
  57:41       58:1655     59:1025     60:385      61:1947     62:1532   
  63:1917     64:4577     65:2208     66:4541     67:2274     68:1196   
  69:3331     70:1304     71:568      72:2154     74:2643     75:404    
  76:429      77:1493     78:1681     79:2062     80:1370     81:1409   
  82:972      83:735      84:876      85:1799     86:484      87:1152   
  88:805      89:2056     90:168      91:6132     92:1026     93:2391   
  94:2322     95:2847     96:595      97:359      98:951      99:89     
 100:156     101:1258    103:14323   104:2815    105:164     106:498    
 107:1578    108:809     109:3407    110:1334    111:1733    112:1168   
 113:1293    114:1029    115:1811    116:1776    117:1692    118:2131   
 119:1585    120:987     121:1097    122:2214    123:1811    124:1536   
 125:1855    128:747     129:501     130:449     131:1405    132:519    
 133:190     134:619     135:218     136:518     137:431     138:1894   
 139:445     140:380     141:538     142:739     143:933     144:770    
 145:170     146:1032    147:662     148:1372    149:561     150:717    
 151:949     152:756     153:301     154:799     155:735     156:567    
 157:612     158:445     159:1447    160:568     161:749     162:2478   
 163:524     164:787     165:1174    166:394     167:1230    168:2619   
 169:773     170:3105    171:293     172:999     173:1838    174:813    
 175:733     176:1829    177:4049    178:2480    179:1113    180:2190   
 181:1845    182:2300    183:982     184:862     185:9339    186:3222   
 187:2201    188:2598    189:1794    190:8140    191:1289    192:9384   
 193:5801    194:4647    195:3843    196:2027    197:1251    198:5562   
 199:5880    200:7374    201:4099    202:10293   203:9803    204:4481   
 205:2761    206:3004    207:3125    208:4018    209:3957    210:3975   
 211:2105    212:2829    213:2489    214:870     215:66      216:5862   
 217:2075    218:828     219:603     220:1659    221:905     222:763    
 223:1168   

End of report


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