Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jul 7 18:02:44 CST 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 08 Jul, 2017

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

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

BGP routing table entries examined:                              653872
    Prefixes after maximum aggregation (per Origin AS):          254333
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      315298
Total ASes present in the Internet Routing Table:                 57740
    Prefixes per ASN:                                             11.32
Origin-only ASes present in the Internet Routing Table:           49962
Origin ASes announcing only one prefix:                           22072
Transit ASes present in the Internet Routing Table:                7778
Transit-only ASes present in the Internet Routing Table:            223
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      54
    Max AS path prepend of ASN ( 55644)                              51
Prefixes from unregistered ASNs in the Routing Table:                60
    Numnber of instances of unregistered ASNs:                       64
Number of 32-bit ASNs allocated by the RIRs:                      19359
Number of 32-bit ASNs visible in the Routing Table:               15061
Prefixes from 32-bit ASNs in the Routing Table:                   61319
Number of bogon 32-bit ASNs visible in the Routing Table:            64
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            349
Number of addresses announced to Internet:                   2848140388
    Equivalent to 169 /8s, 195 /16s and 44 /24s
    Percentage of available address space announced:               76.9
    Percentage of allocated address space announced:               76.9
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.7
Total number of prefixes smaller than registry allocations:      217691

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

Prefixes being announced by APNIC Region ASes:                   179377
    Total APNIC prefixes after maximum aggregation:               51366
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          178434
    Unique aggregates announced from the APNIC address blocks:    73877
APNIC Region origin ASes present in the Internet Routing Table:    8227
    APNIC Prefixes per ASN:                                       21.69
APNIC Region origin ASes announcing only one prefix:               2309
APNIC Region transit ASes present in the Internet Routing Table:   1163
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         54
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3071
Number of APNIC addresses announced to Internet:              763514212
    Equivalent to 45 /8s, 130 /16s and 77 /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:                    199057
    Total ARIN prefixes after maximum aggregation:                94804
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           201014
    Unique aggregates announced from the ARIN address blocks:     92372
ARIN Region origin ASes present in the Internet Routing Table:    17915
    ARIN Prefixes per ASN:                                        11.22
ARIN Region origin ASes announcing only one prefix:                6631
ARIN Region transit ASes present in the Internet Routing Table:    1765
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:    2073
Number of ARIN addresses announced to Internet:              1108484768
    Equivalent to 66 /8s, 18 /16s and 34 /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:                    175353
    Total RIPE prefixes after maximum aggregation:                85837
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           171163
    Unique aggregates announced from the RIPE address blocks:    102995
RIPE Region origin ASes present in the Internet Routing Table:    24179
    RIPE Prefixes per ASN:                                         7.08
RIPE Region origin ASes announcing only one prefix:               11138
RIPE Region transit ASes present in the Internet Routing Table:    3406
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5978
Number of RIPE addresses announced to Internet:               712318592
    Equivalent to 42 /8s, 117 /16s and 30 /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:                   83011
    Total LACNIC prefixes after maximum aggregation:              18472
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:          84275
    Unique aggregates announced from the LACNIC address blocks:   38801
LACNIC Region origin ASes present in the Internet Routing Table:   6112
    LACNIC Prefixes per ASN:                                      13.79
LACNIC Region origin ASes announcing only one prefix:              1664
LACNIC Region transit ASes present in the Internet Routing Table:  1140
Average LACNIC Region AS path length visible:                       5.4
    Max LACNIC Region AS path length visible:                        27
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3620
Number of LACNIC addresses announced to Internet:             170696160
    Equivalent to 10 /8s, 44 /16s and 157 /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:                  16966
    Total AfriNIC prefixes after maximum aggregation:              3800
    AfriNIC Deaggregation factor:                                  4.46
Prefixes being announced from the AfriNIC address blocks:         18637
    Unique aggregates announced from the AfriNIC address blocks:   6939
AfriNIC Region origin ASes present in the Internet Routing Table:  1052
    AfriNIC Prefixes per ASN:                                     17.72
AfriNIC Region origin ASes announcing only one prefix:              329
AfriNIC Region transit ASes present in the Internet Routing Table:  208
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  319
Number of AfriNIC addresses announced to Internet:             92717568
    Equivalent to 5 /8s, 134 /16s and 194 /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         5550       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3982        406     383  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2976        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2809      11134     754  KIXS-AS-KR Korea Telecom, KR
  9829         2744       1499     540  BSNL-NIB National Internet Backbone, IN
  9808         2167       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2089        422     222  TATACOMM-AS TATA Communications formerl
 45899         2053       1424     111  VNPT-AS-VN VNPT Corp, VN
  7552         1639       1104      73  VIETEL-AS-AP Viettel Corporation, VN
  9498         1598        361     141  BBIL-AP BHARTI Airtel Ltd., IN

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         3817       2953     160  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3423       1333      83  SHAW - Shaw Communications Inc., CA
 18566         2179        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2064       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         2011       2172     418  CHARTER-NET-HKY-NC - Charter Communicat
   209         1825       5067     640  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1823       3697     591  AMAZON-02 - Amazon.com, Inc., US
 30036         1805        326     297  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1695        854     231  ITCDELTA - Earthlink, Inc., US
   701         1561      10559     630  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         3388        190      24  ALJAWWALSTC-AS, SA
  8551         2974        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2908        962    2093  AKAMAI-ASN1, US
 34984         2015        329     410  TELLCOM-AS, TR
  9121         1930       1691      17  TTNET, TR
 12479         1605       1044      53  UNI2-AS, ES
 13188         1603        100      55  TRIOLAN, UA
 12389         1521       1408     626  ROSTELECOM-AS, RU
  6849         1225        355      21  UKRTELNET, UA
  8402         1093        544      15  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
 10620         3532        543     205  Telmex Colombia S.A., CO
  8151         2472       3404     572  Uninet S.A. de C.V., MX
 11830         2090        369      57  Instituto Costarricense de Electricidad
  7303         1552       1012     243  Telecom Argentina S.A., AR
  6503         1538        437      53  Axtel, S.A.B. de C.V., MX
  6147         1296        377      27  Telefonica del Peru S.A.A., PE
  3816         1026        501      94  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573          968       2301     177  CLARO S.A., BR
 11172          915        126      82  Alestra, S. de R.L. de C.V., MX
 18881          896       1052      23  TELEFÔNICA 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         1237        398      51  LINKdotNET-AS, EG
 37611          724         91       8  Afrihost, ZA
 36903          711        357     129  MT-MPLS, MA
 36992          644       1375      26  ETISALAT-MISR, EG
 24835          478        786      17  RAYA-AS, EG
 37492          407        320      75  ORANGE-, TN
 29571          401         36      10  CITelecom-AS, CI
 15399          348         35       7  WANANCHI-, KE
  8452          327       1730      17  TE-AS TE-AS, EG
  2018          304        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         5550       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3982        406     383  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3817       2953     160  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3532        543     205  Telmex Colombia S.A., CO
  6327         3423       1333      83  SHAW - Shaw Communications Inc., CA
 39891         3388        190      24  ALJAWWALSTC-AS, SA
 17974         2976        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  8551         2974        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2908        962    2093  AKAMAI-ASN1, US
  4766         2809      11134     754  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       3817         3657   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3982         3599   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3388         3364   ALJAWWALSTC-AS, SA
  6327       3423         3340   SHAW - Shaw Communications Inc., CA
 10620       3532         3327   Telmex Colombia S.A., CO
  8551       2974         2934   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 17974       2976         2903   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9829       2744         2204   BSNL-NIB National Internet Backbone, IN
  9808       2167         2135   CMNET-GD Guangdong Mobile Communication Co.Ltd.
 18566       2179         2070   MEGAPATH5-US - MegaPath Corporation, US

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
  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
  65538   DOCUMENT     64.27.253.0/24        1273       CW Vodafone Group PLC, GB
  65346   PRIVATE      94.50.36.0/22        31094       TTKNET Tyumen, Russia, RU
  64111   UNALLOCATED  98.159.5.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64111   UNALLOCATED  98.159.7.0/24        19555       KMI-NETWORK - Kinder Morgan, I

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

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

Network            Origin AS  Description
14.192.48.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.49.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.50.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.51.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
27.100.7.0/24        56096    UNKNOWN
36.255.250.0/24      64091    UNKNOWN
41.76.232.0/21       62878    XLITT - Xlitt, US
41.77.248.0/21       62878    XLITT - Xlitt, US
41.78.12.0/23        62878    XLITT - Xlitt, US
41.78.180.0/23       37265    -Reserved AS-, ZZ

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      /11:104     /12:280     
/13:545     /14:1047    /15:1847    /16:13467   /17:7640    /18:13422   
/19:24664   /20:38616   /21:41255   /22:77663   /23:64411   /24:366633  
/25:864     /26:607     /27:642     /28:34      /29:22      /30:17      
/31:2       /32:26      

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

   ASN   No of nets  Total ann.  Description
  6327     3224          3423    SHAW - Shaw Communications Inc., CA
 22773     2979          3817    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 39891     2946          3388    ALJAWWALSTC-AS, SA
  8551     2439          2974    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2072          2179    MEGAPATH5-US - MegaPath Corporation, US
 30036     1595          1805    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 11830     1480          2090    Instituto Costarricense de Electricidad y Telec
 10620     1469          3532    Telmex Colombia S.A., CO
 11492     1390          1541    CABLEONE - CABLE ONE, INC., US
  6389     1371          2064    BELLSOUTH-NET-BLK - BellSouth.net Inc., US

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

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

   1:1603      2:803       4:18        5:2435      6:34        8:1045   
  12:1833     13:123      14:1737     15:28       16:2        17:159    
  18:90       20:61       23:2395     24:1881     25:2        27:2459   
  31:1928     32:84       33:13       35:21       36:386      37:2349   
  38:1313     39:64       40:98       41:2947     42:472      43:1943   
  44:73       45:2892     46:2802     47:157      49:1239     50:987    
  51:19       52:833      54:364      55:6        56:4        57:42     
  58:1573     59:1053     60:388      61:1959     62:1601     63:1914   
  64:4602     65:2223     66:4547     67:2262     68:1238     69:3373   
  70:1150     71:586      72:2224     74:2684     75:388      76:426    
  77:1536     78:1436     79:2387     80:1401     81:1385     82:1002   
  83:723      84:932      85:1745     86:482      87:1165     88:754    
  89:2114     90:175      91:6199     92:977      93:2368     94:2383   
  95:2699     96:625      97:353      98:1062     99:86      100:154    
 101:1193    103:15324   104:2983    105:178     106:510     107:1719   
 108:823     109:2874    110:1453    111:1730    112:1198    113:1254   
 114:1036    115:1723    116:1792    117:1710    118:2198    119:1611   
 120:1055    121:1113    122:2259    123:1815    124:1482    125:1902   
 128:782     129:662     130:434     131:1428    132:526     133:199    
 134:659     135:223     136:448     137:435     138:1953    139:490    
 140:398     141:606     142:767     143:900     144:792     145:179    
 146:1046    147:694     148:1459    149:583     150:711     151:973    
 152:695     153:304     154:767     155:759     156:613     157:655    
 158:462     159:1522    160:694     161:740     162:2520    163:530    
 164:806     165:1396    166:380     167:1253    168:2988    169:821    
 170:3419    171:319     172:1022    173:1951    174:811     175:748    
 176:1870    177:4135    178:2529    179:1162    180:2203    181:1903   
 182:2361    183:996     184:862     185:10052   186:3254    187:2195   
 188:2602    189:1794    190:8296    191:1365    192:9506    193:5772   
 194:4684    195:3923    196:2081    197:1267    198:5503    199:5897   
 200:7430    201:4335    202:10333   203:9996    204:4479    205:2807   
 206:3014    207:3136    208:3972    209:3989    210:4015    211:2145   
 212:2844    213:2512    214:869     215:66      216:5800    217:2113   
 218:864     219:599     220:1694    221:932     222:762     223:1180   


End of report


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