Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jul 14 18:02:38 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 15 Jul, 2017

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

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

BGP routing table entries examined:                              654847
    Prefixes after maximum aggregation (per Origin AS):          254687
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      315827
Total ASes present in the Internet Routing Table:                 57784
    Prefixes per ASN:                                             11.33
Origin-only ASes present in the Internet Routing Table:           49994
Origin ASes announcing only one prefix:                           22094
Transit ASes present in the Internet Routing Table:                7790
Transit-only ASes present in the Internet Routing Table:            227
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      41
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:               103
    Numnber of instances of unregistered ASNs:                      107
Number of 32-bit ASNs allocated by the RIRs:                      19455
Number of 32-bit ASNs visible in the Routing Table:               15125
Prefixes from 32-bit ASNs in the Routing Table:                   61489
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:            449
Number of addresses announced to Internet:                   2848853092
    Equivalent to 169 /8s, 206 /16s and 12 /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:      218082

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

Prefixes being announced by APNIC Region ASes:                   179419
    Total APNIC prefixes after maximum aggregation:               51490
    APNIC Deaggregation factor:                                    3.48
Prefixes being announced from the APNIC address blocks:          178463
    Unique aggregates announced from the APNIC address blocks:    73928
APNIC Region origin ASes present in the Internet Routing Table:    8234
    APNIC Prefixes per ASN:                                       21.67
APNIC Region origin ASes announcing only one prefix:               2307
APNIC Region transit ASes present in the Internet Routing Table:   1169
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         41
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3079
Number of APNIC addresses announced to Internet:              763526756
    Equivalent to 45 /8s, 130 /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:                    199397
    Total ARIN prefixes after maximum aggregation:                94990
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           201288
    Unique aggregates announced from the ARIN address blocks:     92639
ARIN Region origin ASes present in the Internet Routing Table:    17926
    ARIN Prefixes per ASN:                                        11.23
ARIN Region origin ASes announcing only one prefix:                6646
ARIN Region transit ASes present in the Internet Routing Table:    1767
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:    2091
Number of ARIN addresses announced to Internet:              1108935584
    Equivalent to 66 /8s, 25 /16s and 3 /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:                    175704
    Total RIPE prefixes after maximum aggregation:                85943
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           171448
    Unique aggregates announced from the RIPE address blocks:    103121
RIPE Region origin ASes present in the Internet Routing Table:    24189
    RIPE Prefixes per ASN:                                         7.09
RIPE Region origin ASes announcing only one prefix:               11133
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:    5996
Number of RIPE addresses announced to Internet:               712565120
    Equivalent to 42 /8s, 120 /16s and 225 /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:                   83068
    Total LACNIC prefixes after maximum aggregation:              18437
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:          84305
    Unique aggregates announced from the LACNIC address blocks:   38878
LACNIC Region origin ASes present in the Internet Routing Table:   6124
    LACNIC Prefixes per ASN:                                      13.77
LACNIC Region origin ASes announcing only one prefix:              1678
LACNIC Region transit ASes present in the Internet Routing Table:  1144
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:  3637
Number of LACNIC addresses announced to Internet:             170821600
    Equivalent to 10 /8s, 46 /16s and 135 /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:                  17154
    Total AfriNIC prefixes after maximum aggregation:              3773
    AfriNIC Deaggregation factor:                                  4.55
Prefixes being announced from the AfriNIC address blocks:         18894
    Unique aggregates announced from the AfriNIC address blocks:   6930
AfriNIC Region origin ASes present in the Internet Routing Table:  1052
    AfriNIC Prefixes per ASN:                                     17.96
AfriNIC Region origin ASes announcing only one prefix:              329
AfriNIC Region transit ASes present in the Internet Routing Table:  207
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  322
Number of AfriNIC addresses announced to Internet:             92379904
    Equivalent to 5 /8s, 129 /16s and 155 /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         5549       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3985        406     384  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2972        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2795      11134     754  KIXS-AS-KR Korea Telecom, KR
  9829         2753       1499     540  BSNL-NIB National Internet Backbone, IN
  9808         2172       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2090        423     223  TATACOMM-AS TATA Communications formerl
 45899         2055       1428     111  VNPT-AS-VN VNPT Corp, VN
  7552         1641       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         3814       2953     158  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3436       1325      84  SHAW - Shaw Communications Inc., CA
 18566         2178        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2066       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         2011       2172     418  CHARTER-NET-HKY-NC - Charter Communicat
   209         1841       5067     639  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1829       3698     599  AMAZON-02 - Amazon.com, Inc., US
 30036         1803        326     292  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1694        854     231  ITCDELTA - Earthlink, Inc., US
   701         1560      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         3387        186      23  ALJAWWALSTC-AS, SA
  8551         2974        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2927        970    2113  AKAMAI-ASN1, US
 34984         2023        330     413  TELLCOM-AS, TR
  9121         1967       1691      17  TTNET, TR
 13188         1603        100      55  TRIOLAN, UA
 12479         1590       1046      54  UNI2-AS, ES
 12389         1514       1408     625  ROSTELECOM-AS, RU
  6849         1225        355      21  UKRTELNET, UA
  8402         1073        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         3538        543     194  Telmex Colombia S.A., CO
  8151         2503       3398     585  Uninet S.A. de C.V., MX
 11830         2090        369      57  Instituto Costarricense de Electricidad
  6503         1554        437      53  Axtel, S.A.B. de C.V., MX
  7303         1552       1012     243  Telecom Argentina S.A., AR
  6147         1282        377      27  Telefonica del Peru S.A.A., PE
  3816         1024        501      93  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573          966       2299     182  CLARO S.A., BR
 11172          914        126      81  Alestra, S. de R.L. de C.V., MX
 18881          894       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         1230        398      51  LINKdotNET-AS, EG
 37611          736         91       8  Afrihost, ZA
 36903          711        357     129  MT-MPLS, MA
 36992          648       1375      26  ETISALAT-MISR, EG
 24835          501        850      15  RAYA-AS, EG
 37492          405        320      75  ORANGE-, TN
 29571          401         36      10  CITelecom-AS, CI
 15399          354         35       7  WANANCHI-, KE
  8452          335       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         5549       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3985        406     384  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3814       2953     158  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3538        543     194  Telmex Colombia S.A., CO
  6327         3436       1325      84  SHAW - Shaw Communications Inc., CA
 39891         3387        186      23  ALJAWWALSTC-AS, SA
  8551         2974        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 17974         2972        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
 20940         2927        970    2113  AKAMAI-ASN1, US
  4766         2795      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       3814         3656   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3985         3601   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3387         3364   ALJAWWALSTC-AS, SA
  6327       3436         3352   SHAW - Shaw Communications Inc., CA
 10620       3538         3344   Telmex Colombia S.A., CO
  8551       2974         2934   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 17974       2972         2899   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9829       2753         2213   BSNL-NIB National Internet Backbone, IN
  9808       2172         2140   CMNET-GD Guangdong Mobile Communication Co.Ltd.
 18566       2178         2069   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
  65530   PRIVATE      45.249.40.0/24      133720       SOFTCALLCOC-AS SOFT CALL CUST-
  65010   PRIVATE      46.56.192.0/21       42772       VELCOM-AS, BY
  65010   PRIVATE      46.56.224.0/21       42772       VELCOM-AS, BY
  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
4294901876   PRIVATE      59.101.19.0/24        2764       AAPT AAPT Limited, AU
4294902000   PRIVATE      59.101.45.0/24        2764       AAPT AAPT Limited, AU

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     /12:284     
/13:552     /14:1048    /15:1847    /16:13458   /17:7643    /18:13423   
/19:24663   /20:38644   /21:41266   /22:77851   /23:64618   /24:367168  
/25:866     /26:605     /27:641     /28:34      /29:22      /30:18      
/31:2       /32:26      

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

   ASN   No of nets  Total ann.  Description
  6327     3236          3436    SHAW - Shaw Communications Inc., CA
 22773     2984          3814    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 39891     2946          3387    ALJAWWALSTC-AS, SA
  8551     2439          2974    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2071          2178    MEGAPATH5-US - MegaPath Corporation, US
 30036     1594          1803    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 11830     1480          2090    Instituto Costarricense de Electricidad y Telec
 10620     1474          3538    Telmex Colombia S.A., CO
 11492     1403          1559    CABLEONE - CABLE ONE, INC., US
  6389     1372          2066    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)
----------------------------------------------

   1:1583      2:803       4:18        5:2427      6:34        8:1052   
  12:1809     13:126      14:1736     15:28       16:2        17:159    
  18:90       20:61       23:2411     24:1889     25:2        27:2450   
  31:1933     32:84       33:15       35:21       36:384      37:2361   
  38:1332     39:67       40:98       41:3003     42:471      43:1946   
  44:74       45:2891     46:2800     47:158      49:1236     50:992    
  51:19       52:835      54:365      55:6        56:4        57:43     
  58:1559     59:1049     60:389      61:1959     62:1681     63:1903   
  64:4588     65:2222     66:4558     67:2272     68:1242     69:3357   
  70:1151     71:586      72:2226     74:2677     75:387      76:426    
  77:1545     78:1438     79:2369     80:1407     81:1389     82:1000   
  83:723      84:941      85:1793     86:460      87:1165     88:756    
  89:2116     90:172      91:6190     92:987      93:2376     94:2394   
  95:2678     96:630      97:352      98:1062     99:90      100:154    
 101:1191    103:15349   104:2995    105:180     106:508     107:1769   
 108:830     109:2878    110:1457    111:1724    112:1194    113:1259   
 114:1044    115:1724    116:1805    117:1720    118:2143    119:1607   
 120:1057    121:1109    122:2265    123:1822    124:1482    125:1906   
 128:788     129:647     130:434     131:1404    132:537     133:200    
 134:666     135:223     136:447     137:427     138:1939    139:491    
 140:399     141:610     142:774     143:914     144:804     145:179    
 146:1045    147:700     148:1464    149:583     150:717     151:977    
 152:701     153:299     154:847     155:757     156:621     157:655    
 158:461     159:1524    160:699     161:737     162:2515    163:539    
 164:877     165:1400    166:380     167:1242    168:2969    169:824    
 170:3428    171:319     172:1022    173:1958    174:805     175:745    
 176:1862    177:4041    178:2539    179:1135    180:2195    181:1894   
 182:2361    183:996     184:866     185:10099   186:3258    187:2214   
 188:2605    189:1824    190:8327    191:1352    192:9514    193:5775   
 194:4677    195:3921    196:2096    197:1375    198:5506    199:5893   
 200:7476    201:4346    202:10366   203:10014   204:4486    205:2817   
 206:3023    207:3134    208:3954    209:3959    210:3936    211:2121   
 212:2847    213:2534    214:868     215:66      216:5802    217:2111   
 218:865     219:598     220:1691    221:933     222:759     223:1189   


End of report


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