Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jun 30 18:02:32 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 01 Jul, 2017

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

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

BGP routing table entries examined:                              653102
    Prefixes after maximum aggregation (per Origin AS):          254091
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      314847
Total ASes present in the Internet Routing Table:                 57642
    Prefixes per ASN:                                             11.33
Origin-only ASes present in the Internet Routing Table:           49881
Origin ASes announcing only one prefix:                           21993
Transit ASes present in the Internet Routing Table:                7761
Transit-only ASes present in the Internet Routing Table:            230
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      41
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:                63
    Numnber of instances of unregistered ASNs:                       67
Number of 32-bit ASNs allocated by the RIRs:                      19273
Number of 32-bit ASNs visible in the Routing Table:               14977
Prefixes from 32-bit ASNs in the Routing Table:                   61008
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:            360
Number of addresses announced to Internet:                   2848137828
    Equivalent to 169 /8s, 195 /16s and 34 /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:      217503

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

Prefixes being announced by APNIC Region ASes:                   179085
    Total APNIC prefixes after maximum aggregation:               51339
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          178234
    Unique aggregates announced from the APNIC address blocks:    73760
APNIC Region origin ASes present in the Internet Routing Table:    8213
    APNIC Prefixes per ASN:                                       21.70
APNIC Region origin ASes announcing only one prefix:               2298
APNIC Region transit ASes present in the Internet Routing Table:   1158
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:   3052
Number of APNIC addresses announced to Internet:              763598436
    Equivalent to 45 /8s, 131 /16s and 150 /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:                    198988
    Total ARIN prefixes after maximum aggregation:                94731
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           200843
    Unique aggregates announced from the ARIN address blocks:     92112
ARIN Region origin ASes present in the Internet Routing Table:    17906
    ARIN Prefixes per ASN:                                        11.22
ARIN Region origin ASes announcing only one prefix:                6620
ARIN Region transit ASes present in the Internet Routing Table:    1777
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:    2060
Number of ARIN addresses announced to Internet:              1108512928
    Equivalent to 66 /8s, 18 /16s and 144 /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:                    175225
    Total RIPE prefixes after maximum aggregation:                85781
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           171043
    Unique aggregates announced from the RIPE address blocks:    102902
RIPE Region origin ASes present in the Internet Routing Table:    24139
    RIPE Prefixes per ASN:                                         7.09
RIPE Region origin ASes announcing only one prefix:               11100
RIPE Region transit ASes present in the Internet Routing Table:    3405
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:    5956
Number of RIPE addresses announced to Internet:               712116864
    Equivalent to 42 /8s, 114 /16s and 10 /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:                   82725
    Total LACNIC prefixes after maximum aggregation:              18405
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:          84002
    Unique aggregates announced from the LACNIC address blocks:   38760
LACNIC Region origin ASes present in the Internet Routing Table:   6079
    LACNIC Prefixes per ASN:                                      13.82
LACNIC Region origin ASes announcing only one prefix:              1648
LACNIC Region transit ASes present in the Internet Routing Table:  1119
Average LACNIC Region AS path length visible:                       5.4
    Max LACNIC Region AS path length visible:                        36
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3592
Number of LACNIC addresses announced to Internet:             170756320
    Equivalent to 10 /8s, 45 /16s and 136 /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:                  16968
    Total AfriNIC prefixes after maximum aggregation:              3779
    AfriNIC Deaggregation factor:                                  4.49
Prefixes being announced from the AfriNIC address blocks:         18620
    Unique aggregates announced from the AfriNIC address blocks:   6990
AfriNIC Region origin ASes present in the Internet Routing Table:  1042
    AfriNIC Prefixes per ASN:                                     17.87
AfriNIC Region origin ASes announcing only one prefix:              326
AfriNIC Region transit ASes present in the Internet Routing Table:  204
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  317
Number of AfriNIC addresses announced to Internet:             92728832
    Equivalent to 5 /8s, 134 /16s and 238 /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         5552       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3933        404     363  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2976        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2805      11134     756  KIXS-AS-KR Korea Telecom, KR
  9829         2752       1499     540  BSNL-NIB National Internet Backbone, IN
  9808         2175       8699      34  CMNET-GD Guangdong Mobile Communication
  4755         2088        422     222  TATACOMM-AS TATA Communications formerl
 45899         2019       1415     109  VNPT-AS-VN VNPT Corp, VN
  7552         1632       1104      73  VIETEL-AS-AP Viettel Corporation, VN
  9498         1594        360     139  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     161  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3411       1333      81  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         2010       2172     417  CHARTER-NET-HKY-NC - Charter Communicat
   209         1825       5068     640  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1815       3696     586  AMAZON-02 - Amazon.com, Inc., US
 30036         1795        325     309  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1695        854     231  ITCDELTA - Earthlink, Inc., US
   701         1562      10560     631  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         3338        187      22  ALJAWWALSTC-AS, SA
  8551         2971        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2904        963    2090  AKAMAI-ASN1, US
 34984         2000        328     417  TELLCOM-AS, TR
  9121         1955       1691      17  TTNET, TR
 12479         1614       1044      53  UNI2-AS, ES
 13188         1602        100      55  TRIOLAN, UA
 12389         1524       1408     626  ROSTELECOM-AS, RU
  6849         1225        355      21  UKRTELNET, UA
  8402         1123        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         3541        544     185  Telmex Colombia S.A., CO
  8151         2518       3404     576  Uninet S.A. de C.V., MX
 11830         2089        369      57  Instituto Costarricense de Electricidad
  7303         1550       1010     243  Telecom Argentina S.A., AR
  6503         1541        437      53  Axtel, S.A.B. de C.V., MX
  6147         1299        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          895       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         1254        398      48  LINKdotNET-AS, EG
 37611          724         91       8  Afrihost, ZA
 36903          711        357     129  MT-MPLS, MA
 36992          643       1375      26  ETISALAT-MISR, EG
 24835          499        850      15  RAYA-AS, EG
 37492          407        320      75  ORANGE-, TN
 29571          401         36      10  CITelecom-AS, CI
  8452          358       1730      17  TE-AS TE-AS, EG
 15399          353         35       7  WANANCHI-, KE
  2018          300        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         5552       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3933        404     363  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3814       2953     161  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3541        544     185  Telmex Colombia S.A., CO
  6327         3411       1333      81  SHAW - Shaw Communications Inc., CA
 39891         3338        187      22  ALJAWWALSTC-AS, SA
 17974         2976        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  8551         2971        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2904        963    2090  AKAMAI-ASN1, US
  4766         2805      11134     756  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         3653   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3933         3570   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3541         3356   Telmex Colombia S.A., CO
  6327       3411         3330   SHAW - Shaw Communications Inc., CA
 39891       3338         3316   ALJAWWALSTC-AS, SA
  8551       2971         2931   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 17974       2976         2903   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9829       2752         2212   BSNL-NIB National Internet Backbone, IN
  9808       2175         2141   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
  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
  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
  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
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW

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
23.226.112.0/20      62788    -Reserved AS-, ZZ
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

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     /14:1049    /15:1846    /16:13473   /17:7631    /18:13434   
/19:24639   /20:38561   /21:41217   /22:77596   /23:64333   /24:366107  
/25:871     /26:604     /27:642     /28:35      /29:23      /30:18      
/31:3       /32:27      

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

   ASN   No of nets  Total ann.  Description
  6327     3214          3411    SHAW - Shaw Communications Inc., CA
 22773     2977          3814    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 39891     2898          3338    ALJAWWALSTC-AS, SA
  8551     2436          2971    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2072          2179    MEGAPATH5-US - MegaPath Corporation, US
 30036     1587          1795    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 11830     1479          2089    Instituto Costarricense de Electricidad y Telec
 10620     1469          3541    Telmex Colombia S.A., CO
 11492     1382          1532    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)
----------------------------------------------

   1:1596      2:803       4:18        5:2432      6:34        8:1044   
  12:1833     13:123      14:1739     15:28       16:2        17:158    
  18:90       20:61       23:2384     24:1974     25:2        27:2454   
  31:1919     32:80       33:14       35:20       36:387      37:2347   
  38:1318     39:62       40:98       41:2928     42:485      43:1930   
  44:71       45:2848     46:2794     47:154      49:1236     50:985    
  51:18       52:830      54:363      55:6        56:4        57:42     
  58:1577     59:1053     60:388      61:1959     62:1604     63:1914   
  64:4587     65:2221     66:4566     67:2271     68:1244     69:3380   
  70:1149     71:586      72:2201     74:2692     75:387      76:423    
  77:1545     78:1457     79:2378     80:1404     81:1391     82:993    
  83:722      84:906      85:1748     86:481      87:1161     88:757    
  89:2102     90:175      91:6188     92:975      93:2384     94:2376   
  95:2683     96:628      97:353      98:1063     99:86      100:154    
 101:1201    103:15187   104:2961    105:182     106:508     107:1721   
 108:824     109:2863    110:1457    111:1725    112:1193    113:1251   
 114:1028    115:1721    116:1793    117:1701    118:2204    119:1608   
 120:1054    121:1111    122:2252    123:1831    124:1480    125:1888   
 128:774     129:652     130:434     131:1406    132:520     133:199    
 134:654     135:225     136:447     137:437     138:1933    139:490    
 140:394     141:600     142:766     143:893     144:796     145:182    
 146:1028    147:690     148:1446    149:579     150:705     151:973    
 152:694     153:304     154:776     155:753     156:610     157:649    
 158:450     159:1512    160:685     161:743     162:2530    163:535    
 164:804     165:1395    166:379     167:1244    168:2957    169:791    
 170:3454    171:318     172:1022    173:1947    174:811     175:750    
 176:1877    177:4080    178:2481    179:1180    180:2208    181:1881   
 182:2376    183:1000    184:866     185:10032   186:3207    187:2233   
 188:2709    189:1814    190:8252    191:1327    192:9499    193:5783   
 194:4682    195:3910    196:2080    197:1261    198:5500    199:5895   
 200:7456    201:4340    202:10368   203:10020   204:4486    205:2814   
 206:3016    207:3114    208:3985    209:3933    210:3974    211:2144   
 212:2855    213:2500    214:876     215:66      216:5771    217:2104   
 218:868     219:599     220:1692    221:931     222:781     223:1175   


End of report


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