Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jul 21 18:02:41 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 22 Jul, 2017

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

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

BGP routing table entries examined:                              655763
    Prefixes after maximum aggregation (per Origin AS):          255011
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      316184
Total ASes present in the Internet Routing Table:                 57855
    Prefixes per ASN:                                             11.33
Origin-only ASes present in the Internet Routing Table:           50046
Origin ASes announcing only one prefix:                           22132
Transit ASes present in the Internet Routing Table:                7809
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:                                      33
    Max AS path prepend of ASN ( 55644)                              26
Prefixes from unregistered ASNs in the Routing Table:               104
    Numnber of instances of unregistered ASNs:                      105
Number of 32-bit ASNs allocated by the RIRs:                      19527
Number of 32-bit ASNs visible in the Routing Table:               15217
Prefixes from 32-bit ASNs in the Routing Table:                   61847
Number of bogon 32-bit ASNs visible in the Routing Table:            59
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            343
Number of addresses announced to Internet:                   2849795300
    Equivalent to 169 /8s, 220 /16s and 108 /24s
    Percentage of available address space announced:               77.0
    Percentage of allocated address space announced:               77.0
    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:      218193

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

Prefixes being announced by APNIC Region ASes:                   180011
    Total APNIC prefixes after maximum aggregation:               51471
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          178999
    Unique aggregates announced from the APNIC address blocks:    73959
APNIC Region origin ASes present in the Internet Routing Table:    8249
    APNIC Prefixes per ASN:                                       21.70
APNIC Region origin ASes announcing only one prefix:               2316
APNIC Region transit ASes present in the Internet Routing Table:   1180
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3100
Number of APNIC addresses announced to Internet:              763447780
    Equivalent to 45 /8s, 129 /16s and 73 /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:                    199647
    Total ARIN prefixes after maximum aggregation:                95101
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           201649
    Unique aggregates announced from the ARIN address blocks:     92742
ARIN Region origin ASes present in the Internet Routing Table:    17935
    ARIN Prefixes per ASN:                                        11.24
ARIN Region origin ASes announcing only one prefix:                6647
ARIN Region transit ASes present in the Internet Routing Table:    1770
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:    2104
Number of ARIN addresses announced to Internet:              1109722784
    Equivalent to 66 /8s, 37 /16s and 6 /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:                    175510
    Total RIPE prefixes after maximum aggregation:                86041
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           171309
    Unique aggregates announced from the RIPE address blocks:    103216
RIPE Region origin ASes present in the Internet Routing Table:    24194
    RIPE Prefixes per ASN:                                         7.08
RIPE Region origin ASes announcing only one prefix:               11129
RIPE Region transit ASes present in the Internet Routing Table:    3408
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:    6012
Number of RIPE addresses announced to Internet:               712705664
    Equivalent to 42 /8s, 123 /16s and 6 /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:                   83316
    Total LACNIC prefixes after maximum aggregation:              18565
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:          84534
    Unique aggregates announced from the LACNIC address blocks:   39072
LACNIC Region origin ASes present in the Internet Routing Table:   6159
    LACNIC Prefixes per ASN:                                      13.73
LACNIC Region origin ASes announcing only one prefix:              1707
LACNIC Region transit ASes present in the Internet Routing Table:  1137
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:  3671
Number of LACNIC addresses announced to Internet:             170767072
    Equivalent to 10 /8s, 45 /16s and 178 /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:                  17173
    Total AfriNIC prefixes after maximum aggregation:              3777
    AfriNIC Deaggregation factor:                                  4.55
Prefixes being announced from the AfriNIC address blocks:         18929
    Unique aggregates announced from the AfriNIC address blocks:   6883
AfriNIC Region origin ASes present in the Internet Routing Table:  1061
    AfriNIC Prefixes per ASN:                                     17.84
AfriNIC Region origin ASes announcing only one prefix:              332
AfriNIC Region transit ASes present in the Internet Routing Table:  211
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  330
Number of AfriNIC addresses announced to Internet:             92743424
    Equivalent to 5 /8s, 135 /16s and 39 /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         5471       4190      75  ERX-CERNET-BKB China Education and Rese
  7545         3981        407     386  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2967        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2803      11133     747  KIXS-AS-KR Korea Telecom, KR
  9829         2753       1498     549  BSNL-NIB National Internet Backbone, IN
  9808         2294       8699      32  CMNET-GD Guangdong Mobile Communication
 45899         2259       1433     107  VNPT-AS-VN VNPT Corp, VN
  4755         2097        423     223  TATACOMM-AS TATA Communications formerl
  7552         1651       1104      73  VIETEL-AS-AP Viettel Corporation, VN
  9498         1598        361     142  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         3818       2953     158  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3453       1341      86  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         2013       2182     424  CHARTER-NET-HKY-NC - Charter Communicat
 16509         1834       3794     602  AMAZON-02 - Amazon.com, Inc., US
   209         1825       5065     636  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1813        327     293  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1697        854     231  ITCDELTA - Earthlink, Inc., US
 11492         1563        245     504  CABLEONE - CABLE ONE, INC., US

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
 20940         2924        964    2113  AKAMAI-ASN1, US
  8551         2761        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984         2032        331     417  TELLCOM-AS, TR
  9121         1946       1691      17  TTNET, TR
 12479         1595       1046      54  UNI2-AS, ES
 13188         1593        100      55  TRIOLAN, UA
 12389         1518       1408     629  ROSTELECOM-AS, RU
  6849         1225        355      21  UKRTELNET, UA
  8402         1083        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         3533        541     232  Telmex Colombia S.A., CO
  8151         2502       3398     585  Uninet S.A. de C.V., MX
 11830         2087        369      57  Instituto Costarricense de Electricidad
  6503         1556        437      53  Axtel, S.A.B. de C.V., MX
  7303         1554       1013     244  Telecom Argentina S.A., AR
  6147         1236        377      27  Telefonica del Peru S.A.A., PE
  3816         1024        501      93  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573          957       2294     192  CLARO S.A., BR
 11172          916        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         1243        398      51  LINKdotNET-AS, EG
 37611          738         91       8  Afrihost, ZA
 36903          711        357     130  MT-MPLS, MA
 36992          649       1375      26  ETISALAT-MISR, EG
 24835          501        850      15  RAYA-AS, EG
 37492          407        320      75  ORANGE-, TN
 29571          401         36      10  CITelecom-AS, CI
 15399          355         35       7  WANANCHI-, KE
  8452          307       1730      17  TE-AS TE-AS, EG
  2018          303        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         5471       4190      75  ERX-CERNET-BKB China Education and Rese
  7545         3981        407     386  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3818       2953     158  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3533        541     232  Telmex Colombia S.A., CO
  6327         3453       1341      86  SHAW - Shaw Communications Inc., CA
 39891         3387        186      23  ALJAWWALSTC-AS, SA
 17974         2967        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
 20940         2924        964    2113  AKAMAI-ASN1, US
  4766         2803      11133     747  KIXS-AS-KR Korea Telecom, KR
  8551         2761        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne

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       3818         3660   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3981         3595   TPG-INTERNET-AP TPG Telecom Limited, AU
  6327       3453         3367   SHAW - Shaw Communications Inc., CA
 39891       3387         3364   ALJAWWALSTC-AS, SA
 10620       3533         3301   Telmex Colombia S.A., CO
 17974       2967         2894   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  8551       2761         2721   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  9808       2294         2262   CMNET-GD Guangdong Mobile Communication Co.Ltd.
  9829       2753         2204   BSNL-NIB National Internet Backbone, IN
 45899       2259         2152   VNPT-AS-VN VNPT Corp, VN

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

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

Bad AS    Designation  Network              Transit AS  Description
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  65532   PRIVATE      14.192.19.0/24      132717       NDCTPL-IN NxtGen Datacenter & 
  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

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     
/13:553     /14:1047    /15:1850    /16:13465   /17:7641    /18:13421   
/19:24655   /20:38654   /21:41261   /22:78064   /23:65004   /24:367480  
/25:868     /26:607     /27:638     /28:34      /29:23      /30:18      
/31:2       /32:26      

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

   ASN   No of nets  Total ann.  Description
  6327     3251          3453    SHAW - Shaw Communications Inc., CA
 22773     2987          3818    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 39891     2946          3387    ALJAWWALSTC-AS, SA
  8551     2226          2761    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2071          2178    MEGAPATH5-US - MegaPath Corporation, US
 30036     1601          1813    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 11830     1477          2087    Instituto Costarricense de Electricidad y Telec
 10620     1476          3533    Telmex Colombia S.A., CO
 11492     1406          1563    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)
----------------------------------------------

   1:1579      2:824       4:18        5:2418      6:34        8:1048   
  12:1838     13:130      14:1729     15:28       16:2        17:160    
  18:90       20:61       23:2420     24:1909     25:2        27:2471   
  29:1        31:1917     32:84       33:16       35:21       36:385    
  37:2341     38:1344     39:64       40:98       41:2975     42:462    
  43:1942     44:71       45:2931     46:2795     47:156      49:1214   
  50:994      51:19       52:836      54:365      55:6        56:4      
  57:43       58:1562     59:1050     60:381      61:1961     62:1695   
  63:1903     64:4618     65:2216     66:4570     67:2280     68:1244   
  69:3372     70:1151     71:585      72:2208     74:2693     75:389    
  76:427      77:1525     78:1422     79:1951     80:1412     81:1388   
  82:995      83:723      84:942      85:1790     86:456      87:1182   
  88:756      89:2119     90:170      91:6196     92:983      93:2366   
  94:2378     95:2670     96:635      97:350      98:1063     99:90     
 100:155     101:1228    103:15377   104:3007    105:190     106:512    
 107:1768    108:830     109:3079    110:1442    111:1740    112:1191   
 113:1253    114:1037    115:1721    116:1803    117:1714    118:2140   
 119:1659    120:1073    121:1110    122:2263    123:1820    124:1478   
 125:1903    128:810     129:640     130:434     131:1400    132:526    
 133:201     134:665     135:223     136:448     137:430     138:1939   
 139:494     140:389     141:609     142:774     143:915     144:803    
 145:180     146:1035    147:697     148:1465    149:585     150:706    
 151:980     152:703     153:299     154:864     155:747     156:629    
 157:659     158:469     159:1525    160:719     161:740     162:2516   
 163:536     164:896     165:1380    166:378     167:1240    168:2976   
 169:829     170:3432    171:328     172:1023    173:1963    174:806    
 175:741     176:1893    177:4094    178:2557    179:1126    180:2205   
 181:1877    182:2344    183:1001    184:873     185:10184   186:3257   
 187:2221    188:2607    189:1829    190:8315    191:1360    192:9521   
 193:5775    194:4681    195:3928    196:2067    197:1393    198:5497   
 199:5889    200:7504    201:4326    202:10368   203:10000   204:4487   
 205:2824    206:3023    207:3145    208:3936    209:3969    210:3964   
 211:2145    212:2862    213:2525    214:856     215:66      216:5876   
 217:2098    218:900     219:599     220:1696    221:932     222:744    
 223:1190   

End of report


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