Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri May 19 18:02:43 UTC 2017


This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG,
MENOG, SAFNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG.

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

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

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

Routing Table Report   04:00 +10GMT Sat 20 May, 2017

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

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

BGP routing table entries examined:                              649251
    Prefixes after maximum aggregation (per Origin AS):          252620
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      313178
Total ASes present in the Internet Routing Table:                 57256
    Prefixes per ASN:                                             11.34
Origin-only ASes present in the Internet Routing Table:           49539
Origin ASes announcing only one prefix:                           21952
Transit ASes present in the Internet Routing Table:                7717
Transit-only ASes present in the Internet Routing Table:            217
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      35
    Max AS path prepend of ASN ( 55644)                              31
Prefixes from unregistered ASNs in the Routing Table:                77
    Numnber of instances of unregistered ASNs:                       81
Number of 32-bit ASNs allocated by the RIRs:                      18671
Number of 32-bit ASNs visible in the Routing Table:               14487
Prefixes from 32-bit ASNs in the Routing Table:                   58732
Number of bogon 32-bit ASNs visible in the Routing Table:            57
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            371
Number of addresses announced to Internet:                   2846412964
    Equivalent to 169 /8s, 168 /16s and 208 /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:               98.6
Total number of prefixes smaller than registry allocations:      217271

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

Prefixes being announced by APNIC Region ASes:                   177851
    Total APNIC prefixes after maximum aggregation:               51195
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          177020
    Unique aggregates announced from the APNIC address blocks:    73447
APNIC Region origin ASes present in the Internet Routing Table:    8116
    APNIC Prefixes per ASN:                                       21.81
APNIC Region origin ASes announcing only one prefix:               2265
APNIC Region transit ASes present in the Internet Routing Table:   1146
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2935
Number of APNIC addresses announced to Internet:              763518564
    Equivalent to 45 /8s, 130 /16s and 94 /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:                    197546
    Total ARIN prefixes after maximum aggregation:                94188
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           199697
    Unique aggregates announced from the ARIN address blocks:     91577
ARIN Region origin ASes present in the Internet Routing Table:    17909
    ARIN Prefixes per ASN:                                        11.15
ARIN Region origin ASes announcing only one prefix:                6629
ARIN Region transit ASes present in the Internet Routing Table:    1783
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:    1978
Number of ARIN addresses announced to Internet:              1110224096
    Equivalent to 66 /8s, 44 /16s and 172 /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:                    175369
    Total RIPE prefixes after maximum aggregation:                85260
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           170937
    Unique aggregates announced from the RIPE address blocks:    102368
RIPE Region origin ASes present in the Internet Routing Table:    24028
    RIPE Prefixes per ASN:                                         7.11
RIPE Region origin ASes announcing only one prefix:               11095
RIPE Region transit ASes present in the Internet Routing Table:    3398
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5832
Number of RIPE addresses announced to Internet:               711689088
    Equivalent to 42 /8s, 107 /16s and 131 /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:                   81243
    Total LACNIC prefixes after maximum aggregation:              18141
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:          82478
    Unique aggregates announced from the LACNIC address blocks:   38585
LACNIC Region origin ASes present in the Internet Routing Table:   5913
    LACNIC Prefixes per ASN:                                      13.95
LACNIC Region origin ASes announcing only one prefix:              1640
LACNIC Region transit ASes present in the Internet Routing Table:  1097
Average LACNIC Region AS path length visible:                       5.4
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3427
Number of LACNIC addresses announced to Internet:             170601696
    Equivalent to 10 /8s, 43 /16s and 44 /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:                  17123
    Total AfriNIC prefixes after maximum aggregation:              3785
    AfriNIC Deaggregation factor:                                  4.52
Prefixes being announced from the AfriNIC address blocks:         18748
    Unique aggregates announced from the AfriNIC address blocks:   6877
AfriNIC Region origin ASes present in the Internet Routing Table:  1046
    AfriNIC Prefixes per ASN:                                     17.92
AfriNIC Region origin ASes announcing only one prefix:              322
AfriNIC Region transit ASes present in the Internet Routing Table:  206
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  315
Number of AfriNIC addresses announced to Internet:             89956864
    Equivalent to 5 /8s, 92 /16s and 162 /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         5570       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3896        400     342  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2987        903      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2770      11150     760  KIXS-AS-KR Korea Telecom, KR
  9829         2693       1492     541  BSNL-NIB National Internet Backbone, IN
  9808         2212       8698      33  CMNET-GD Guangdong Mobile Communication
  4755         2084        422     222  TATACOMM-AS TATA Communications formerl
 45899         1988       1392     108  VNPT-AS-VN VNPT Corp, VN
  7552         1608       1101      62  VIETEL-AS-AP Viettel Corporation, VN
  9583         1575        121     542  SIFY-AS-IN Sify Limited, 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         4104       2970     155  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3378       1333      80  SHAW - Shaw Communications Inc., CA
 18566         2180        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2068       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         2004       2158     410  CHARTER-NET-HKY-NC - Charter Communicat
   209         1817       5068     637  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1792       3439     578  AMAZON-02 - Amazon.com, Inc., US
 30036         1763        323     326  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1692        854     230  ITCDELTA - Earthlink, Inc., US
   701         1560      10578     638  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
  8551         3613        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 39891         3338        187      22  ALJAWWALSTC-AS, SA
 20940         2898       1012    2075  AKAMAI-ASN1, US
  9121         2364       1691      17  TTNET, TR
 34984         2014        328     387  TELLCOM-AS, TR
 13188         1596         99      56  TRIOLAN, UA
 12479         1585       1044      52  UNI2-AS, ES
 12389         1491       1370     612  ROSTELECOM-AS, RU
  9198         1324        352      25  KAZTELECOM-AS, KZ
  6849         1225        355      21  UKRTELNET, UA

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

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 10620         3545        546     147  Telmex Colombia S.A., CO
  8151         2520       3400     566  Uninet S.A. de C.V., MX
 11830         2086        369      58  Instituto Costarricense de Electricidad
  7303         1570       1009     246  Telecom Argentina S.A., AR
  6503         1540        437      53  Axtel, S.A.B. de C.V., MX
  6147         1175        377      27  Telefonica del Peru S.A.A., PE
  3816         1014        496     183  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573         1013       2285     175  CLARO S.A., BR
 11172          921        126      80  Alestra, S. de R.L. de C.V., MX
 18881          892       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         1212        398      48  LINKdotNET-AS, EG
 36903          712        358     127  MT-MPLS, MA
 37611          711         67       7  Afrihost, ZA
 36992          628       1375      26  ETISALAT-MISR, EG
 24835          495        722      14  RAYA-AS, EG
 29571          419         36      10  CITelecom-AS, CI
 37492          406        319      74  ORANGE-, TN
  8452          405       1730      17  TE-AS TE-AS, EG
 15399          352         35       7  WANANCHI-, KE
  2018          292        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         5570       4190      74  ERX-CERNET-BKB China Education and Rese
 22773         4104       2970     155  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  7545         3896        400     342  TPG-INTERNET-AP TPG Telecom Limited, AU
  8551         3613        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 10620         3545        546     147  Telmex Colombia S.A., CO
  6327         3378       1333      80  SHAW - Shaw Communications Inc., CA
 39891         3338        187      22  ALJAWWALSTC-AS, SA
 17974         2987        903      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
 20940         2898       1012    2075  AKAMAI-ASN1, US
  4766         2770      11150     760  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       4104         3949   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551       3613         3573   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  7545       3896         3554   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3545         3398   Telmex Colombia S.A., CO
 39891       3338         3316   ALJAWWALSTC-AS, SA
  6327       3378         3298   SHAW - Shaw Communications Inc., CA
 17974       2987         2914   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9121       2364         2347   TTNET, TR
  9808       2212         2179   CMNET-GD Guangdong Mobile Communication Co.Ltd.
  9829       2693         2152   BSNL-NIB National Internet Backbone, IN

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

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

Bad AS    Designation  Network              Transit AS  Description
  65001   PRIVATE      5.143.176.0/20       15468       KLGELECS-AS 38, Teatralnaya st
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  65001   PRIVATE      31.172.192.0/20      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.192.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.200.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.208.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.216.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65000   PRIVATE      31.219.177.0/25       8966       ETISALAT-AS P.O. Box 1150, Dub
  65000   PRIVATE      31.219.177.128/25     8966       ETISALAT-AS P.O. Box 1150, Dub
 266562   UNALLOCATED  45.65.164.0/22       25933       Sul Americana Tecnologia e Inf

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

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

Network            Origin AS  Description
14.128.15.0/24       55427    BROADLINK-AS-AP Broadlink Nepal, NP
27.100.7.0/24        56096    UNKNOWN
36.255.248.0/24      64091    UNKNOWN
36.255.250.0/24      64091    UNKNOWN
41.76.232.0/21      203496    AB-TELECOM, RU
41.77.248.0/21      203496    AB-TELECOM, RU
41.78.12.0/23       203496    AB-TELECOM, RU
41.78.180.0/23       37265    -Reserved AS-, ZZ
41.242.132.0/23     203496    AB-TELECOM, RU
43.224.140.0/24      38197    SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited - 

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     /14:1045    /15:1849    /16:13482   /17:7619    /18:13396   
/19:24732   /20:38493   /21:41159   /22:76717   /23:63881   /24:363683  
/25:837     /26:614     /27:632     /28:41      /29:25      /30:24      
/31:1       /32:28      

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

   ASN   No of nets  Total ann.  Description
 22773     3256          4104    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  6327     3172          3378    SHAW - Shaw Communications Inc., CA
  8551     3078          3613    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 39891     2898          3338    ALJAWWALSTC-AS, SA
 18566     2073          2180    MEGAPATH5-US - MegaPath Corporation, US
  9121     1682          2364    TTNET, TR
 30036     1562          1763    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 11830     1474          2086    Instituto Costarricense de Electricidad y Telec
 10620     1467          3545    Telmex Colombia S.A., CO
  6389     1375          2068    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)
----------------------------------------------

   1:1600      2:830       4:27        5:2439      6:34        8:1089   
  12:1827     13:118      14:1784     15:26       16:2        17:121    
  18:120      20:55       23:2279     24:1843     25:2        27:2422   
  31:1913     32:83       33:7        35:20       36:403      37:2582   
  38:1341     39:42       40:97       41:3058     42:470      43:1912   
  44:73       45:2606     46:2743     47:120      49:1196     50:984    
  51:19       52:811      54:363      55:5        56:4        57:42     
  58:1584     59:1039     60:387      61:1940     62:1542     63:1919   
  64:4574     65:2203     66:4557     67:2261     68:1228     69:3378   
  70:1318     71:583      72:2224     74:2672     75:383      76:432    
  77:1490     78:1605     79:2441     80:1387     81:1415     82:987    
  83:721      84:869      85:1779     86:481      87:1157     88:792    
  89:2069     90:169      91:6167     92:1012     93:2388     94:2319   
  95:2809     96:606      97:359      98:1032     99:90      100:158    
 101:1255    103:14778   104:2893    105:182     106:499     107:1640   
 108:819     109:3448    110:1322    111:1745    112:1176    113:1228   
 114:1033    115:1795    116:1781    117:1730    118:2160    119:1589   
 120:1018    121:1107    122:2286    123:1799    124:1535    125:1906   
 128:771     129:638     130:439     131:1379    132:525     133:191    
 134:636     135:222     136:455     137:437     138:1939    139:478    
 140:376     141:566     142:748     143:924     144:784     145:181    
 146:985     147:666     148:1429    149:573     150:714     151:968    
 152:796     153:298     154:818     155:737     156:588     157:631    
 158:449     159:1455    160:630     161:753     162:2505    163:529    
 164:784     165:1202    166:380     167:1257    168:2646    169:786    
 170:3253    171:326     172:1022    173:1858    174:841     175:747    
 176:1841    177:4077    178:2483    179:1179    180:2201    181:1862   
 182:2317    183:990     184:869     185:9638    186:3125    187:2191   
 188:2670    189:1810    190:8086    191:1330    192:9382    193:5787   
 194:4649    195:3866    196:2123    197:1239    198:5506    199:5884   
 200:7379    201:4304    202:10378   203:9938    204:4463    205:2796   
 206:3010    207:3137    208:4013    209:3976    210:3957    211:2138   
 212:2815    213:2511    214:888     215:66      216:5716    217:2078   
 218:839     219:604     220:1649    221:910     222:757     223:1179   


End of report


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