Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri May 12 18:02:45 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 13 May, 2017

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

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

BGP routing table entries examined:                              647949
    Prefixes after maximum aggregation (per Origin AS):          252345
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      312474
Total ASes present in the Internet Routing Table:                 57146
    Prefixes per ASN:                                             11.34
Origin-only ASes present in the Internet Routing Table:           49440
Origin ASes announcing only one prefix:                           21895
Transit ASes present in the Internet Routing Table:                7706
Transit-only ASes present in the Internet Routing Table:            225
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      40
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:                70
    Numnber of instances of unregistered ASNs:                       74
Number of 32-bit ASNs allocated by the RIRs:                      18557
Number of 32-bit ASNs visible in the Routing Table:               14400
Prefixes from 32-bit ASNs in the Routing Table:                   58461
Number of bogon 32-bit ASNs visible in the Routing Table:            44
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            410
Number of addresses announced to Internet:                   2844831332
    Equivalent to 169 /8s, 144 /16s and 174 /24s
    Percentage of available address space announced:               76.8
    Percentage of allocated address space announced:               76.8
    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:      216616

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

Prefixes being announced by APNIC Region ASes:                   177386
    Total APNIC prefixes after maximum aggregation:               51032
    APNIC Deaggregation factor:                                    3.48
Prefixes being announced from the APNIC address blocks:          176560
    Unique aggregates announced from the APNIC address blocks:    73228
APNIC Region origin ASes present in the Internet Routing Table:    8091
    APNIC Prefixes per ASN:                                       21.82
APNIC Region origin ASes announcing only one prefix:               2256
APNIC Region transit ASes present in the Internet Routing Table:   1144
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         40
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2917
Number of APNIC addresses announced to Internet:              763012964
    Equivalent to 45 /8s, 122 /16s and 167 /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:                    197389
    Total ARIN prefixes after maximum aggregation:                94167
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           199487
    Unique aggregates announced from the ARIN address blocks:     91432
ARIN Region origin ASes present in the Internet Routing Table:    17904
    ARIN Prefixes per ASN:                                        11.14
ARIN Region origin ASes announcing only one prefix:                6633
ARIN Region transit ASes present in the Internet Routing Table:    1784
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:    1968
Number of ARIN addresses announced to Internet:              1110060704
    Equivalent to 66 /8s, 42 /16s and 46 /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:                    174683
    Total RIPE prefixes after maximum aggregation:                85117
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           170259
    Unique aggregates announced from the RIPE address blocks:    102159
RIPE Region origin ASes present in the Internet Routing Table:    23987
    RIPE Prefixes per ASN:                                         7.10
RIPE Region origin ASes announcing only one prefix:               11067
RIPE Region transit ASes present in the Internet Routing Table:    3393
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:    5809
Number of RIPE addresses announced to Internet:               711743872
    Equivalent to 42 /8s, 108 /16s and 89 /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:                   81196
    Total LACNIC prefixes after maximum aggregation:              18175
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:          82436
    Unique aggregates announced from the LACNIC address blocks:   38444
LACNIC Region origin ASes present in the Internet Routing Table:   5878
    LACNIC Prefixes per ASN:                                      14.02
LACNIC Region origin ASes announcing only one prefix:              1621
LACNIC Region transit ASes present in the Internet Routing Table:  1090
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        36
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3396
Number of LACNIC addresses announced to Internet:             169891552
    Equivalent to 10 /8s, 32 /16s and 86 /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:                  17191
    Total AfriNIC prefixes after maximum aggregation:              3796
    AfriNIC Deaggregation factor:                                  4.53
Prefixes being announced from the AfriNIC address blocks:         18797
    Unique aggregates announced from the AfriNIC address blocks:   6848
AfriNIC Region origin ASes present in the Internet Routing Table:  1036
    AfriNIC Prefixes per ASN:                                     18.14
AfriNIC Region origin ASes announcing only one prefix:              318
AfriNIC Region transit ASes present in the Internet Routing Table:  205
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:  310
Number of AfriNIC addresses announced to Internet:             89683456
    Equivalent to 5 /8s, 88 /16s and 118 /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         3829        394     282  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2986        903      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2766      11150     758  KIXS-AS-KR Korea Telecom, KR
  9829         2731       1499     539  BSNL-NIB National Internet Backbone, IN
  9808         2212       8698      33  CMNET-GD Guangdong Mobile Communication
  4755         2078        421     222  TATACOMM-AS TATA Communications formerl
 45899         1985       1392     108  VNPT-AS-VN VNPT Corp, VN
  7552         1604       1101      55  VIETEL-AS-AP Viettel Corporation, VN
  9583         1576        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         4015       2969     154  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3337       1333      80  SHAW - Shaw Communications Inc., CA
 18566         2181        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2069       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         2007       2159     405  CHARTER-NET-HKY-NC - Charter Communicat
   209         1820       5067     632  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1790       3439     574  AMAZON-02 - Amazon.com, Inc., US
 30036         1759        323     327  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1692        854     230  ITCDELTA - Earthlink, Inc., US
   701         1560      10578     639  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         3220        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2892       1013    2070  AKAMAI-ASN1, US
  9121         2360       1691      17  TTNET, TR
 34984         2011        328     385  TELLCOM-AS, TR
 13188         1596         99      56  TRIOLAN, UA
 12479         1593       1044      52  UNI2-AS, ES
 12389         1487       1362     612  ROSTELECOM-AS, RU
  9198         1325        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         3542        546     145  Telmex Colombia S.A., CO
  8151         2515       3396     562  Uninet S.A. de C.V., MX
 11830         2085        369      58  Instituto Costarricense de Electricidad
  7303         1564       1008     251  Telecom Argentina S.A., AR
  6503         1539        437      53  Axtel, S.A.B. de C.V., MX
  6147         1166        377      27  Telefonica del Peru S.A.A., PE
  3816         1018        496     183  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573         1011       2286     170  CLARO S.A., BR
 11172          920        126      80  Alestra, S. de R.L. de C.V., MX
 18881          893       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         1214        398      48  LINKdotNET-AS, EG
 36903          713        358     123  MT-MPLS, MA
 37611          705         67       7  Afrihost, ZA
 36992          626       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          399       1730      17  TE-AS TE-AS, EG
 15399          352         35       7  WANANCHI-, KE
  2018          290        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         4015       2969     154  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  7545         3829        394     282  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3542        546     145  Telmex Colombia S.A., CO
 39891         3338        187      22  ALJAWWALSTC-AS, SA
  6327         3337       1333      80  SHAW - Shaw Communications Inc., CA
  8551         3220        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 17974         2986        903      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
 20940         2892       1013    2070  AKAMAI-ASN1, US
  4766         2766      11150     758  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       4015         3861   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3829         3547   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3542         3397   Telmex Colombia S.A., CO
 39891       3338         3316   ALJAWWALSTC-AS, SA
  6327       3337         3257   SHAW - Shaw Communications Inc., CA
  8551       3220         3179   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 17974       2986         2913   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9121       2360         2343   TTNET, TR
  9829       2731         2192   BSNL-NIB National Internet Backbone, IN
  9808       2212         2179   CMNET-GD Guangdong Mobile Communication Co.Ltd.

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
  65001   PRIVATE      46.237.32.0/20       13118       ASN-YARTELECOM PJSC Rostelecom

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

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

Network            Origin AS  Description
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 - 
43.224.141.0/24      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     /14:1043    /15:1843    /16:13478   /17:7580    /18:13427   
/19:24714   /20:38517   /21:41212   /22:76559   /23:63714   /24:362669  
/25:840     /26:615     /27:625     /28:41      /29:25      /30:24      
/31:1       /32:29      

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

   ASN   No of nets  Total ann.  Description
 22773     3168          4015    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  6327     3131          3337    SHAW - Shaw Communications Inc., CA
 39891     2898          3338    ALJAWWALSTC-AS, SA
  8551     2682          3220    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2074          2181    MEGAPATH5-US - MegaPath Corporation, US
  9121     1678          2360    TTNET, TR
 30036     1560          1759    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 11830     1474          2085    Instituto Costarricense de Electricidad y Telec
 10620     1464          3542    Telmex Colombia S.A., CO
  6389     1375          2069    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)
----------------------------------------------

   1:1606      2:827       4:27        5:2419      6:34        8:1089   
  12:1832     13:117      14:1789     15:26       16:2        17:121    
  18:120      20:54       23:2265     24:1853     25:2        27:2412   
  31:1923     32:89       33:8        35:20       36:398      37:2580   
  38:1343     39:44       40:97       41:3069     42:469      43:1924   
  44:71       45:2599     46:2735     47:117      49:1195     50:983    
  51:18       52:809      54:361      55:6        56:4        57:41     
  58:1574     59:1041     60:387      61:1935     62:1532     63:1921   
  64:4579     65:2199     66:4540     67:2257     68:1227     69:3361   
  70:1316     71:583      72:2189     74:2671     75:384      76:430    
  77:1491     78:1605     79:2045     80:1389     81:1411     82:986    
  83:721      84:864      85:1781     86:481      87:1161     88:791    
  89:2082     90:169      91:6156     92:1010     93:2382     94:2342   
  95:2806     96:608      97:360      98:997      99:90      100:157    
 101:1258    103:14651   104:2863    105:182     106:499     107:1634   
 108:814     109:3432    110:1339    111:1742    112:1174    113:1229   
 114:1041    115:1787    116:1782    117:1731    118:2159    119:1584   
 120:1007    121:1100    122:2261    123:1789    124:1531    125:1901   
 128:752     129:633     130:441     131:1384    132:524     133:190    
 134:622     135:223     136:455     137:442     138:1928    139:477    
 140:375     141:567     142:743     143:941     144:776     145:177    
 146:1043    147:664     148:1427    149:568     150:713     151:960    
 152:794     153:296     154:812     155:743     156:582     157:610    
 158:448     159:1449    160:647     161:752     162:2490    163:526    
 164:787     165:1200    166:377     167:1254    168:2641    169:781    
 170:3234    171:325     172:980     173:1866    174:830     175:736    
 176:1836    177:4080    178:2492    179:1159    180:2205    181:1856   
 182:2337    183:987     184:865     185:9595    186:3174    187:2220   
 188:2628    189:1790    190:8097    191:1308    192:9376    193:5794   
 194:4652    195:3848    196:2112    197:1280    198:5515    199:5885   
 200:7362    201:4310    202:10371   203:9878    204:4480    205:2788   
 206:3010    207:3146    208:4019    209:3968    210:3951    211:2133   
 212:2820    213:2506    214:878     215:65      216:5715    217:2080   
 218:835     219:607     220:1655    221:910     222:759     223:1148   


End of report


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