Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Dec 8 18:02:50 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, SANOG, PacNOG, SAFNOG, CaribNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG 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 09 Dec, 2017

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

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

BGP routing table entries examined:                              674032
    Prefixes after maximum aggregation (per Origin AS):          262246
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      326110
Total ASes present in the Internet Routing Table:                 59288
    Prefixes per ASN:                                             11.37
Origin-only ASes present in the Internet Routing Table:           51190
Origin ASes announcing only one prefix:                           22549
Transit ASes present in the Internet Routing Table:                8098
Transit-only ASes present in the Internet Routing Table:            243
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      30
    Max AS path prepend of ASN ( 23679)                              26
Prefixes from unregistered ASNs in the Routing Table:                89
    Number of instances of unregistered ASNs:                        89
Number of 32-bit ASNs allocated by the RIRs:                      20830
Number of 32-bit ASNs visible in the Routing Table:               16674
Prefixes from 32-bit ASNs in the Routing Table:                   68623
Number of bogon 32-bit ASNs visible in the Routing Table:            10
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            350
Number of addresses announced to Internet:                   2861476514
    Equivalent to 170 /8s, 142 /16s and 170 /24s
    Percentage of available address space announced:               77.3
    Percentage of allocated address space announced:               77.3
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.8
Total number of prefixes smaller than registry allocations:      223308

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

Prefixes being announced by APNIC Region ASes:                   185027
    Total APNIC prefixes after maximum aggregation:               53147
    APNIC Deaggregation factor:                                    3.48
Prefixes being announced from the APNIC address blocks:          184153
    Unique aggregates announced from the APNIC address blocks:    76925
APNIC Region origin ASes present in the Internet Routing Table:    8526
    APNIC Prefixes per ASN:                                       21.60
APNIC Region origin ASes announcing only one prefix:               2392
APNIC Region transit ASes present in the Internet Routing Table:   1230
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3394
Number of APNIC addresses announced to Internet:              767380514
    Equivalent to 45 /8s, 189 /16s and 76 /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:                    201752
    Total ARIN prefixes after maximum aggregation:                97101
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:           203119
    Unique aggregates announced from the ARIN address blocks:     95080
ARIN Region origin ASes present in the Internet Routing Table:    18043
    ARIN Prefixes per ASN:                                        11.26
ARIN Region origin ASes announcing only one prefix:                6673
ARIN Region transit ASes present in the Internet Routing Table:    1782
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:    2276
Number of ARIN addresses announced to Internet:              1112345120
    Equivalent to 66 /8s, 77 /16s and 10 /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:                    181863
    Total RIPE prefixes after maximum aggregation:                88725
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           177773
    Unique aggregates announced from the RIPE address blocks:    107176
RIPE Region origin ASes present in the Internet Routing Table:    24709
    RIPE Prefixes per ASN:                                         7.19
RIPE Region origin ASes announcing only one prefix:               11307
RIPE Region transit ASes present in the Internet Routing Table:    3509
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6465
Number of RIPE addresses announced to Internet:               713494912
    Equivalent to 42 /8s, 135 /16s and 17 /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:                   87455
    Total LACNIC prefixes after maximum aggregation:              19290
    LACNIC Deaggregation factor:                                   4.53
Prefixes being announced from the LACNIC address blocks:          88717
    Unique aggregates announced from the LACNIC address blocks:   39465
LACNIC Region origin ASes present in the Internet Routing Table:   6636
    LACNIC Prefixes per ASN:                                      13.37
LACNIC Region origin ASes announcing only one prefix:              1817
LACNIC Region transit ASes present in the Internet Routing Table:  1234
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4162
Number of LACNIC addresses announced to Internet:             172656352
    Equivalent to 10 /8s, 74 /16s and 134 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-268700 + 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:                  17844
    Total AfriNIC prefixes after maximum aggregation:              3918
    AfriNIC Deaggregation factor:                                  4.55
Prefixes being announced from the AfriNIC address blocks:         19920
    Unique aggregates announced from the AfriNIC address blocks:   7176
AfriNIC Region origin ASes present in the Internet Routing Table:  1102
    AfriNIC Prefixes per ASN:                                     18.08
AfriNIC Region origin ASes announcing only one prefix:              359
AfriNIC Region transit ASes present in the Internet Routing Table:  220
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:  377
Number of AfriNIC addresses announced to Internet:             95038976
    Equivalent to 5 /8s, 170 /16s and 46 /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         5257       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4083        410     407  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2797      11128     758  KIXS-AS-KR Korea Telecom, KR
 17974         2780        916      76  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9829         2766       1499     540  BSNL-NIB National Internet Backbone, IN
 45899         2481       1529     158  VNPT-AS-VN VNPT Corp, VN
  7552         2359       1158      55  VIETEL-AS-AP Viettel Group, VN
  9394         2169       4931      27  CTTNET China TieTong Telecommunications
  4755         2081        421     211  TATACOMM-AS TATA Communications formerl
  9808         2073       8699      32  CMNET-GD Guangdong Mobile Communication

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
  6327         3366       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3303       2951     146  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2170        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2060       2296     461  CHARTER-NET-HKY-NC - Charter Communicat
  6389         1975       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 16509         1950       4077     588  AMAZON-02 - Amazon.com, Inc., US
   209         1931       5062     645  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1861        331     247  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 11492         1694        234     570  CABLEONE - CABLE ONE, INC., US
   701         1547      10589     625  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         3519        186      23  ALJAWWALSTC-AS, SA
 20940         2863        853    2066  AKAMAI-ASN1, US
  8551         2493        378      42  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2065       1795     696  ROSTELECOM-AS, RU
 34984         2051        330     439  TELLCOM-AS, TR
 12479         1963       1069     124  UNI2-AS, ES
  9121         1898       1691      17  TTNET, TR
 13188         1605        100      46  TRIOLAN, UA
  8402         1233        544      14  CORBINA-AS OJSC "Vimpelcom", RU
  6849         1227        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
  8151         3651       3468     596  Uninet S.A. de C.V., MX
 10620         3568        540     266  Telmex Colombia S.A., CO
 11830         2646        370      66  Instituto Costarricense de Electricidad
  6503         1628        437      53  Axtel, S.A.B. de C.V., MX
  7303         1497       1022     194  Telecom Argentina S.A., AR
  6147         1220        377      27  Telefonica del Peru S.A.A., PE
  3816         1034        512     103  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573          997       2256     200  CLARO S.A., BR
 11172          918        126      85  Alestra, S. de R.L. de C.V., MX
 18881          904       1065      27  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         1075        398      48  LINKdotNET-AS, EG
 37611          772         91       8  Afrihost, ZA
 36903          737        370     135  MT-MPLS, MA
 36992          677       1383      31  ETISALAT-MISR, EG
  8452          524       1730      17  TE-AS TE-AS, EG
 24835          516        850      15  RAYA-AS, EG
 29571          436         36      10  CITelecom-AS, CI
 37492          433        367      77  ORANGE-, TN
 15399          350         35       7  WANANCHI-, KE
 37342          343         32       1  MOVITEL, MZ

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         5257       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4083        410     407  TPG-INTERNET-AP TPG Telecom Limited, AU
  8151         3651       3468     596  Uninet S.A. de C.V., MX
 10620         3568        540     266  Telmex Colombia S.A., CO
 39891         3519        186      23  ALJAWWALSTC-AS, SA
  6327         3366       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3303       2951     146  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 20940         2863        853    2066  AKAMAI-ASN1, US
  4766         2797      11128     758  KIXS-AS-KR Korea Telecom, KR
 17974         2780        916      76  TELKOMNET-AS2-AP PT Telekomunikasi Indo

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

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings  Description
  7545       4083         3676   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3519         3496   ALJAWWALSTC-AS, SA
 10620       3568         3302   Telmex Colombia S.A., CO
  6327       3366         3280   SHAW - Shaw Communications Inc., CA
 22773       3303         3157   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8151       3651         3055   Uninet S.A. de C.V., MX
 17974       2780         2704   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
 11830       2646         2580   Instituto Costarricense de Electricidad y Telec
  8551       2493         2451   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 45899       2481         2323   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
  64710   PRIVATE      39.134.26.0/23       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.134.28.0/23       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.134.30.0/24       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.134.31.0/24       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.137.20.0/23       56042       CMNET-SHANXI-AP China Mobile c
  64710   PRIVATE      39.137.22.0/24       56042       CMNET-SHANXI-AP China Mobile c
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
100.64.0.0/15         4804     MPX-AS Microplex PTY LTD, AU

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

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

Network            Origin AS  Description
14.128.14.0/23       10247    NETLINE, ZA
14.192.50.0/23       10247    NETLINE, ZA
14.192.58.0/23       10247    NETLINE, ZA
27.100.7.0/24        56096    UNKNOWN
36.255.250.0/23      10247    NETLINE, ZA
41.78.180.0/23       37265    -Reserved AS-, ZZ
43.228.144.0/22       9829    BSNL-NIB National Internet Backbone, IN
43.251.20.0/22        9381    WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22      133676    PNPL-AS Precious netcom pvt ltd, IN
43.251.84.0/23      133676    PNPL-AS Precious netcom pvt ltd, IN

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      /11:106     /12:285     
/13:550     /14:1064    /15:1862    /16:13342   /17:7740    /18:13630   
/19:25246   /20:38966   /21:44009   /22:81970   /23:66887   /24:376085  
/25:827     /26:606     /27:655     /28:36      /29:21      /30:17      
/31:4       /32:60      

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

   ASN   No of nets  Total ann.  Description
  6327     3158          3366    SHAW - Shaw Communications Inc., CA
 39891     2946          3519    ALJAWWALSTC-AS, SA
 22773     2547          3303    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2064          2170    MEGAPATH5-US - MegaPath Corporation, US
 11830     1992          2646    Instituto Costarricense de Electricidad y Telec
  8551     1957          2493    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1628          1861    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1560          3568    Telmex Colombia S.A., CO
 11492     1502          1694    CABLEONE - CABLE ONE, INC., US
  9121     1370          1898    TTNET, TR

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

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:1567      2:818       4:18        5:2612      6:38        8:1087   
   9:1        12:1851     13:181      14:1742     15:29       16:3      
  17:183      18:76       20:53       21:1        23:2473     24:1929   
  25:2        27:2349     31:1968     32:87       35:22       36:452    
  37:2446     38:1443     39:156      40:101      41:3039     42:524    
  43:1952     44:88       45:3386     46:2857     47:191      49:1369   
  50:1043     51:35       52:912      54:354      55:5        56:7      
  57:42       58:1568     59:992      60:373      61:1999     62:1786   
  63:1832     64:4611     65:2240     66:4495     67:2296     68:1189   
  69:3178     70:1133     71:588      72:2090     74:2687     75:391    
  76:423      77:1545     78:1573     79:1891     80:1434     81:1418   
  82:1062     83:757      84:996      85:1925     86:484      87:1216   
  88:893      89:2307     90:174      91:6254     92:1036     93:2356   
  94:2424     95:2710     96:669      97:352      98:958      99:107    
 100:153     101:1480    102:9       103:16395   104:3200    105:211    
 106:517     107:1784    108:820     109:2926    110:1508    111:1729   
 112:1271    113:1374    114:1072    115:1602    116:1711    117:1632   
 118:2176    119:1649    120:734     121:1065    122:2403    123:1914   
 124:1474    125:1821    128:960     129:576     130:442     131:1563   
 132:605     133:194     134:975     135:229     136:446     137:456    
 138:1994    139:550     140:381     141:678     142:762     143:922    
 144:795     145:193     146:1146    147:706     148:1553    149:630    
 150:718     151:1003    152:738     153:303     154:971     155:738    
 156:736     157:755     158:597     159:1621    160:834     161:731    
 162:2543    163:530     164:939     165:1472    166:384     167:1343   
 168:3131    169:791     170:3624    171:402     172:1022    173:1895   
 174:838     175:771     176:1891    177:4014    178:2494    179:1177   
 180:2232    181:2114    182:2394    183:811     184:889     185:11722  
 186:3387    187:2353    188:2607    189:1935    190:8198    191:1348   
 192:9718    193:5853    194:4754    195:3967    196:2287    197:1468   
 198:5550    199:5877    200:7225    201:4862    202:10424   203:10004  
 204:4552    205:2871    206:3060    207:3087    208:3981    209:3880   
 210:3978    211:2072    212:2892    213:2586    214:869     215:65     
 216:5726    217:2098    218:892     219:624     220:1696    221:944    
 222:731     223:1206   

End of report


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