Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Oct 6 18:02:46 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
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 07 Oct, 2017

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

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

BGP routing table entries examined:                              666275
    Prefixes after maximum aggregation (per Origin AS):          258788
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      320459
Total ASes present in the Internet Routing Table:                 58610
    Prefixes per ASN:                                             11.37
Origin-only ASes present in the Internet Routing Table:           50634
Origin ASes announcing only one prefix:                           22344
Transit ASes present in the Internet Routing Table:                7976
Transit-only ASes present in the Internet Routing Table:            232
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      32
    Max AS path prepend of ASN ( 29046)                              25
Prefixes from unregistered ASNs in the Routing Table:                90
    Number of instances of unregistered ASNs:                        90
Number of 32-bit ASNs allocated by the RIRs:                      20182
Number of 32-bit ASNs visible in the Routing Table:               15985
Prefixes from 32-bit ASNs in the Routing Table:                   65602
Number of bogon 32-bit ASNs visible in the Routing Table:            20
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            329
Number of addresses announced to Internet:                   2855818080
    Equivalent to 170 /8s, 56 /16s and 83 /24s
    Percentage of available address space announced:               77.1
    Percentage of allocated address space announced:               77.1
    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:      219686

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

Prefixes being announced by APNIC Region ASes:                   184470
    Total APNIC prefixes after maximum aggregation:               52431
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          183462
    Unique aggregates announced from the APNIC address blocks:    74836
APNIC Region origin ASes present in the Internet Routing Table:    8365
    APNIC Prefixes per ASN:                                       21.93
APNIC Region origin ASes announcing only one prefix:               2315
APNIC Region transit ASes present in the Internet Routing Table:   1201
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3222
Number of APNIC addresses announced to Internet:              765571296
    Equivalent to 45 /8s, 161 /16s and 176 /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:                    200599
    Total ARIN prefixes after maximum aggregation:                96384
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:           202201
    Unique aggregates announced from the ARIN address blocks:     94047
ARIN Region origin ASes present in the Internet Routing Table:    17999
    ARIN Prefixes per ASN:                                        11.23
ARIN Region origin ASes announcing only one prefix:                6666
ARIN Region transit ASes present in the Internet Routing Table:    1769
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:    2215
Number of ARIN addresses announced to Internet:              1110698016
    Equivalent to 66 /8s, 51 /16s and 232 /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:                    177740
    Total RIPE prefixes after maximum aggregation:                87039
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           173740
    Unique aggregates announced from the RIPE address blocks:    104942
RIPE Region origin ASes present in the Internet Routing Table:    24456
    RIPE Prefixes per ASN:                                         7.10
RIPE Region origin ASes announcing only one prefix:               11213
RIPE Region transit ASes present in the Internet Routing Table:    3491
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:    6233
Number of RIPE addresses announced to Internet:               713210496
    Equivalent to 42 /8s, 130 /16s and 186 /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:                   85864
    Total LACNIC prefixes after maximum aggregation:              18976
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:          87097
    Unique aggregates announced from the LACNIC address blocks:   39215
LACNIC Region origin ASes present in the Internet Routing Table:   6448
    LACNIC Prefixes per ASN:                                      13.51
LACNIC Region origin ASes announcing only one prefix:              1805
LACNIC Region transit ASes present in the Internet Routing Table:  1194
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3967
Number of LACNIC addresses announced to Internet:             172591840
    Equivalent to 10 /8s, 73 /16s and 138 /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:                  17510
    Total AfriNIC prefixes after maximum aggregation:              3884
    AfriNIC Deaggregation factor:                                  4.51
Prefixes being announced from the AfriNIC address blocks:         19446
    Unique aggregates announced from the AfriNIC address blocks:   7160
AfriNIC Region origin ASes present in the Internet Routing Table:  1077
    AfriNIC Prefixes per ASN:                                     18.06
AfriNIC Region origin ASes announcing only one prefix:              344
AfriNIC Region transit ASes present in the Internet Routing Table:  213
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  348
Number of AfriNIC addresses announced to Internet:             93300992
    Equivalent to 5 /8s, 143 /16s and 169 /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         5270       4192      76  ERX-CERNET-BKB China Education and Rese
  7545         3991        407     407  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2863        900      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2789      11126     751  KIXS-AS-KR Korea Telecom, KR
  9829         2755       1499     540  BSNL-NIB National Internet Backbone, IN
  9808         2368       8699      32  CMNET-GD Guangdong Mobile Communication
 45899         2264       1465     142  VNPT-AS-VN VNPT Corp, VN
  9394         2174       4931      27  CTTNET China TieTong Telecommunications
  4755         2106        423     222  TATACOMM-AS TATA Communications formerl
  7552         1796       1139      90  VIETEL-AS-AP Viettel Corporation, VN

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         3414       1341      88  SHAW - Shaw Communications Inc., CA
 22773         3300       2952     157  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2208        405     107  MEGAPATH5-US - MegaPath Corporation, US
  6389         2045       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         2043       2264     431  CHARTER-NET-HKY-NC - Charter Communicat
   209         1937       5067     653  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1848       4013     547  AMAZON-02 - Amazon.com, Inc., US
 30036         1825        329     335  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   701         1679      10589     626  UUNET - MCI Communications Services, In
 11492         1628        241     558  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         2855        875    2056  AKAMAI-ASN1, US
  8551         2441        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984         2056        330     423  TELLCOM-AS, TR
 12389         1823       1659     689  ROSTELECOM-AS, RU
  9121         1779       1691      17  TTNET, TR
 12479         1742       1063      72  UNI2-AS, ES
 13188         1604        100      52  TRIOLAN, UA
  6849         1225        355      21  UKRTELNET, UA
  8402         1199        544      14  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         3570        541     253  Telmex Colombia S.A., CO
  8151         3230       3471     584  Uninet S.A. de C.V., MX
 11830         2076        370      65  Instituto Costarricense de Electricidad
  6503         1552        437      53  Axtel, S.A.B. de C.V., MX
  7303         1548       1015     242  Telecom Argentina S.A., AR
  6147         1278        377      27  Telefonica del Peru S.A.A., PE
  3816         1032        509     103  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573          992       2301     182  CLARO S.A., BR
 11172          914        126      86  Alestra, S. de R.L. de C.V., MX
 18881          901       1056      24  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         1215        398      48  LINKdotNET-AS, EG
 37611          770         91       8  Afrihost, ZA
 36903          706        355     138  MT-MPLS, MA
 36992          666       1383      31  ETISALAT-MISR, EG
 24835          515        850      15  RAYA-AS, EG
  8452          423       1730      18  TE-AS TE-AS, EG
 29571          421         36      10  CITelecom-AS, CI
 37492          416        354      77  ORANGE-, TN
 15399          356         35       7  WANANCHI-, KE
  2018          297        327      73  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         5270       4192      76  ERX-CERNET-BKB China Education and Rese
  7545         3991        407     407  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3570        541     253  Telmex Colombia S.A., CO
  6327         3414       1341      88  SHAW - Shaw Communications Inc., CA
 39891         3387        186      23  ALJAWWALSTC-AS, SA
 22773         3300       2952     157  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  8151         3230       3471     584  Uninet S.A. de C.V., MX
 17974         2863        900      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo
 20940         2855        875    2056  AKAMAI-ASN1, US
  4766         2789      11126     751  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
  7545       3991         3584   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3387         3364   ALJAWWALSTC-AS, SA
  6327       3414         3326   SHAW - Shaw Communications Inc., CA
 10620       3570         3317   Telmex Colombia S.A., CO
 22773       3300         3143   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 17974       2863         2786   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  8151       3230         2646   Uninet S.A. de C.V., MX
  8551       2441         2400   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  9808       2368         2336   CMNET-GD Guangdong Mobile Communication Co.Ltd.
  9829       2755         2215   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
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  65456   PRIVATE      31.171.126.0/23     199311       AZRT-LX Local Internet Exchang
  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-
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  65534   PRIVATE      58.68.109.0/24       10201       DWL-AS-IN Dishnet Wireless Lim
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
290012147   UNALLOCATED  63.65.43.0/24         7046       RFC2270-UUNET-CUSTOMER - MCI C
  65538   DOCUMENT     64.27.253.0/24        1273       CW Vodafone Group PLC, GB

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
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     /12:284     
/13:554     /14:1054    /15:1870    /16:13422   /17:7775    /18:13699   
/19:25384   /20:39377   /21:42849   /22:80328   /23:65493   /24:371552  
/25:854     /26:627     /27:653     /28:37      /29:39      /30:219     
/31:2       /32:33      

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

   ASN   No of nets  Total ann.  Description
  6327     3210          3414    SHAW - Shaw Communications Inc., CA
 39891     2946          3387    ALJAWWALSTC-AS, SA
 22773     2523          3300    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2094          2208    MEGAPATH5-US - MegaPath Corporation, US
  8551     1906          2441    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1601          1825    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1529          3570    Telmex Colombia S.A., CO
 11830     1468          2076    Instituto Costarricense de Electricidad y Telec
 11492     1447          1628    CABLEONE - CABLE ONE, INC., US
 34984     1363          2056    TELLCOM-AS, TR

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

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

   1:1564      2:841       4:18        5:2496      6:39        7:1      
   8:1074     12:1850     13:159      14:1710     15:28       16:3      
  17:174      18:76       20:60       23:2478     24:1633     25:2      
  27:2417     29:1        31:1943     32:89       35:21       36:421    
  37:2296     38:1390     39:73       40:98       41:3052     42:496    
  43:1963     44:84       45:3079     46:2824     47:170      49:1262   
  50:1006     51:19       52:860      54:353      55:1        56:4      
  57:43       58:1586     59:991      60:354      61:2020     62:1712   
  63:1900     64:4603     65:2213     66:4450     67:2292     68:1190   
  69:3172     70:1162     71:614      72:2144     74:2636     75:401    
  76:413      77:1539     78:1551     79:1889     80:1418     81:1401   
  82:1026     83:741      84:952      85:1896     86:464      87:1217   
  88:821      89:2231     90:171      91:6218     92:1025     93:2347   
  94:2396     95:2642     96:632      97:352      98:959      99:93     
 100:153     101:1464    102:1       103:15963   104:3044    105:210    
 106:559     107:1768    108:829     109:2911    110:1471    111:1750   
 112:1275    113:1268    114:1075    115:1585    116:1700    117:1792   
 118:2146    119:1642    120:910     121:1072    122:2437    123:1864   
 124:1503    125:1804    128:911     129:674     130:444     131:1499   
 132:612     133:193     134:802     135:226     136:334     137:494    
 138:1978    139:524     140:378     141:672     142:741     143:912    
 144:787     145:185     146:1113    147:682     148:1496    149:594    
 150:703     151:1002    152:719     153:300     154:920     155:767    
 156:687     157:733     158:596     159:1561    160:776     161:753    
 162:2507    163:511     164:990     165:1437    166:383     167:1299   
 168:3036    169:811     170:3578    171:382     172:994     173:2019   
 174:799     175:784     176:1857    177:3895    178:2490    179:1138   
 180:2210    181:2092    182:2455    183:827     184:901     185:10890  
 186:3322    187:2254    188:2584    189:1838    190:8403    191:1370   
 192:9673    193:5809    194:4714    195:3952    196:2169    197:1305   
 198:5529    199:5871    200:7527    201:4403    202:10378   203:9984   
 204:4546    205:2859    206:3005    207:3166    208:3954    209:4045   
 210:3937    211:2080    212:2884    213:2604    214:849     215:66     
 216:5894    217:2102    218:973     219:590     220:1671    221:940    
 222:757     223:1291   

End of report


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