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[apops] Weekly Routing Table Report



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@lists.apnic.net

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

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

Routing Table Report   04:00 +10GMT Sat 03 Mar, 2018

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

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

BGP routing table entries examined:                              687961
    Prefixes after maximum aggregation (per Origin AS):          266895
    Deaggregation factor:                                          2.58
    Unique aggregates announced (without unneeded subnets):      331711
Total ASes present in the Internet Routing Table:                 59983
    Prefixes per ASN:                                             11.47
Origin-only ASes present in the Internet Routing Table:           51808
Origin ASes announcing only one prefix:                           22740
Transit ASes present in the Internet Routing Table:                8175
Transit-only ASes present in the Internet Routing Table:            257
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      37
    Max AS path prepend of ASN (262865)                              25
Prefixes from unregistered ASNs in the Routing Table:                58
    Number of instances of unregistered ASNs:                        58
Number of 32-bit ASNs allocated by the RIRs:                      21677
Number of 32-bit ASNs visible in the Routing Table:               17438
Prefixes from 32-bit ASNs in the Routing Table:                   72349
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:            326
Number of addresses announced to Internet:                   2855228258
    Equivalent to 170 /8s, 47 /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:               98.8
Total number of prefixes smaller than registry allocations:      228105

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

Prefixes being announced by APNIC Region ASes:                   189669
    Total APNIC prefixes after maximum aggregation:               54076
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          188647
    Unique aggregates announced from the APNIC address blocks:    77563
APNIC Region origin ASes present in the Internet Routing Table:    8675
    APNIC Prefixes per ASN:                                       21.75
APNIC Region origin ASes announcing only one prefix:               2459
APNIC Region transit ASes present in the Internet Routing Table:   1284
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         27
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3589
Number of APNIC addresses announced to Internet:              768016418
    Equivalent to 45 /8s, 199 /16s and 0 /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:                    205098
    Total ARIN prefixes after maximum aggregation:                98253
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:           205932
    Unique aggregates announced from the ARIN address blocks:     97158
ARIN Region origin ASes present in the Internet Routing Table:    18084
    ARIN Prefixes per ASN:                                        11.39
ARIN Region origin ASes announcing only one prefix:                6690
ARIN Region transit ASes present in the Internet Routing Table:    1797
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:    2314
Number of ARIN addresses announced to Internet:              1104806432
    Equivalent to 65 /8s, 218 /16s and 2 /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:                    186339
    Total RIPE prefixes after maximum aggregation:                90949
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           182630
    Unique aggregates announced from the RIPE address blocks:    109299
RIPE Region origin ASes present in the Internet Routing Table:    24943
    RIPE Prefixes per ASN:                                         7.32
RIPE Region origin ASes announcing only one prefix:               11325
RIPE Region transit ASes present in the Internet Routing Table:    3499
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6729
Number of RIPE addresses announced to Internet:               714026880
    Equivalent to 42 /8s, 143 /16s and 47 /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:                   88435
    Total LACNIC prefixes after maximum aggregation:              19571
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:          89797
    Unique aggregates announced from the LACNIC address blocks:   40020
LACNIC Region origin ASes present in the Internet Routing Table:   6880
    LACNIC Prefixes per ASN:                                      13.05
LACNIC Region origin ASes announcing only one prefix:              1899
LACNIC Region transit ASes present in the Internet Routing Table:  1262
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        37
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4413
Number of LACNIC addresses announced to Internet:             172137888
    Equivalent to 10 /8s, 66 /16s and 157 /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:                  18360
    Total AfriNIC prefixes after maximum aggregation:              4000
    AfriNIC Deaggregation factor:                                  4.59
Prefixes being announced from the AfriNIC address blocks:         20629
    Unique aggregates announced from the AfriNIC address blocks:   7410
AfriNIC Region origin ASes present in the Internet Routing Table:  1119
    AfriNIC Prefixes per ASN:                                     18.44
AfriNIC Region origin ASes announcing only one prefix:              366
AfriNIC Region transit ASes present in the Internet Routing Table:  229
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  393
Number of AfriNIC addresses announced to Internet:             95837440
    Equivalent to 5 /8s, 182 /16s and 93 /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         5442       4195      92  ERX-CERNET-BKB China Education and Rese
  7545         4057        408     415  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2858      11132     774  KIXS-AS-KR Korea Telecom, KR
  9829         2802       1499     540  BSNL-NIB National Internet Backbone, IN
 17974         2710        934      80  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  7552         2638       1161      59  VIETEL-AS-AP Viettel Group, VN
  9394         2630       4923      29  CTTNET China TieTong Telecommunications
 45899         2561       1561     160  VNPT-AS-VN VNPT Corp, VN
  9808         2180       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2083        417     215  TATACOMM-AS TATA Communications formerl

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         3383       1323      84  SHAW - Shaw Communications Inc., CA
 22773         3276       2988     149  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2167        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2095       2483     435  CHARTER-NET-HKY-NC - Charter Communicat
 16509         2027       4371     603  AMAZON-02 - Amazon.com, Inc., US
 30036         1928        338     196  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         1927       5055     619  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
  6389         1841       3671      36  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 11492         1740        227     574  CABLEONE - CABLE ONE, INC., US
  7018         1684      20187    1249  ATT-INTERNET4 - AT&T Services, 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         3520        187      21  ALJAWWALSTC-AS, SA
 12479         3058       1316     804  UNI2-AS, ES
 20940         2855        846    2071  AKAMAI-ASN1, US
  8551         2066        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2037       1864     704  ROSTELECOM-AS, RU
 34984         1992        332     474  TELLCOM-AS, TR
  9121         1922       1692      19  TTNET, TR
 13188         1606        100      46  TRIOLAN, UA
  6849         1241        355      21  UKRTELNET, UA
  8402         1215        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
  8151         4161       3388     587  Uninet S.A. de C.V., MX
 10620         3594        541     253  Telmex Colombia S.A., CO
 11830         2639        370      66  Instituto Costarricense de Electricidad
  6503         1625        437      53  Axtel, S.A.B. de C.V., MX
  7303         1507       1026     191  Telecom Argentina S.A., AR
 28573         1021       2246     189  CLARO S.A., BR
  6147         1010        377      27  Telefonica del Peru S.A.A., PE
  3816         1007        506     120  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          923        126      85  Alestra, S. de R.L. de C.V., MX
 18881          907       1072      29  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         1162        398      49  LINKdotNET-AS, EG
 37611          809         91       8  Afrihost, ZA
 36903          739        371     135  MT-MPLS, MA
 36992          681       1380      38  ETISALAT-MISR, EG
  8452          615       1730      18  TE-AS TE-AS, EG
 24835          557        850      15  RAYA-AS, EG
 29571          466         68      12  ORANGE-COTE-IVOIRE, CI
 37492          453        376      80  ORANGE-, TN
 15399          361         35       7  WANANCHI-, KE
 37342          360         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         5442       4195      92  ERX-CERNET-BKB China Education and Rese
  8151         4161       3388     587  Uninet S.A. de C.V., MX
  7545         4057        408     415  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3594        541     253  Telmex Colombia S.A., CO
 39891         3520        187      21  ALJAWWALSTC-AS, SA
  6327         3383       1323      84  SHAW - Shaw Communications Inc., CA
 22773         3276       2988     149  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 12479         3058       1316     804  UNI2-AS, ES
  4766         2858      11132     774  KIXS-AS-KR Korea Telecom, KR
 20940         2855        846    2071  AKAMAI-ASN1, US

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       4057         3642   TPG-INTERNET-AP TPG Telecom Limited, AU
  8151       4161         3574   Uninet S.A. de C.V., MX
 39891       3520         3499   ALJAWWALSTC-AS, SA
 10620       3594         3341   Telmex Colombia S.A., CO
  6327       3383         3299   SHAW - Shaw Communications Inc., CA
 22773       3276         3127   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 17974       2710         2630   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9394       2630         2601   CTTNET China TieTong Telecommunications Corpora
  7552       2638         2579   VIETEL-AS-AP Viettel Group, VN
 11830       2639         2573   Instituto Costarricense de Electricidad y Telec

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

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

Bad AS    Designation  Network              Transit AS  Description
  65456   PRIVATE      31.171.126.0/23     199311       AZRT-LX Local Internet Exchang
  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
  65024   PRIVATE      87.103.234.0/24      39407       CHITATELECOM-AS, RU
  65000   PRIVATE      95.179.2.0/24        65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.3.0/24        65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.69.0/24       65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.70.0/24       65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.92.0/24       65001       -Private Use AS-, ZZ

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

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

Prefix             Origin AS  Description
100.66.224.0/19        209     CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati

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
37.44.224.0/20       48666    AS-MAROSNET Moscow, Russia, RU
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

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        /8:14       /9:11      /10:37      /11:100     /12:289     
/13:563     /14:1094    /15:1896    /16:13317   /17:7834    /18:13616   
/19:25232   /20:39103   /21:45091   /22:84770   /23:68868   /24:383905  
/25:839     /26:597     /27:652     /28:35      /29:19      /30:17      
/31:4       /32:58      

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

   ASN   No of nets  Total ann.  Description
  6327     3175          3383    SHAW - Shaw Communications Inc., CA
 39891     2946          3520    ALJAWWALSTC-AS, SA
 22773     2532          3276    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2061          2167    MEGAPATH5-US - MegaPath Corporation, US
 11830     1986          2639    Instituto Costarricense de Electricidad y Telec
 12479     1890          3058    UNI2-AS, ES
 30036     1683          1928    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1594          3594    Telmex Colombia S.A., CO
  8551     1529          2066    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11492     1522          1740    CABLEONE - CABLE ONE, INC., US

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

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

   1:1569      2:831       4:19        5:2798      6:59        7:1      
   8:1100      9:1        12:1872     13:206      14:1755     15:26     
  16:3        17:187      18:69       20:48       21:3        23:2549   
  24:2175     25:2        27:2346     31:1950     32:88       35:25     
  36:497      37:2648     38:1463     39:247      40:103      41:3005   
  42:545      43:1951     44:100      45:3785     46:3029     47:198    
  49:1357     50:1043     51:48       52:978      54:353      55:3      
  56:8        57:42       58:1595     59:1023     60:427      61:2135   
  62:1800     63:1802     64:4694     65:2225     66:4542     67:2340   
  68:1169     69:3195     70:1193     71:557      72:2100     74:2670   
  75:401      76:424      77:1535     78:1669     79:1809     80:1486   
  81:1418     82:1080     83:778      84:1016     85:2035     86:559    
  87:1260     88:915      89:2299     90:190      91:6304     92:1186   
  93:2373     94:2403     95:2734     96:651      97:356      98:928    
  99:124     100:80      101:1474    102:28      103:17266   104:3274   
 105:221     106:563     107:1795    108:708     109:2691    110:1588   
 111:1775    112:1316    113:1379    114:1111    115:1650    116:1646   
 117:1707    118:2186    119:1674    120:967     121:1072    122:2458   
 123:1815    124:1460    125:1877    128:975     129:613     130:444    
 131:1602    132:647     133:194     134:999     135:225     136:440    
 137:491     138:1950    139:573     140:402     141:686     142:783    
 143:972     144:799     145:456     146:1159    147:745     148:1535   
 149:709     150:744     151:1046    152:750     153:308     154:1035   
 155:753     156:843     157:778     158:623     159:1629    160:869    
 161:730     162:2550    163:527     164:1025    165:1379    166:397    
 167:1386    168:3091    169:807     170:3689    171:416     172:1059   
 173:1925    174:879     175:755     176:1919    177:3927    178:2420   
 179:1176    180:2237    181:2138    182:2462    183:1132    184:910    
 185:12725   186:3482    187:2319    188:2702    189:1974    190:8118   
 191:1450    192:9768    193:5889    194:4774    195:3968    196:2439   
 197:1428    198:5520    199:5887    200:7311    201:4876    202:10391  
 203:10083   204:4535    205:2855    206:3062    207:3123    208:3988   
 209:3932    210:4038    211:2119    212:3010    213:2665    214:903    
 215:63      216:5852    217:2131    218:899     219:621     220:1735   
 221:996     222:1053    223:1242   

End of report