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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 17 Feb, 2018

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

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

BGP routing table entries examined:                              684637
    Prefixes after maximum aggregation (per Origin AS):          265970
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      330947
Total ASes present in the Internet Routing Table:                 59858
    Prefixes per ASN:                                             11.44
Origin-only ASes present in the Internet Routing Table:           51687
Origin ASes announcing only one prefix:                           22724
Transit ASes present in the Internet Routing Table:                8171
Transit-only ASes present in the Internet Routing Table:            246
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      35
    Max AS path prepend of ASN (262865)                              25
Prefixes from unregistered ASNs in the Routing Table:                60
    Number of instances of unregistered ASNs:                        65
Number of 32-bit ASNs allocated by the RIRs:                      21513
Number of 32-bit ASNs visible in the Routing Table:               17291
Prefixes from 32-bit ASNs in the Routing Table:                   71701
Number of bogon 32-bit ASNs visible in the Routing Table:            16
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            327
Number of addresses announced to Internet:                   2859150498
    Equivalent to 170 /8s, 107 /16s and 44 /24s
    Percentage of available address space announced:               77.2
    Percentage of allocated address space announced:               77.2
    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:      226547

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

Prefixes being announced by APNIC Region ASes:                   188710
    Total APNIC prefixes after maximum aggregation:               53959
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          187716
    Unique aggregates announced from the APNIC address blocks:    77588
APNIC Region origin ASes present in the Internet Routing Table:    8644
    APNIC Prefixes per ASN:                                       21.72
APNIC Region origin ASes announcing only one prefix:               2446
APNIC Region transit ASes present in the Internet Routing Table:   1277
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:   3548
Number of APNIC addresses announced to Internet:              767863586
    Equivalent to 45 /8s, 196 /16s and 171 /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:                    204508
    Total ARIN prefixes after maximum aggregation:                98090
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:           205428
    Unique aggregates announced from the ARIN address blocks:     96860
ARIN Region origin ASes present in the Internet Routing Table:    18091
    ARIN Prefixes per ASN:                                        11.36
ARIN Region origin ASes announcing only one prefix:                6692
ARIN Region transit ASes present in the Internet Routing Table:    1802
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2311
Number of ARIN addresses announced to Internet:              1108954656
    Equivalent to 66 /8s, 25 /16s and 78 /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:                    185052
    Total RIPE prefixes after maximum aggregation:                90426
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           181322
    Unique aggregates announced from the RIPE address blocks:    109009
RIPE Region origin ASes present in the Internet Routing Table:    24892
    RIPE Prefixes per ASN:                                         7.28
RIPE Region origin ASes announcing only one prefix:               11332
RIPE Region transit ASes present in the Internet Routing Table:    3495
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:    6670
Number of RIPE addresses announced to Internet:               713989248
    Equivalent to 42 /8s, 142 /16s and 156 /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:                   88104
    Total LACNIC prefixes after maximum aggregation:              19488
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:          89436
    Unique aggregates announced from the LACNIC address blocks:   39904
LACNIC Region origin ASes present in the Internet Routing Table:   6840
    LACNIC Prefixes per ASN:                                      13.08
LACNIC Region origin ASes announcing only one prefix:              1887
LACNIC Region transit ASes present in the Internet Routing Table:  1260
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        35
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4369
Number of LACNIC addresses announced to Internet:             172280544
    Equivalent to 10 /8s, 68 /16s and 202 /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:                  18201
    Total AfriNIC prefixes after maximum aggregation:              3960
    AfriNIC Deaggregation factor:                                  4.60
Prefixes being announced from the AfriNIC address blocks:         20408
    Unique aggregates announced from the AfriNIC address blocks:   7329
AfriNIC Region origin ASes present in the Internet Routing Table:  1118
    AfriNIC Prefixes per ASN:                                     18.25
AfriNIC Region origin ASes announcing only one prefix:              366
AfriNIC Region transit ASes present in the Internet Routing Table:  224
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:  393
Number of AfriNIC addresses announced to Internet:             95677696
    Equivalent to 5 /8s, 179 /16s and 237 /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         5436       4195      92  ERX-CERNET-BKB China Education and Rese
  7545         3778        407     412  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2869      11132     770  KIXS-AS-KR Korea Telecom, KR
  9829         2801       1499     540  BSNL-NIB National Internet Backbone, IN
 17974         2711        934      76  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  7552         2635       1161      60  VIETEL-AS-AP Viettel Group, VN
  9394         2629       4923      28  CTTNET China TieTong Telecommunications
 45899         2587       1558     154  VNPT-AS-VN VNPT Corp, VN
  9808         2181       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2079        416     214  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         3391       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3272       2987     147  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2166        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2088       2406     435  CHARTER-NET-HKY-NC - Charter Communicat
 16509         2019       4164     592  AMAZON-02 - Amazon.com, Inc., US
   209         1937       5060     625  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1919        337     197  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6389         1862       3671      36  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 11492         1732        229     571  CABLEONE - CABLE ONE, INC., US
  7018         1685      20187    1251  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
 20940         2835        828    2054  AKAMAI-ASN1, US
 12479         2538       1193     511  UNI2-AS, ES
  8551         2073        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2058       1862     704  ROSTELECOM-AS, RU
 34984         1995        332     474  TELLCOM-AS, TR
  9121         1972       1692      19  TTNET, TR
 13188         1606        100      46  TRIOLAN, UA
  6849         1241        355      21  UKRTELNET, UA
  8402         1237        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         4159       3388     585  Uninet S.A. de C.V., MX
 10620         3594        541     252  Telmex Colombia S.A., CO
 11830         2642        370      66  Instituto Costarricense de Electricidad
  6503         1629        437      53  Axtel, S.A.B. de C.V., MX
  7303         1507       1026     191  Telecom Argentina S.A., AR
  3816         1018        511     116  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573         1018       2243     186  CLARO S.A., BR
  6147         1002        377      27  Telefonica del Peru S.A.A., PE
 11172          921        126      86  Alestra, S. de R.L. de C.V., MX
 18881          906       1069      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         1177        398      49  LINKdotNET-AS, EG
 37611          802         91       8  Afrihost, ZA
 36903          739        371     135  MT-MPLS, MA
 36992          678       1380      37  ETISALAT-MISR, EG
  8452          612       1730      18  TE-AS TE-AS, EG
 24835          517        850      15  RAYA-AS, EG
 29571          464         68      12  ORANGE-COTE-IVOIRE, CI
 37492          451        368      78  ORANGE-, TN
 15399          362         35       7  WANANCHI-, KE
 37342          358         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         5436       4195      92  ERX-CERNET-BKB China Education and Rese
  8151         4159       3388     585  Uninet S.A. de C.V., MX
  7545         3778        407     412  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3594        541     252  Telmex Colombia S.A., CO
 39891         3520        187      21  ALJAWWALSTC-AS, SA
  6327         3391       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3272       2987     147  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  4766         2869      11132     770  KIXS-AS-KR Korea Telecom, KR
 20940         2835        828    2054  AKAMAI-ASN1, US
  9829         2801       1499     540  BSNL-NIB National Internet Backbone, IN

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

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

  ASN   No of nets  Net Savings  Description
  8151       4159         3574   Uninet S.A. de C.V., MX
 39891       3520         3499   ALJAWWALSTC-AS, SA
  7545       3778         3366   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3594         3342   Telmex Colombia S.A., CO
  6327       3391         3305   SHAW - Shaw Communications Inc., CA
 22773       3272         3125   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 17974       2711         2635   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9394       2629         2601   CTTNET China TieTong Telecommunications Corpora
 11830       2642         2576   Instituto Costarricense de Electricidad y Telec
  7552       2635         2575   VIETEL-AS-AP Viettel Group, 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
  65249   PRIVATE      5.42.234.0/23        35753       ITC ITC AS number, SA
  65249   PRIVATE      5.42.234.0/24        35753       ITC ITC AS number, SA
  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

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

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       /9:12      /10:37      /11:100     /12:290     
/13:563     /14:1093    /15:1897    /16:13322   /17:7772    /18:13608   
/19:25217   /20:38997   /21:45069   /22:84323   /23:68271   /24:381816  
/25:840     /26:603     /27:656     /28:36      /29:20      /30:18      
/31:4       /32:58      

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

   ASN   No of nets  Total ann.  Description
  6327     3182          3391    SHAW - Shaw Communications Inc., CA
 39891     2946          3520    ALJAWWALSTC-AS, SA
 22773     2532          3272    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2060          2166    MEGAPATH5-US - MegaPath Corporation, US
 11830     1988          2642    Instituto Costarricense de Electricidad y Telec
 30036     1675          1919    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1589          3594    Telmex Colombia S.A., CO
  8551     1536          2073    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11492     1514          1732    CABLEONE - CABLE ONE, INC., US
  9121     1457          1972    TTNET, TR

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

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

   1:1535      2:843       4:18        5:2650      6:59        8:1102   
   9:1        12:1849     13:203      14:1754     15:26       16:3      
  17:182      18:67       20:49       21:3        23:2540     24:2065   
  25:2        27:2354     31:1944     32:88       35:24       36:491    
  37:2609     38:1463     39:245      40:101      41:2986     42:453    
  43:1959     44:96       45:3706     46:2988     47:200      49:1380   
  50:1043     51:47       52:957      54:351      55:6        56:7      
  57:42       58:1565     59:1037     60:388      61:2061     62:1794   
  63:1810     64:4720     65:2228     66:4519     67:2342     68:1174   
  69:3196     70:1134     71:560      72:2092     74:2668     75:398    
  76:424      77:1553     78:1669     79:1821     80:1472     81:1410   
  82:1077     83:786      84:1007     85:2007     86:559      87:1247   
  88:917      89:2316     90:183      91:6271     92:1168     93:2382   
  94:2408     95:2730     96:644      97:359      98:929      99:120    
 100:79      101:1515    102:26      103:17197   104:3275    105:216    
 106:533     107:1801    108:707     109:2695    110:1580    111:1779   
 112:1314    113:1350    114:1117    115:1634    116:1641    117:1710   
 118:2024    119:1674    120:964     121:1063    122:2461    123:1797   
 124:1456    125:1849    128:988     129:603     130:442     131:1626   
 132:610     133:194     134:1001    135:226     136:438     137:474    
 138:1961    139:563     140:397     141:681     142:776     143:974    
 144:792     145:453     146:1162    147:742     148:1535    149:700    
 150:735     151:988     152:757     153:309     154:1015    155:754    
 156:833     157:772     158:619     159:1612    160:865     161:739    
 162:2543    163:526     164:1017    165:1368    166:397     167:1387   
 168:3102    169:801     170:3647    171:413     172:1032    173:1916   
 174:876     175:760     176:1919    177:3915    178:2416    179:1185   
 180:2238    181:2131    182:2462    183:1122    184:907     185:12537  
 186:3491    187:2321    188:2667    189:1951    190:8071    191:1349   
 192:9779    193:5885    194:4775    195:3986    196:2367    197:1426   
 198:5529    199:5898    200:7301    201:4889    202:10365   203:10027  
 204:4537    205:2862    206:3055    207:3114    208:3994    209:3934   
 210:4001    211:2129    212:2972    213:2623    214:895     215:61     
 216:5857    217:2124    218:898     219:621     220:1725    221:996    
 222:1054    223:1241   

End of report