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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
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG 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 27 Oct, 2018

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

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

BGP routing table entries examined:                              722250
    Prefixes after maximum aggregation (per Origin AS):          278090
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      346952
Total ASes present in the Internet Routing Table:                 62257
    Prefixes per ASN:                                             11.60
Origin-only ASes present in the Internet Routing Table:           53743
Origin ASes announcing only one prefix:                           23346
Transit ASes present in the Internet Routing Table:                8514
Transit-only ASes present in the Internet Routing Table:            263
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      44
    Max AS path prepend of ASN ( 19955)                              41
Prefixes from unregistered ASNs in the Routing Table:                40
    Number of instances of unregistered ASNs:                        40
Number of 32-bit ASNs allocated by the RIRs:                      24617
Number of 32-bit ASNs visible in the Routing Table:               19895
Prefixes from 32-bit ASNs in the Routing Table:                   84143
Number of bogon 32-bit ASNs visible in the Routing Table:           230
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            261
Number of addresses announced to Internet:                   2860457139
    Equivalent to 170 /8s, 127 /16s and 28 /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:               99.1
Total number of prefixes smaller than registry allocations:      241318

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

Prefixes being announced by APNIC Region ASes:                   196372
    Total APNIC prefixes after maximum aggregation:               56014
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          194079
    Unique aggregates announced from the APNIC address blocks:    80222
APNIC Region origin ASes present in the Internet Routing Table:    9197
    APNIC Prefixes per ASN:                                       21.10
APNIC Region origin ASes announcing only one prefix:               2576
APNIC Region transit ASes present in the Internet Routing Table:   1369
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   4168
Number of APNIC addresses announced to Internet:              767928322
    Equivalent to 45 /8s, 197 /16s and 168 /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, 131072-139577
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:                    214886
    Total ARIN prefixes after maximum aggregation:               102025
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           214232
    Unique aggregates announced from the ARIN address blocks:    102051
ARIN Region origin ASes present in the Internet Routing Table:    18279
    ARIN Prefixes per ASN:                                        11.72
ARIN Region origin ASes announcing only one prefix:                6780
ARIN Region transit ASes present in the Internet Routing Table:    1819
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          44
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2480
Number of ARIN addresses announced to Internet:              1102718992
    Equivalent to 65 /8s, 186 /16s and 40 /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, 393216-399260
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:                    197293
    Total RIPE prefixes after maximum aggregation:                94314
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           193756
    Unique aggregates announced from the RIPE address blocks:    114550
RIPE Region origin ASes present in the Internet Routing Table:    25591
    RIPE Prefixes per ASN:                                         7.57
RIPE Region origin ASes announcing only one prefix:               11485
RIPE Region transit ASes present in the Internet Routing Table:    3536
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7526
Number of RIPE addresses announced to Internet:               714749056
    Equivalent to 42 /8s, 154 /16s and 52 /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
                       196608-210331
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:                   93819
    Total LACNIC prefixes after maximum aggregation:              21500
    LACNIC Deaggregation factor:                                   4.36
Prefixes being announced from the LACNIC address blocks:          95259
    Unique aggregates announced from the LACNIC address blocks:   41519
LACNIC Region origin ASes present in the Internet Routing Table:   7692
    LACNIC Prefixes per ASN:                                      12.38
LACNIC Region origin ASes announcing only one prefix:              2103
LACNIC Region transit ASes present in the Internet Routing Table:  1448
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  5237
Number of LACNIC addresses announced to Internet:             172397600
    Equivalent to 10 /8s, 70 /16s and 148 /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:                  19839
    Total AfriNIC prefixes after maximum aggregation:              4203
    AfriNIC Deaggregation factor:                                  4.72
Prefixes being announced from the AfriNIC address blocks:         24663
    Unique aggregates announced from the AfriNIC address blocks:   8370
AfriNIC Region origin ASes present in the Internet Routing Table:  1210
    AfriNIC Prefixes per ASN:                                     20.38
AfriNIC Region origin ASes announcing only one prefix:              402
AfriNIC Region transit ASes present in the Internet Routing Table:  241
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  484
Number of AfriNIC addresses announced to Internet:            102236160
    Equivalent to 6 /8s, 24 /16s and 0 /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         4634       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4522        509     503  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         2950       1153      93  VIETEL-AS-AP Viettel Group, VN
 45899         2947       1685     110  VNPT-AS-VN VNPT Corp, VN
  4766         2807      11130     763  KIXS-AS-KR Korea Telecom, KR
  9829         2746       1496     551  BSNL-NIB National Internet Backbone, IN
  9394         2426       4907      30  CTTNET China TieTong Telecommunications
  9808         2250       8699      26  CMNET-GD Guangdong Mobile Communication
 17974         2246        968      51  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4755         2130        421     171  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         3455       1324      84  SHAW - Shaw Communications Inc., CA
 11492         3453        223     640  CABLEONE - CABLE ONE, INC., US
 22773         3273       2972     164  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2354       5006     851  AMAZON-02 - Amazon.com, Inc., US
 18566         2154        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2145       2737     540  CHARTER-NET-HKY-NC - Charter Communicat
 16625         2099       1128    1565  AKAMAI-AS - Akamai Technologies, Inc., 
  5650         2084       3074    1461  FRONTIER-FRTR - Frontier Communications
 30036         2052        346     152  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         2041       5080     596  CENTURYLINK-US-LEGACY-QWEST - CenturyLi

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
 12479         4997       1616     132  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3037        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2559        573    1910  AKAMAI-ASN1, US
 12389         2144       2125     679  ROSTELECOM-AS, RU
 34984         2021        335     532  TELLCOM-AS, TR
  9121         1871       1691      17  TTNET, TR
 13188         1604        100      45  TRIOLAN, UA
  8402         1285        544      14  CORBINA-AS OJSC "Vimpelcom", RU
  6849         1241        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         5434       3307     599  Uninet S.A. de C.V., MX
 10620         3196        489     810  Telmex Colombia S.A., CO
 11830         2665        370      80  Instituto Costarricense de Electricidad
  6503         1660        449      55  Axtel, S.A.B. de C.V., MX
  7303         1436        959     209  Telecom Argentina S.A., AR
 28573         1125       2237     181  CLARO S.A., BR
  6147         1090        377      29  Telefonica del Peru S.A.A., PE
  3816         1027        512     114  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          936        145      71  Alestra, S. de R.L. de C.V., MX
 13999          921        537     258  Mega Cable, S.A. de C.V., MX

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         1170        396      48  LINKdotNET-AS, EG
 37611          907        107       9  Afrihost, ZA
 36903          794        399     146  MT-MPLS, MA
 36992          776       1411      41  ETISALAT-MISR, EG
 24835          676        758      20  RAYA-AS, EG
  8452          636       1728      15  TE-AS TE-AS, EG
 37492          467        470      57  ORANGE-, TN
 29571          461         70      12  ORANGE-COTE-IVOIRE, CI
 23889          396        231      15  MauritiusTelecom, MU
 37342          394         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
  8151         5434       3307     599  Uninet S.A. de C.V., MX
 12479         4997       1616     132  UNI2-AS, ES
  4538         4634       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4522        509     503  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  6327         3455       1324      84  SHAW - Shaw Communications Inc., CA
 11492         3453        223     640  CABLEONE - CABLE ONE, INC., US
 22773         3273       2972     164  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3196        489     810  Telmex Colombia S.A., CO
  8551         3037        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne

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

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

  ASN   No of nets  Net Savings  Description
 12479       4997         4865   UNI2-AS, ES
  4538       4634         4560   ERX-CERNET-BKB China Education and Research Net
  7545       4522         4019   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3455         3371   SHAW - Shaw Communications Inc., CA
 22773       3273         3109   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551       3037         2994   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  7552       2950         2857   VIETEL-AS-AP Viettel Group, VN
 45899       2947         2837   VNPT-AS-VN VNPT Corp, VN
 11492       3453         2813   CABLEONE - CABLE ONE, INC., US

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

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

Bad AS    Designation  Network              Transit AS  Description
 230105   UNALLOCATED  38.110.79.0/24       23015       CMC180-TOR-AS - Cambridge Merc
  64500   DOCUMENT     45.43.56.0/24        45474       NEXUSGUARD-AS-AP Suite 2101~02
 266842   UNALLOCATED  45.238.156.0/22     265680       HNTELCO S.A, HN
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64121   UNALLOCATED  98.159.9.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64121   UNALLOCATED  98.159.12.0/24       19555       KMI-NETWORK - Kinder Morgan, I
  64140   UNALLOCATED  98.159.14.0/24       64121       UNKNOWN
  65551   DOCUMENT     103.112.64.0/23      58889       ZOL-BD Zx Online Ltd, BD
  65001   PRIVATE      109.161.56.0/24      13118       ASN-YARTELECOM PJSC Rostelecom
  92937   UNALLOCATED  110.49.72.0/24       45458       SBN-AWN-AS-02-AP SBN-ISP/AWN-I

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

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

Prefix             Origin AS  Description
198.18.1.19/32        7497     CSTNET-AS-AP Computer Network Information Cente

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

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

Network            Origin AS  Description
27.100.7.0/24        56096    UNKNOWN
41.76.136.0/22       37500    -Reserved AS-, ZZ
41.76.140.0/22       37500    -Reserved AS-, ZZ
41.78.92.0/22        14988    BTC-GATE1, BW
41.78.180.0/23       37265    -Reserved AS-, ZZ
45.121.32.0/22      134356    UNKNOWN
45.124.164.0/22      38803    GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
45.252.236.0/22      38803    GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
64.28.160.0/20       20475    AS20475 - Global Capacity, LLC, US
64.29.240.0/20       27279    -Reserved AS-, ZZ

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      /10:36      /11:98      /12:289     
/13:567     /14:1122    /15:1888    /16:13319   /17:7885    /18:13837   
/19:25410   /20:39613   /21:46014   /22:89730   /23:73619   /24:406579  
/25:821     /26:624     /27:639     /28:35      /29:21      /30:22      
/31:4       /32:53      

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

   ASN   No of nets  Total ann.  Description
 12479     3811          4997    UNI2-AS, ES
  6327     3240          3455    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2740          3453    CABLEONE - CABLE ONE, INC., US
 22773     2529          3273    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2493          3037    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2048          2154    MEGAPATH5-US - MegaPath Corporation, US
 11830     2012          2665    Instituto Costarricense de Electricidad y Telec
 30036     1801          2052    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
  5650     1762          2084    FRONTIER-FRTR - Frontier Communications of Amer

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

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

   1:1615      2:893       4:18        5:2670      6:43        7:1      
   8:1142     12:1873     13:231      14:1858     15:33       16:3      
  17:192      18:58       20:50       23:2471     24:2435     25:2      
  27:2512     31:2025     32:86       35:30       36:553      37:2927   
  38:1560     39:262      40:122      41:3211     42:717      43:1979   
  44:125      45:5844     46:3100     47:228      49:1351     50:1069   
  51:319      52:1098     54:361      55:1        56:12       57:38     
  58:1623     59:991      60:418      61:2088     62:1891     63:1795   
  64:5062     65:2198     66:4830     67:2667     68:1155     69:3341   
  70:1168     71:591      72:2239     74:2728     75:415      76:470    
  77:1662     78:1742     79:2217     80:1566     81:1414     82:1053   
  83:789      84:1043     85:2074     86:561      87:1463     88:948    
  89:2379     90:208      91:6450     92:1275     93:2394     94:2447   
  95:3020     96:913      97:351      98:945      99:147     100:86     
 101:1160    102:263     103:18982   104:3586    105:236     106:898    
 107:1835    108:709     109:3374    110:1667    111:1814    112:1345   
 113:1312    114:1142    115:1689    116:1647    117:1796    118:2194   
 119:1673    120:1082    121:1038    122:2320    123:1656    124:1451   
 125:1940    128:1209    129:672     130:502     131:1610    132:724    
 133:191     134:1035    135:237     136:526     137:662     138:1976   
 139:709     140:553     141:753     142:802     143:1021    144:842    
 145:496     146:1238    147:773     148:1644    149:781     150:762    
 151:996     152:875     153:325     154:1895    155:950     156:1557   
 157:820     158:652     159:1856    160:1474    161:871     162:2639   
 163:740     164:1096    165:1570    166:454     167:1344    168:3150   
 169:859     170:3989    171:496     172:1054    173:2083    174:993    
 175:825     176:2121    177:4019    178:2519    179:1279    180:2125   
 181:2448    182:2578    183:1305    184:1125    185:14273   186:3613   
 187:2451    188:2923    189:1997    190:8344    191:1388    192:9887   
 193:6337    194:5169    195:4041    196:2820    197:1620    198:5675   
 199:5964    200:7446    201:5011    202:10247   203:10147   204:4615   
 205:3009    206:3224    207:3203    208:3945    209:4149    210:3837   
 211:1985    212:2997    213:2810    214:1050    215:54      216:6001   
 217:2186    218:863     219:577     220:1818    221:994     222:971    
 223:1394   

End of report