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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 10 Aug, 2019

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

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

BGP routing table entries examined:                              767230
    Prefixes after maximum aggregation (per Origin AS):          295222
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      369331
Total ASes present in the Internet Routing Table:                 65109
    Prefixes per ASN:                                             11.78
Origin-only ASes present in the Internet Routing Table:           55990
Origin ASes announcing only one prefix:                           23960
Transit ASes present in the Internet Routing Table:                9119
Transit-only ASes present in the Internet Routing Table:            277
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      42
    Max AS path prepend of ASN ( 27978)                              31
Prefixes from unregistered ASNs in the Routing Table:                28
    Number of instances of unregistered ASNs:                        28
Number of 32-bit ASNs allocated by the RIRs:                      28163
Number of 32-bit ASNs visible in the Routing Table:               22999
Prefixes from 32-bit ASNs in the Routing Table:                  104209
Number of bogon 32-bit ASNs visible in the Routing Table:            15
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            319
Number of addresses announced to Internet:                   2842564736
    Equivalent to 169 /8s, 110 /16s and 24 /24s
    Percentage of available address space announced:               76.8
    Percentage of allocated address space announced:               76.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.3
Total number of prefixes smaller than registry allocations:      256682

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

Prefixes being announced by APNIC Region ASes:                   206978
    Total APNIC prefixes after maximum aggregation:               61718
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          202028
    Unique aggregates announced from the APNIC address blocks:    84218
APNIC Region origin ASes present in the Internet Routing Table:    9953
    APNIC Prefixes per ASN:                                       20.30
APNIC Region origin ASes announcing only one prefix:               2753
APNIC Region transit ASes present in the Internet Routing Table:   1486
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   4951
Number of APNIC addresses announced to Internet:              771164416
    Equivalent to 45 /8s, 247 /16s and 9 /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, 131072-141625
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:                    226878
    Total ARIN prefixes after maximum aggregation:               106045
    ARIN Deaggregation factor:                                     2.14
Prefixes being announced from the ARIN address blocks:           225722
    Unique aggregates announced from the ARIN address blocks:    107208
ARIN Region origin ASes present in the Internet Routing Table:    18543
    ARIN Prefixes per ASN:                                        12.17
ARIN Region origin ASes announcing only one prefix:                6851
ARIN Region transit ASes present in the Internet Routing Table:    1911
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          42
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2846
Number of ARIN addresses announced to Internet:              1070644096
    Equivalent to 63 /8s, 208 /16s and 187 /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,  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:                    213917
    Total RIPE prefixes after maximum aggregation:               100258
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:           210214
    Unique aggregates announced from the RIPE address blocks:    123893
RIPE Region origin ASes present in the Internet Routing Table:    26313
    RIPE Prefixes per ASN:                                         7.99
RIPE Region origin ASes announcing only one prefix:               11623
RIPE Region transit ASes present in the Internet Routing Table:    3738
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          35
Number of RIPE region 32-bit ASNs visible in the Routing Table:    8355
Number of RIPE addresses announced to Internet:               721023744
    Equivalent to 42 /8s, 249 /16s and 243 /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:                   98588
    Total LACNIC prefixes after maximum aggregation:              22831
    LACNIC Deaggregation factor:                                   4.32
Prefixes being announced from the LACNIC address blocks:          99842
    Unique aggregates announced from the LACNIC address blocks:   44130
LACNIC Region origin ASes present in the Internet Routing Table:   8700
    LACNIC Prefixes per ASN:                                      11.48
LACNIC Region origin ASes announcing only one prefix:              2277
LACNIC Region transit ASes present in the Internet Routing Table:  1608
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        39
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  6259
Number of LACNIC addresses announced to Internet:             173506048
    Equivalent to 10 /8s, 87 /16s and 126 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-270748 + 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:                  20840
    Total AfriNIC prefixes after maximum aggregation:              4347
    AfriNIC Deaggregation factor:                                  4.79
Prefixes being announced from the AfriNIC address blocks:         29105
    Unique aggregates announced from the AfriNIC address blocks:   9593
AfriNIC Region origin ASes present in the Internet Routing Table:  1306
    AfriNIC Prefixes per ASN:                                     22.29
AfriNIC Region origin ASes announcing only one prefix:              456
AfriNIC Region transit ASes present in the Internet Routing Table:  251
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  588
Number of AfriNIC addresses announced to Internet:            105970944
    Equivalent to 6 /8s, 80 /16s and 253 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 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
  7545         4876        595     572  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         3230       1459      31  VIETEL-AS-AP Viettel Group, VN
 45899         3057       1766     113  VNPT-AS-VN VNPT Corp, VN
  9829         2732       1494     547  BSNL-NIB National Internet Backbone, IN
  9808         2730       9043      63  CMNET-GD Guangdong Mobile Communication
  4766         2523      11118     756  KIXS-AS-KR Korea Telecom, KR
  7713         2226        670     591  TELKOMNET-AS-AP PT Telekomunikasi Indon
  4755         2156        442     192  TATACOMM-AS TATA Communications formerl
  9498         2153        431     210  BBIL-AP BHARTI Airtel Ltd., IN
  9394         2066       4898      24  CTTNET China TieTong Telecommunications

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
  7155         4064        280      25  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 11492         3676        240     621  CABLEONE - CABLE ONE, INC., US
  6327         3533       1324      90  SHAW - Shaw Communications Inc., CA
 22773         3451       2974     158  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         3069       6392    1455  AMAZON-02 - Amazon.com, Inc., US
 16625         2678       1406    1939  AKAMAI-AS - Akamai Technologies, Inc., 
 30036         2171        348     213  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 20115         2150       2756     532  CHARTER-20115 - Charter Communications,
 18566         2093        405     107  MEGAPATH5-US - MegaPath Corporation, US
  5650         2073       3073    1451  FRONTIER-FRTR - Frontier Communications

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         5489       1629     141  UNI2-AS, ES
 39891         3780        219      19  ALJAWWALSTC-AS, SA
  8551         3326        379      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2726        505    1929  AKAMAI-ASN1, US
 31334         2612        484      13  KABELDEUTSCHLAND-AS, DE
 12389         2363       2230     662  ROSTELECOM-AS, RU
 34984         2116        346     545  TELLCOM-AS, TR
  9009         1665        180     910  M247, GB
  9121         1605       1692      18  TTNET, TR
 13188         1604        100      47  TRIOLAN, 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         6228       3370     597  Uninet S.A. de C.V., MX
 10620         3384        533     455  Telmex Colombia S.A., CO
 11830         2691        370      54  Instituto Costarricense de Electricidad
  6503         1612        379     417  Axtel, S.A.B. de C.V., MX
  7303         1477       1026     276  Telecom Argentina S.A., AR
 28573         1178       2238     208  CLARO S.A., BR
  6147         1092        377      31  Telefonica del Peru S.A.A., PE
  3816         1046        526     119  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 13999          988        478     246  Mega Cable, S.A. de C.V., MX
 11172          936        111      60  Alestra, S. de R.L. 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         1114        393      21  LINKdotNET-AS, EG
 36992          923       1535      76  ETISALAT-MISR, EG
 24835          888        634      22  RAYA-AS, EG
 36903          843        424     112  MT-MPLS, MA
  8452          669       1859      20  TE-AS TE-AS, EG
 29571          523         68      11  ORANGE-COTE-IVOIRE, CI
 37492          482        470      57  ORANGE-, TN
 15399          414         45      11  WANANCHI-, KE
 37342          414         32       1  MOVITEL, MZ
 15706          361         32       6  Sudatel, SD

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         6228       3370     597  Uninet S.A. de C.V., MX
 12479         5489       1629     141  UNI2-AS, ES
  7545         4876        595     572  TPG-INTERNET-AP TPG Telecom Limited, AU
  7155         4064        280      25  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891         3780        219      19  ALJAWWALSTC-AS, SA
 11492         3676        240     621  CABLEONE - CABLE ONE, INC., US
  6327         3533       1324      90  SHAW - Shaw Communications Inc., CA
 22773         3451       2974     158  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3384        533     455  Telmex Colombia S.A., CO
  8551         3326        379      46  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       5489         5348   UNI2-AS, ES
  7545       4876         4304   TPG-INTERNET-AP TPG Telecom Limited, AU
  7155       4064         4039   VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891       3780         3761   ALJAWWALSTC-AS, SA
  6327       3533         3443   SHAW - Shaw Communications Inc., CA
 22773       3451         3293   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551       3326         3280   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  7552       3230         3199   VIETEL-AS-AP Viettel Group, VN
 11492       3676         3055   CABLEONE - CABLE ONE, INC., US
 45899       3057         2944   VNPT-AS-VN VNPT Corp, VN

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

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

Bad AS    Designation  Network              Transit AS  Description
 230105   UNALLOCATED  38.110.79.0/24       23015       CMC180-TOR-AS - Cambridge Merc
 260984   UNALLOCATED  45.175.186.0/23      16735       ALGAR TELECOM S/A, BR
 266842   UNALLOCATED  45.238.156.0/22     265680       HNTELCO S.A, HN
  64511   DOCUMENT     66.154.208.0/21      32522       MULTNOMAH-ESD - Multnomah Educ
  64511   DOCUMENT     66.154.216.0/23      32522       MULTNOMAH-ESD - Multnomah Educ
  64511   DOCUMENT     66.154.218.0/24      32522       MULTNOMAH-ESD - Multnomah Educ
  65550   DOCUMENT     81.8.34.0/24         15924       BORUSANTELEKOM-AS, TR
  65550   DOCUMENT     81.8.35.0/24         15924       BORUSANTELEKOM-AS, TR
  66088   UNALLOCATED  103.136.230.0/24    138903       KHILGAON-AS-AP KHILGAON DOT NE
  65549   DOCUMENT     117.239.163.0/24     65544       UNKNOWN

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

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

Network            Origin AS  Description
27.100.7.0/24        56096    UNKNOWN
27.126.156.0/22      55827    UNKNOWN
27.126.156.0/23      55827    UNKNOWN
27.126.158.0/23      55827    UNKNOWN
36.255.24.0/24       40676    AS40676 - Psychz Networks, US
36.255.25.0/24       40676    AS40676 - Psychz Networks, US
36.255.26.0/24       40676    AS40676 - Psychz Networks, US
36.255.27.0/24       40676    AS40676 - Psychz Networks, US
41.76.136.0/22       37500    -Reserved AS-, ZZ
41.76.140.0/22       37500    -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        /8:10       /9:11      /10:38      /11:102     /12:293     
/13:571     /14:1131    /15:1896    /16:13262   /17:8045    /18:13922   
/19:25818   /20:40411   /21:47312   /22:95599   /23:77522   /24:440215  
/25:1072    /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN   No of nets  Total ann.  Description
 12479     4445          5489    UNI2-AS, ES
  6327     3322          3533    SHAW - Shaw Communications Inc., CA
  7155     3156          4064    VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891     2946          3780    ALJAWWALSTC-AS, SA
 11492     2881          3676    CABLEONE - CABLE ONE, INC., US
  8551     2779          3326    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773     2680          3451    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 31334     2501          2612    KABELDEUTSCHLAND-AS, DE
 11830     2039          2691    Instituto Costarricense de Electricidad y Telec
 18566     1988          2093    MEGAPATH5-US - MegaPath Corporation, US

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

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

   1:1729      2:1068      3:6         4:20        5:3066      6:49     
   7:1         8:1343      9:1        12:1793     13:391      14:2081   
  15:41       16:7        17:265      18:80       20:57       23:2866   
  24:2586     25:4        27:2449     31:2703     32:106      35:38     
  36:920      37:3140     38:1798     39:294      40:107      41:3313   
  42:836      43:2072     44:169      45:9499     46:3401     47:264    
  49:1435     50:1096     51:340      52:1014     54:273      55:641    
  56:6        57:47       58:1889     59:1107     60:564      61:2186   
  62:1970     63:1848     64:5008     65:2236     66:4786     67:2731   
  68:1182     69:3575     70:1382     71:661      72:2677     74:2695   
  75:1294     76:572      77:2541     78:1855     79:2373     80:1822   
  81:1490     82:1148     83:943      84:1155     85:2315     86:550    
  87:1533     88:1055     89:2563     90:223      91:6604     92:1443   
  93:2482     94:2504     95:3633     96:946      97:341      98:944    
  99:815     100:88      101:1188    102:606     103:21861   104:3630   
 105:282     106:793     107:1783    108:700     109:3784    110:1726   
 111:2007    112:1541    113:1404    114:1278    115:1751    116:1759   
 117:1967    118:2217    119:1640    120:1060    121:1064    122:2293   
 123:1805    124:1513    125:2033    128:1383    129:855     130:554    
 131:1828    132:771     133:223     134:1089    135:258     136:584    
 137:799     138:2080    139:919     140:616     141:894     142:784    
 143:1088    144:887     145:276     146:1370    147:838     148:1762   
 149:1013    150:822     151:1019    152:1110    153:345     154:4368   
 155:886     156:1995    157:1051    158:678     159:1951    160:1605   
 161:955     162:2983    163:834     164:1239    165:1177    166:516    
 167:1407    168:3457    169:482     170:4207    171:614     172:1702   
 173:2218    174:1039    175:993     176:2458    177:4009    178:2740   
 179:1391    180:2151    181:2368    182:2757    183:1113    184:2285   
 185:15445   186:3695    187:2485    188:3501    189:2016    190:8228   
 191:1463    192:10101   193:6752    194:5501    195:4181    196:3081   
 197:1745    198:5943    199:5975    200:7160    201:5121    202:10380  
 203:10247   204:4559    205:3074    206:3232    207:3247    208:3948   
 209:4283    210:3942    211:2032    212:3245    213:2952    214:1127   
 215:54      216:5906    217:2241    218:875     219:607     220:1923   
 221:969     222:980     223:1374   

End of report