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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 31 Aug, 2019

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

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

BGP routing table entries examined:                              768323
    Prefixes after maximum aggregation (per Origin AS):          295832
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      370810
Total ASes present in the Internet Routing Table:                 65326
    Prefixes per ASN:                                             11.76
Origin-only ASes present in the Internet Routing Table:           56226
Origin ASes announcing only one prefix:                           24072
Transit ASes present in the Internet Routing Table:                9100
Transit-only ASes present in the Internet Routing Table:            269
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      45
    Max AS path prepend of ASN ( 27978)                              31
Prefixes from unregistered ASNs in the Routing Table:                27
    Number of instances of unregistered ASNs:                        27
Number of 32-bit ASNs allocated by the RIRs:                      28444
Number of 32-bit ASNs visible in the Routing Table:               23268
Prefixes from 32-bit ASNs in the Routing Table:                  105688
Number of bogon 32-bit ASNs visible in the Routing Table:            14
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            288
Number of addresses announced to Internet:                   2834690304
    Equivalent to 168 /8s, 245 /16s and 241 /24s
    Percentage of available address space announced:               76.6
    Percentage of allocated address space announced:               76.6
    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:      257215

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

Prefixes being announced by APNIC Region ASes:                   206838
    Total APNIC prefixes after maximum aggregation:               61926
    APNIC Deaggregation factor:                                    3.34
Prefixes being announced from the APNIC address blocks:          201585
    Unique aggregates announced from the APNIC address blocks:    84621
APNIC Region origin ASes present in the Internet Routing Table:   10000
    APNIC Prefixes per ASN:                                       20.16
APNIC Region origin ASes announcing only one prefix:               2776
APNIC Region transit ASes present in the Internet Routing Table:   1483
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5015
Number of APNIC addresses announced to Internet:              766769408
    Equivalent to 45 /8s, 179 /16s and 249 /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:                    226731
    Total ARIN prefixes after maximum aggregation:               106033
    ARIN Deaggregation factor:                                     2.14
Prefixes being announced from the ARIN address blocks:           225420
    Unique aggregates announced from the ARIN address blocks:    107479
ARIN Region origin ASes present in the Internet Routing Table:    18534
    ARIN Prefixes per ASN:                                        12.16
ARIN Region origin ASes announcing only one prefix:                6858
ARIN Region transit ASes present in the Internet Routing Table:    1891
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          42
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2875
Number of ARIN addresses announced to Internet:              1067004160
    Equivalent to 63 /8s, 153 /16s and 49 /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:                    214997
    Total RIPE prefixes after maximum aggregation:               100530
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           211061
    Unique aggregates announced from the RIPE address blocks:    124404
RIPE Region origin ASes present in the Internet Routing Table:    26388
    RIPE Prefixes per ASN:                                         8.00
RIPE Region origin ASes announcing only one prefix:               11647
RIPE Region transit ASes present in the Internet Routing Table:    3733
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:    8422
Number of RIPE addresses announced to Internet:               721204480
    Equivalent to 42 /8s, 252 /16s and 181 /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:                   98760
    Total LACNIC prefixes after maximum aggregation:              22976
    LACNIC Deaggregation factor:                                   4.30
Prefixes being announced from the LACNIC address blocks:         100007
    Unique aggregates announced from the LACNIC address blocks:   44406
LACNIC Region origin ASes present in the Internet Routing Table:   8802
    LACNIC Prefixes per ASN:                                      11.36
LACNIC Region origin ASes announcing only one prefix:              2327
LACNIC Region transit ASes present in the Internet Routing Table:  1620
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        45
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  6356
Number of LACNIC addresses announced to Internet:             173565184
    Equivalent to 10 /8s, 88 /16s and 101 /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:                  20969
    Total AfriNIC prefixes after maximum aggregation:              4345
    AfriNIC Deaggregation factor:                                  4.83
Prefixes being announced from the AfriNIC address blocks:         29962
    Unique aggregates announced from the AfriNIC address blocks:   9637
AfriNIC Region origin ASes present in the Internet Routing Table:  1317
    AfriNIC Prefixes per ASN:                                     22.75
AfriNIC Region origin ASes announcing only one prefix:              464
AfriNIC Region transit ASes present in the Internet Routing Table:  257
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  600
Number of AfriNIC addresses announced to Internet:            105899264
    Equivalent to 6 /8s, 79 /16s and 229 /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         4947        599     579  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         3248       1459      32  VIETEL-AS-AP Viettel Group, VN
 45899         3065       1768     114  VNPT-AS-VN VNPT Corp, VN
  9829         2736       1494     547  BSNL-NIB National Internet Backbone, IN
  9808         2694       9043      63  CMNET-GD Guangdong Mobile Communication
  4766         2546      11119     763  KIXS-AS-KR Korea Telecom, KR
  7713         2240        680     596  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498         2163        434     209  BBIL-AP BHARTI Airtel Ltd., IN
  4755         2153        442     192  TATACOMM-AS TATA Communications formerl
  9394         2076       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         4065        280      25  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 11492         3652        238     680  CABLEONE - CABLE ONE, INC., US
  6327         3477       1324      91  SHAW - Shaw Communications Inc., CA
 22773         3454       2973     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         3078       6452    1466  AMAZON-02 - Amazon.com, Inc., US
 16625         2736       1438    1973  AKAMAI-AS - Akamai Technologies, Inc., 
 30036         2187        349     175  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 20115         2145       2762     525  CHARTER-20115 - Charter Communications,
 18566         2086        405     105  MEGAPATH5-US - MegaPath Corporation, US
  5650         2074       3073    1453  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         5515       1613     143  UNI2-AS, ES
 39891         3780        219      19  ALJAWWALSTC-AS, SA
  8551         3311        379      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2726        497    1927  AKAMAI-ASN1, US
 31334         2602        484      13  KABELDEUTSCHLAND-AS, DE
 12389         2392       2233     691  ROSTELECOM-AS, RU
 34984         2127        346     541  TELLCOM-AS, TR
  9121         2019       1692      18  TTNET, TR
  9009         1736        187     936  M247, GB
 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         6254       3360     597  Uninet S.A. de C.V., MX
 10620         3365        534     450  Telmex Colombia S.A., CO
 11830         2692        370      54  Instituto Costarricense de Electricidad
  6503         1611        378     415  Axtel, S.A.B. de C.V., MX
  7303         1480       1024     274  Telecom Argentina S.A., AR
 28573         1164       2228     203  CLARO S.A., BR
  6147         1105        380      35  Telefonica del Peru S.A.A., PE
  3816         1051        534     121  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 13999         1000        482     248  Mega Cable, S.A. de C.V., MX
 11172          936        110      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         1120        393      23  LINKdotNET-AS, EG
 36992          956       1535      73  ETISALAT-MISR, EG
 24835          888        590      21  RAYA-AS, EG
 36903          843        424     112  MT-MPLS, MA
  8452          672       1859      20  TE-AS TE-AS, EG
 29571          527         68      11  ORANGE-COTE-IVOIRE, CI
 15399          414         45      11  WANANCHI-, KE
 37492          372        470      57  ORANGE-, TN
 37342          370         32       1  MOVITEL, MZ
 15706          362         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         6254       3360     597  Uninet S.A. de C.V., MX
 12479         5515       1613     143  UNI2-AS, ES
  7545         4947        599     579  TPG-INTERNET-AP TPG Telecom Limited, AU
  7155         4065        280      25  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891         3780        219      19  ALJAWWALSTC-AS, SA
 11492         3652        238     680  CABLEONE - CABLE ONE, INC., US
  6327         3477       1324      91  SHAW - Shaw Communications Inc., CA
 22773         3454       2973     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3365        534     450  Telmex Colombia S.A., CO
  8551         3311        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       5515         5372   UNI2-AS, ES
  7545       4947         4368   TPG-INTERNET-AP TPG Telecom Limited, AU
  7155       4065         4040   VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891       3780         3761   ALJAWWALSTC-AS, SA
  6327       3477         3386   SHAW - Shaw Communications Inc., CA
 22773       3454         3298   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551       3311         3265   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  7552       3248         3216   VIETEL-AS-AP Viettel Group, VN
 11492       3652         2972   CABLEONE - CABLE ONE, INC., US
 45899       3065         2951   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
  65549   DOCUMENT     117.239.163.0/24     65544       UNKNOWN
  64339   UNALLOCATED  143.0.108.0/22       18747       IFX18747 - IFX Corporation, US

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
41.76.136.0/22       37500    -Reserved AS-, ZZ
41.76.140.0/22       37500    -Reserved AS-, ZZ
41.78.180.0/23       37265    -Reserved AS-, ZZ
41.220.48.0/20       36900    -Reserved AS-, ZZ
41.242.92.0/24       37643    -Reserved AS-, ZZ
41.242.93.0/24       37643    -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      /10:37      /11:98      /12:288     
/13:573     /14:1142    /15:1915    /16:13259   /17:7983    /18:13735   
/19:25575   /20:40168   /21:47329   /22:95972   /23:77628   /24:441773  
/25:827     /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     4475          5515    UNI2-AS, ES
  6327     3265          3477    SHAW - Shaw Communications Inc., CA
  7155     3156          4065    VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891     2946          3780    ALJAWWALSTC-AS, SA
 11492     2865          3652    CABLEONE - CABLE ONE, INC., US
  8551     2764          3311    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773     2684          3454    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 31334     2490          2602    KABELDEUTSCHLAND-AS, DE
 11830     2040          2692    Instituto Costarricense de Electricidad y Telec
 18566     1981          2086    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)
----------------------------------------------

   1:1744      2:1092      3:6         4:22        5:3026      6:49     
   7:1         8:1359      9:1        12:1796     13:398      14:2112   
  15:42       16:7        17:269      18:81       20:56       23:2895   
  24:2589     25:2        27:2461     31:2711     32:106      35:37     
  36:906      37:3123     38:1808     39:302      40:121      41:3390   
  42:820      43:2071     44:173      45:10156    46:3359     47:271    
  49:1442     50:1103     51:341      52:1041     54:263      55:684    
  56:6        57:47       58:2054     59:1109     60:580      61:2181   
  62:1989     63:1848     64:5011     65:2234     66:4816     67:2738   
  68:1196     69:3573     70:1386     71:670      72:2666     74:2700   
  75:1291     76:596      77:2524     78:1963     79:2365     80:1816   
  81:1501     82:1137     83:961      84:1164     85:2356     86:562    
  87:1562     88:1060     89:2544     90:231      91:6597     92:1444   
  93:2485     94:2571     95:3639     96:954      97:340      98:951    
  99:829     100:88      101:944     102:639     103:21930   104:3635   
 105:281     106:816     107:1790    108:689     109:3751    110:1763   
 111:2021    112:1536    113:1408    114:1251    115:1722    116:1743   
 117:1962    118:2214    119:1642    120:1056    121:1039    122:2296   
 123:1838    124:1529    125:2020    128:1301    129:849     130:536    
 131:1819    132:747     133:226     134:1079    135:255     136:598    
 137:794     138:2073    139:939     140:567     141:879     142:773    
 143:1071    144:893     145:277     146:1334    147:857     148:1785   
 149:1021    150:820     151:1026    152:1370    153:362     154:4413   
 155:889     156:2254    157:1050    158:693     159:1934    160:1577   
 161:950     162:2990    163:827     164:1246    165:1188    166:515    
 167:1416    168:3467    169:474     170:4186    171:651     172:1711   
 173:2226    174:1039    175:989     176:2436    177:4043    178:2729   
 179:1473    180:2146    181:2385    182:2772    183:1115    184:2276   
 185:15447   186:3720    187:2572    188:3465    189:2068    190:8241   
 191:1438    192:10105   193:6717    194:5511    195:4193    196:3094   
 197:1728    198:5938    199:5957    200:7151    201:5173    202:10268  
 203:10241   204:4532    205:3058    206:3171    207:3231    208:3945   
 209:4292    210:3893    211:2019    212:3249    213:2955    214:1135   
 215:54      216:5890    217:2212    218:868     219:599     220:1929   
 221:972     222:981     223:1364   

End of report