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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 20 Oct, 2018

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

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

BGP routing table entries examined:                              720932
    Prefixes after maximum aggregation (per Origin AS):          277736
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      346559
Total ASes present in the Internet Routing Table:                 62172
    Prefixes per ASN:                                             11.60
Origin-only ASes present in the Internet Routing Table:           53659
Origin ASes announcing only one prefix:                           23351
Transit ASes present in the Internet Routing Table:                8513
Transit-only ASes present in the Internet Routing Table:            258
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      36
    Max AS path prepend of ASN ( 30873)                              34
Prefixes from unregistered ASNs in the Routing Table:                45
    Number of instances of unregistered ASNs:                        45
Number of 32-bit ASNs allocated by the RIRs:                      24512
Number of 32-bit ASNs visible in the Routing Table:               19802
Prefixes from 32-bit ASNs in the Routing Table:                   83276
Number of bogon 32-bit ASNs visible in the Routing Table:            15
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            265
Number of addresses announced to Internet:                   2855841539
    Equivalent to 170 /8s, 56 /16s and 175 /24s
    Percentage of available address space announced:               77.1
    Percentage of allocated address space announced:               77.1
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.1
Total number of prefixes smaller than registry allocations:      240937

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

Prefixes being announced by APNIC Region ASes:                   196031
    Total APNIC prefixes after maximum aggregation:               55976
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          193756
    Unique aggregates announced from the APNIC address blocks:    80180
APNIC Region origin ASes present in the Internet Routing Table:    9173
    APNIC Prefixes per ASN:                                       21.12
APNIC Region origin ASes announcing only one prefix:               2566
APNIC Region transit ASes present in the Internet Routing Table:   1366
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:   4141
Number of APNIC addresses announced to Internet:              767770050
    Equivalent to 45 /8s, 195 /16s and 61 /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:                    214759
    Total ARIN prefixes after maximum aggregation:               101898
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           214148
    Unique aggregates announced from the ARIN address blocks:    101956
ARIN Region origin ASes present in the Internet Routing Table:    18276
    ARIN Prefixes per ASN:                                        11.72
ARIN Region origin ASes announcing only one prefix:                6787
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:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2468
Number of ARIN addresses announced to Internet:              1098652576
    Equivalent to 65 /8s, 124 /16s and 27 /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:                    197098
    Total RIPE prefixes after maximum aggregation:                94122
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           193556
    Unique aggregates announced from the RIPE address blocks:    114401
RIPE Region origin ASes present in the Internet Routing Table:    25565
    RIPE Prefixes per ASN:                                         7.57
RIPE Region origin ASes announcing only one prefix:               11475
RIPE Region transit ASes present in the Internet Routing Table:    3540
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:    7497
Number of RIPE addresses announced to Internet:               714892672
    Equivalent to 42 /8s, 156 /16s and 101 /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:                   93394
    Total LACNIC prefixes after maximum aggregation:              21481
    LACNIC Deaggregation factor:                                   4.35
Prefixes being announced from the LACNIC address blocks:          94805
    Unique aggregates announced from the LACNIC address blocks:   41433
LACNIC Region origin ASes present in the Internet Routing Table:   7667
    LACNIC Prefixes per ASN:                                      12.37
LACNIC Region origin ASes announcing only one prefix:              2118
LACNIC Region transit ASes present in the Internet Routing Table:  1445
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:  5216
Number of LACNIC addresses announced to Internet:             172298784
    Equivalent to 10 /8s, 69 /16s and 18 /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:                  19604
    Total AfriNIC prefixes after maximum aggregation:              4219
    AfriNIC Deaggregation factor:                                  4.65
Prefixes being announced from the AfriNIC address blocks:         24402
    Unique aggregates announced from the AfriNIC address blocks:   8345
AfriNIC Region origin ASes present in the Internet Routing Table:  1207
    AfriNIC Prefixes per ASN:                                     20.22
AfriNIC Region origin ASes announcing only one prefix:              405
AfriNIC Region transit ASes present in the Internet Routing Table:  243
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:  480
Number of AfriNIC addresses announced to Internet:            101797120
    Equivalent to 6 /8s, 17 /16s and 77 /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         4638       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4471        496     489  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         2985       1153      93  VIETEL-AS-AP Viettel Group, VN
 45899         2839       1674     159  VNPT-AS-VN VNPT Corp, VN
  4766         2809      11130     764  KIXS-AS-KR Korea Telecom, KR
  9829         2734       1495     548  BSNL-NIB National Internet Backbone, IN
  9394         2503       4907      31  CTTNET China TieTong Telecommunications
  9808         2252       8699      26  CMNET-GD Guangdong Mobile Communication
 17974         2240        968      51  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4755         2133        422     172  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
 11492         3495        226     581  CABLEONE - CABLE ONE, INC., US
  6327         3454       1324      84  SHAW - Shaw Communications Inc., CA
 22773         3268       2971     161  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2325       5005     834  AMAZON-02 - Amazon.com, Inc., US
 18566         2156        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2148       2737     515  CHARTER-NET-HKY-NC - Charter Communicat
  5650         2085       3074    1461  FRONTIER-FRTR - Frontier Communications
 16625         2081       1118    1555  AKAMAI-AS - Akamai Technologies, Inc., 
   209         2036       5079     594  CENTURYLINK-US-LEGACY-QWEST - CenturyLi
 30036         2033        343     228  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom

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         4996       1616     132  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3045        378      50  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2569        578    1913  AKAMAI-ASN1, US
 12389         2119       2067     686  ROSTELECOM-AS, RU
 34984         2030        336     527  TELLCOM-AS, TR
  9121         1862       1691      17  TTNET, TR
 13188         1604        100      45  TRIOLAN, UA
  8402         1284        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         5424       3305     609  Uninet S.A. de C.V., MX
 10620         3199        490     804  Telmex Colombia S.A., CO
 11830         2661        370      83  Instituto Costarricense de Electricidad
  6503         1651        449      55  Axtel, S.A.B. de C.V., MX
  7303         1432        956     206  Telecom Argentina S.A., AR
  6147         1092        377      29  Telefonica del Peru S.A.A., PE
 28573         1083       2234     192  CLARO S.A., BR
  3816         1025        508     115  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          937        145      72  Alestra, S. de R.L. de C.V., MX
 18881          919       1114      28  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          949        395      41  LINKdotNET-AS, EG
 37611          902        107       9  Afrihost, ZA
 36903          794        399     146  MT-MPLS, MA
 36992          753       1411      41  ETISALAT-MISR, EG
 24835          682        758      20  RAYA-AS, EG
  8452          612       1728      15  TE-AS TE-AS, EG
 29571          462         70      12  ORANGE-COTE-IVOIRE, CI
 37492          440        467      62  ORANGE-, TN
 23889          394        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         5424       3305     609  Uninet S.A. de C.V., MX
 12479         4996       1616     132  UNI2-AS, ES
  4538         4638       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4471        496     489  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 11492         3495        226     581  CABLEONE - CABLE ONE, INC., US
  6327         3454       1324      84  SHAW - Shaw Communications Inc., CA
 22773         3268       2971     161  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3199        490     804  Telmex Colombia S.A., CO
  8551         3045        378      50  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       4996         4864   UNI2-AS, ES
  4538       4638         4564   ERX-CERNET-BKB China Education and Research Net
  7545       4471         3982   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3454         3370   SHAW - Shaw Communications Inc., CA
 22773       3268         3107   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551       3045         2995   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11492       3495         2914   CABLEONE - CABLE ONE, INC., US
  7552       2985         2892   VIETEL-AS-AP Viettel Group, VN
 45899       2839         2680   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
  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
41.76.140.0/22       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
64.30.152.0/24       15830    TELECITY-LON, GB

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     
/13:566     /14:1105    /15:1889    /16:13326   /17:7890    /18:13785   
/19:25401   /20:39569   /21:45929   /22:89486   /23:73423   /24:405894  
/25:822     /26:625     /27:639     /28:36      /29:21      /30:22      
/31:4       /32:52      

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

   ASN   No of nets  Total ann.  Description
 12479     3779          4996    UNI2-AS, ES
  6327     3239          3454    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2764          3495    CABLEONE - CABLE ONE, INC., US
 22773     2527          3268    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2501          3045    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2050          2156    MEGAPATH5-US - MegaPath Corporation, US
 11830     2011          2661    Instituto Costarricense de Electricidad y Telec
 30036     1781          2033    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
  5650     1762          2085    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)
----------------------------------------------

   1:1612      2:892       4:18        5:2676      6:43        7:1      
   8:1142     12:1869     13:222      14:1848     15:33       16:3      
  17:192      18:58       20:50       23:2471     24:2434     25:2      
  27:2512     31:2013     32:84       35:30       36:546      37:2918   
  38:1560     39:262      40:122      41:3179     42:717      43:1959   
  44:126      45:5808     46:3112     47:222      49:1352     50:1062   
  51:318      52:1089     54:361      55:1        56:12       57:38     
  58:1608     59:985      60:417      61:2084     62:1954     63:1805   
  64:5053     65:2204     66:4817     67:2665     68:1156     69:3345   
  70:1166     71:590      72:2245     74:2730     75:416      76:458    
  77:1658     78:1746     79:2226     80:1584     81:1422     82:1052   
  83:787      84:1048     85:2063     86:568      87:1468     88:942    
  89:2368     90:215      91:6446     92:1272     93:2392     94:2451   
  95:3026     96:924      97:353      98:944      99:145     100:86     
 101:1174    102:252     103:18935   104:3569    105:235     106:769    
 107:1831    108:710     109:3375    110:1658    111:1815    112:1329   
 113:1306    114:1143    115:1681    116:1660    117:1802    118:2192   
 119:1666    120:1083    121:1036    122:2319    123:1664    124:1451   
 125:1939    128:1206    129:689     130:503     131:1616    132:723    
 133:191     134:1036    135:237     136:527     137:658     138:1961   
 139:695     140:553     141:752     142:840     143:988     144:851    
 145:496     146:1249    147:769     148:1665    149:775     150:763    
 151:991     152:871     153:325     154:1882    155:941     156:1533   
 157:813     158:660     159:1867    160:1494    161:852     162:2650   
 163:735     164:1092    165:1565    166:454     167:1288    168:3138   
 169:859     170:3982    171:495     172:1040    173:2077    174:997    
 175:817     176:2107    177:3980    178:2507    179:1305    180:2122   
 181:2430    182:2596    183:1303    184:1135    185:14239   186:3591   
 187:2449    188:2930    189:2010    190:8269    191:1361    192:9864   
 193:6304    194:5153    195:4047    196:2838    197:1618    198:5692   
 199:5954    200:7407    201:5017    202:10249   203:10199   204:4612   
 205:2982    206:3217    207:3196    208:3931    209:4160    210:3834   
 211:1985    212:2983    213:2800    214:1041    215:54      216:6022   
 217:2181    218:866     219:575     220:1812    221:992     222:967    
 223:1400   

End of report