Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Oct 20 18:02:40 CST 2017


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
MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 21 Oct, 2017

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

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

BGP routing table entries examined:                              664841
    Prefixes after maximum aggregation (per Origin AS):          259627
    Deaggregation factor:                                          2.56
    Unique aggregates announced (without unneeded subnets):      321831
Total ASes present in the Internet Routing Table:                 58796
    Prefixes per ASN:                                             11.31
Origin-only ASes present in the Internet Routing Table:           50787
Origin ASes announcing only one prefix:                           22389
Transit ASes present in the Internet Routing Table:                8009
Transit-only ASes present in the Internet Routing Table:            235
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      30
    Max AS path prepend of ASN (206156)                              26
Prefixes from unregistered ASNs in the Routing Table:                87
    Number of instances of unregistered ASNs:                        87
Number of 32-bit ASNs allocated by the RIRs:                      20331
Number of 32-bit ASNs visible in the Routing Table:               16153
Prefixes from 32-bit ASNs in the Routing Table:                   66379
Number of bogon 32-bit ASNs visible in the Routing Table:            21
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            386
Number of addresses announced to Internet:                   2856852064
    Equivalent to 170 /8s, 72 /16s and 26 /24s
    Percentage of available address space announced:               77.2
    Percentage of allocated address space announced:               77.2
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.7
Total number of prefixes smaller than registry allocations:      219481

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

Prefixes being announced by APNIC Region ASes:                   183270
    Total APNIC prefixes after maximum aggregation:               52668
    APNIC Deaggregation factor:                                    3.48
Prefixes being announced from the APNIC address blocks:          182323
    Unique aggregates announced from the APNIC address blocks:    75594
APNIC Region origin ASes present in the Internet Routing Table:    8418
    APNIC Prefixes per ASN:                                       21.66
APNIC Region origin ASes announcing only one prefix:               2341
APNIC Region transit ASes present in the Internet Routing Table:   1206
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:   3261
Number of APNIC addresses announced to Internet:              765538528
    Equivalent to 45 /8s, 161 /16s and 48 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-137529
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    199937
    Total ARIN prefixes after maximum aggregation:                96532
    ARIN Deaggregation factor:                                     2.07
Prefixes being announced from the ARIN address blocks:           201429
    Unique aggregates announced from the ARIN address blocks:     94119
ARIN Region origin ASes present in the Internet Routing Table:    18008
    ARIN Prefixes per ASN:                                        11.19
ARIN Region origin ASes announcing only one prefix:                6655
ARIN Region transit ASes present in the Internet Routing Table:    1776
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2232
Number of ARIN addresses announced to Internet:              1110528800
    Equivalent to 66 /8s, 49 /16s and 83 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-397212
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  45/8,  47/8,  48/8,  50/8,  52/8,
                        53/8,  54/8,  55/8,  56/8,  57/8,  63/8,  64/8,
                        65/8,  66/8,  67/8,  68/8,  69/8,  70/8,  71/8,
                        72/8,  73/8,  74/8,  75/8,  76/8,  96/8,  97/8,
                        98/8,  99/8, 100/8, 104/8, 107/8, 108/8, 128/8,
                       129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
                       137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
                       146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
                       157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
                       165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
                       173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8,
                       205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8,
                       216/8,

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    178718
    Total RIPE prefixes after maximum aggregation:                87403
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           174719
    Unique aggregates announced from the RIPE address blocks:    105434
RIPE Region origin ASes present in the Internet Routing Table:    24515
    RIPE Prefixes per ASN:                                         7.13
RIPE Region origin ASes announcing only one prefix:               11223
RIPE Region transit ASes present in the Internet Routing Table:    3506
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6286
Number of RIPE addresses announced to Internet:               713571968
    Equivalent to 42 /8s, 136 /16s and 62 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-207259
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                   85162
    Total LACNIC prefixes after maximum aggregation:              19053
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:          86402
    Unique aggregates announced from the LACNIC address blocks:   39199
LACNIC Region origin ASes present in the Internet Routing Table:   6493
    LACNIC Prefixes per ASN:                                      13.31
LACNIC Region origin ASes announcing only one prefix:              1818
LACNIC Region transit ASes present in the Internet Routing Table:  1190
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        25
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4015
Number of LACNIC addresses announced to Internet:             172256992
    Equivalent to 10 /8s, 68 /16s and 110 /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:                  17665
    Total AfriNIC prefixes after maximum aggregation:              3897
    AfriNIC Deaggregation factor:                                  4.53
Prefixes being announced from the AfriNIC address blocks:         19582
    Unique aggregates announced from the AfriNIC address blocks:   7168
AfriNIC Region origin ASes present in the Internet Routing Table:  1090
    AfriNIC Prefixes per ASN:                                     17.97
AfriNIC Region origin ASes announcing only one prefix:              351
AfriNIC Region transit ASes present in the Internet Routing Table:  215
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  359
Number of AfriNIC addresses announced to Internet:             94459904
    Equivalent to 5 /8s, 161 /16s and 88 /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         5278       4192      76  ERX-CERNET-BKB China Education and Rese
  7545         4000        408     405  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2787        900      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2776      11126     751  KIXS-AS-KR Korea Telecom, KR
  9829         2763       1499     541  BSNL-NIB National Internet Backbone, IN
  9808         2360       8699      32  CMNET-GD Guangdong Mobile Communication
  9394         2173       4931      27  CTTNET China TieTong Telecommunications
  4755         2104        422     221  TATACOMM-AS TATA Communications formerl
 45899         2097       1482     150  VNPT-AS-VN VNPT Corp, VN
  7552         2074       1180      84  VIETEL-AS-AP Viettel Corporation, VN

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         3359       1325      84  SHAW - Shaw Communications Inc., CA
 22773         3304       2952     158  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2175        405     107  MEGAPATH5-US - MegaPath Corporation, US
  6389         2045       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         2045       2272     429  CHARTER-NET-HKY-NC - Charter Communicat
   209         1951       5067     651  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1863       4032     561  AMAZON-02 - Amazon.com, Inc., US
 30036         1834        329     296  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   701         1679      10589     626  UUNET - MCI Communications Services, In
 11492         1630        240     563  CABLEONE - CABLE ONE, INC., US

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

RIPE Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 39891         3387        186      23  ALJAWWALSTC-AS, SA
 20940         2809        839    2026  AKAMAI-ASN1, US
  8551         2508        378      42  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984         2064        333     428  TELLCOM-AS, TR
 12389         1864       1675     722  ROSTELECOM-AS, RU
 12479         1796       1063      72  UNI2-AS, ES
  9121         1775       1691      17  TTNET, TR
 13188         1604        100      52  TRIOLAN, UA
  6849         1225        355      21  UKRTELNET, UA
  8402         1213        544      14  CORBINA-AS OJSC "Vimpelcom", RU

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

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 10620         3545        538     287  Telmex Colombia S.A., CO
  8151         3217       3467     585  Uninet S.A. de C.V., MX
 11830         2327        367      41  Instituto Costarricense de Electricidad
  6503         1580        437      53  Axtel, S.A.B. de C.V., MX
  7303         1479       1013     195  Telecom Argentina S.A., AR
  6147         1274        377      27  Telefonica del Peru S.A.A., PE
  3816         1031        509     103  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573          999       2304     179  CLARO S.A., BR
 11172          912        126      86  Alestra, S. de R.L. de C.V., MX
 18881          901       1058      25  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         1209        398      48  LINKdotNET-AS, EG
 37611          776         91       8  Afrihost, ZA
 36903          706        355     139  MT-MPLS, MA
 36992          668       1383      31  ETISALAT-MISR, EG
 24835          515        850      15  RAYA-AS, EG
  8452          509       1730      17  TE-AS TE-AS, EG
 29571          428         36      10  CITelecom-AS, CI
 37492          416        354      77  ORANGE-, TN
 15399          356         35       7  WANANCHI-, KE
  2018          298        327      73  TENET-1, ZA

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

Global Per AS prefix count summary
----------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  4538         5278       4192      76  ERX-CERNET-BKB China Education and Rese
  7545         4000        408     405  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3545        538     287  Telmex Colombia S.A., CO
 39891         3387        186      23  ALJAWWALSTC-AS, SA
  6327         3359       1325      84  SHAW - Shaw Communications Inc., CA
 22773         3304       2952     158  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  8151         3217       3467     585  Uninet S.A. de C.V., MX
 20940         2809        839    2026  AKAMAI-ASN1, US
 17974         2787        900      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2776      11126     751  KIXS-AS-KR Korea Telecom, KR

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

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

  ASN   No of nets  Net Savings  Description
  7545       4000         3595   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3387         3364   ALJAWWALSTC-AS, SA
  6327       3359         3275   SHAW - Shaw Communications Inc., CA
 10620       3545         3258   Telmex Colombia S.A., CO
 22773       3304         3146   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 17974       2787         2710   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  8151       3217         2632   Uninet S.A. de C.V., MX
  8551       2508         2466   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  9808       2360         2328   CMNET-GD Guangdong Mobile Communication Co.Ltd.
 11830       2327         2286   Instituto Costarricense de Electricidad y Telec

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

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

Bad AS    Designation  Network              Transit AS  Description
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  65456   PRIVATE      31.171.126.0/23     199311       AZRT-LX Local Internet Exchang
  64525   PRIVATE      45.119.143.0/24     133275       GIGANTIC-AS Gigantic Infotel P
  64525   PRIVATE      45.125.62.0/24      133275       GIGANTIC-AS Gigantic Infotel P
  65530   PRIVATE      45.249.40.0/24      133720       SOFTCALLCOC-AS SOFT CALL CUST-
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  65534   PRIVATE      58.68.109.0/24       10201       DWL-AS-IN Dishnet Wireless Lim
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
290012147   UNALLOCATED  63.65.43.0/24         7046       RFC2270-UUNET-CUSTOMER - MCI C
  65538   DOCUMENT     64.27.253.0/24        1273       CW Vodafone Group PLC, GB

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

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

Network            Origin AS  Description
14.128.14.0/23       10247    NETLINE, ZA
14.192.50.0/23       10247    NETLINE, ZA
14.192.58.0/23       10247    NETLINE, ZA
27.100.7.0/24        56096    UNKNOWN
36.255.250.0/23      10247    NETLINE, ZA
41.78.180.0/23       37265    -Reserved AS-, ZZ
43.228.144.0/22       9829    BSNL-NIB National Internet Backbone, IN
43.251.20.0/22        9381    WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22      133676    PNPL-AS Precious netcom pvt ltd, IN
43.251.84.0/23      133676    PNPL-AS Precious netcom pvt ltd, IN

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

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:15       /9:13      /10:36      /11:106     /12:285     
/13:553     /14:1050    /15:1866    /16:13398   /17:7739    /18:13627   
/19:25100   /20:38989   /21:42822   /22:80447   /23:65685   /24:370901  
/25:842     /26:621     /27:646     /28:35      /29:21      /30:15      
/31:2       /32:27      

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

   ASN   No of nets  Total ann.  Description
  6327     3157          3359    SHAW - Shaw Communications Inc., CA
 39891     2946          3387    ALJAWWALSTC-AS, SA
 22773     2525          3304    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2070          2175    MEGAPATH5-US - MegaPath Corporation, US
  8551     1972          2508    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830     1697          2327    Instituto Costarricense de Electricidad y Telec
 30036     1609          1834    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1532          3545    Telmex Colombia S.A., CO
 11492     1449          1630    CABLEONE - CABLE ONE, INC., US
 34984     1367          2064    TELLCOM-AS, TR

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

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

   1:1566      2:838       4:18        5:2471      6:38        7:1      
   8:1070      9:1        12:1849     13:163      14:1709     15:29     
  16:3        17:175      18:76       20:59       23:2458     24:1651   
  25:2        27:2357     29:1        31:1933     32:89       35:21     
  36:418      37:2386     38:1411     39:74       40:98       41:3046   
  42:496      43:1927     44:85       45:3110     46:2837     47:172    
  49:1328     50:1015     51:19       52:868      54:353      55:2      
  56:4        57:43       58:1562     59:993      60:355      61:2025   
  62:1736     63:1848     64:4590     65:2225     66:4450     67:2311   
  68:1189     69:3169     70:1161     71:610      72:2114     74:2623   
  75:388      76:411      77:1498     78:1563     79:1950     80:1419   
  81:1413     82:1024     83:750      84:983      85:1931     86:467    
  87:1213     88:829      89:2254     90:171      91:6217     92:1032   
  93:2315     94:2402     95:2645     96:650      97:352      98:963    
  99:97      100:153     101:1303    102:1       103:15969   104:3065   
 105:208     106:564     107:1686    108:829     109:2902    110:1485   
 111:1744    112:1286    113:1253    114:1063    115:1569    116:1666   
 117:1837    118:2148    119:1650    120:911     121:1069    122:2429   
 123:1864    124:1493    125:1817    128:934     129:670     130:443    
 131:1499    132:602     133:193     134:794     135:227     136:359    
 137:497     138:1963    139:536     140:381     141:677     142:740    
 143:915     144:785     145:186     146:1108    147:704     148:1514   
 149:600     150:705     151:1007    152:722     153:301     154:923    
 155:750     156:695     157:739     158:595     159:1569    160:773    
 161:730     162:2500    163:509     164:984     165:1438    166:387    
 167:1310    168:3039    169:818     170:3498    171:379     172:994    
 173:1898    174:810     175:758     176:1867    177:3967    178:2483   
 179:1130    180:2212    181:2076    182:2461    183:817     184:899    
 185:11159   186:3272    187:2281    188:2596    189:1886    190:8150   
 191:1354    192:9692    193:5831    194:4735    195:3968    196:2191   
 197:1264    198:5534    199:5874    200:7220    201:4630    202:10331  
 203:9950    204:4520    205:2857    206:3010    207:3120    208:3967   
 209:3961    210:3932    211:2084    212:2856    213:2586    214:856    
 215:66      216:5723    217:2097    218:915     219:598     220:1672   
 221:941     222:722     223:1298   

End of report


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