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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, CaribNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG 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 06 Jan, 2018

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

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

BGP routing table entries examined:                              677605
    Prefixes after maximum aggregation (per Origin AS):          263671
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      327932
Total ASes present in the Internet Routing Table:                 59484
    Prefixes per ASN:                                             11.39
Origin-only ASes present in the Internet Routing Table:           51353
Origin ASes announcing only one prefix:                           22635
Transit ASes present in the Internet Routing Table:                8131
Transit-only ASes present in the Internet Routing Table:            244
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      30
    Max AS path prepend of ASN ( 29046)                              25
Prefixes from unregistered ASNs in the Routing Table:                88
    Number of instances of unregistered ASNs:                        89
Number of 32-bit ASNs allocated by the RIRs:                      21091
Number of 32-bit ASNs visible in the Routing Table:               16887
Prefixes from 32-bit ASNs in the Routing Table:                   69434
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:            334
Number of addresses announced to Internet:                   2860024994
    Equivalent to 170 /8s, 120 /16s and 132 /24s
    Percentage of available address space announced:               77.3
    Percentage of allocated address space announced:               77.3
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.8
Total number of prefixes smaller than registry allocations:      224483

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

Prefixes being announced by APNIC Region ASes:                   186127
    Total APNIC prefixes after maximum aggregation:               53465
    APNIC Deaggregation factor:                                    3.48
Prefixes being announced from the APNIC address blocks:          185206
    Unique aggregates announced from the APNIC address blocks:    77299
APNIC Region origin ASes present in the Internet Routing Table:    8570
    APNIC Prefixes per ASN:                                       21.61
APNIC Region origin ASes announcing only one prefix:               2430
APNIC Region transit ASes present in the Internet Routing Table:   1243
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:   3452
Number of APNIC addresses announced to Internet:              770308898
    Equivalent to 45 /8s, 233 /16s and 251 /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:                    202522
    Total ARIN prefixes after maximum aggregation:                97512
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:           203785
    Unique aggregates announced from the ARIN address blocks:     95631
ARIN Region origin ASes present in the Internet Routing Table:    18045
    ARIN Prefixes per ASN:                                        11.29
ARIN Region origin ASes announcing only one prefix:                6679
ARIN Region transit ASes present in the Internet Routing Table:    1784
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:    2289
Number of ARIN addresses announced to Internet:              1107523104
    Equivalent to 66 /8s, 3 /16s and 118 /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:                    183210
    Total RIPE prefixes after maximum aggregation:                89257
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           179162
    Unique aggregates announced from the RIPE address blocks:    107873
RIPE Region origin ASes present in the Internet Routing Table:    24791
    RIPE Prefixes per ASN:                                         7.23
RIPE Region origin ASes announcing only one prefix:               11325
RIPE Region transit ASes present in the Internet Routing Table:    3514
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:    6535
Number of RIPE addresses announced to Internet:               714008704
    Equivalent to 42 /8s, 142 /16s and 232 /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:                   87728
    Total LACNIC prefixes after maximum aggregation:              19441
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:          89021
    Unique aggregates announced from the LACNIC address blocks:   39646
LACNIC Region origin ASes present in the Internet Routing Table:   6689
    LACNIC Prefixes per ASN:                                      13.31
LACNIC Region origin ASes announcing only one prefix:              1835
LACNIC Region transit ASes present in the Internet Routing Table:  1246
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        29
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4222
Number of LACNIC addresses announced to Internet:             172507104
    Equivalent to 10 /8s, 72 /16s and 63 /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:                  17928
    Total AfriNIC prefixes after maximum aggregation:              3932
    AfriNIC Deaggregation factor:                                  4.56
Prefixes being announced from the AfriNIC address blocks:         20097
    Unique aggregates announced from the AfriNIC address blocks:   7210
AfriNIC Region origin ASes present in the Internet Routing Table:  1114
    AfriNIC Prefixes per ASN:                                     18.04
AfriNIC Region origin ASes announcing only one prefix:              365
AfriNIC Region transit ASes present in the Internet Routing Table:  225
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  389
Number of AfriNIC addresses announced to Internet:             95278336
    Equivalent to 5 /8s, 173 /16s and 213 /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         5411       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         3271        403     389  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2884      11132     772  KIXS-AS-KR Korea Telecom, KR
 17974         2783        918      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9829         2769       1499     540  BSNL-NIB National Internet Backbone, IN
  7552         2509       1159      49  VIETEL-AS-AP Viettel Group, VN
 45899         2253       1524     119  VNPT-AS-VN VNPT Corp, VN
  9394         2168       4923      26  CTTNET China TieTong Telecommunications
  9808         2097       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2082        417     209  TATACOMM-AS TATA Communications formerl

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

ARIN Region per AS prefix count summary
---------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
  6327         3333       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3280       2951     146  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2169        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2066       2328     465  CHARTER-NET-HKY-NC - Charter Communicat
 16509         1988       4145     586  AMAZON-02 - Amazon.com, Inc., US
  6389         1959       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
   209         1916       5061     623  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1871        332     246  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 11492         1723        233     571  CABLEONE - CABLE ONE, INC., US
  7018         1675      20197    1247  ATT-INTERNET4 - AT&T Services, 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         3520        187      21  ALJAWWALSTC-AS, SA
 20940         2856        846    2059  AKAMAI-ASN1, US
  8551         2282        378      42  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2091       1830     688  ROSTELECOM-AS, RU
 12479         1991       1068     127  UNI2-AS, ES
  9121         1981       1691      17  TTNET, TR
 34984         1979        330     477  TELLCOM-AS, TR
 13188         1605        100      46  TRIOLAN, UA
  6849         1228        355      21  UKRTELNET, UA
  8402         1225        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
  8151         3752       3433     602  Uninet S.A. de C.V., MX
 10620         3577        539     262  Telmex Colombia S.A., CO
 11830         2632        370      66  Instituto Costarricense de Electricidad
  6503         1617        437      53  Axtel, S.A.B. de C.V., MX
  7303         1498       1023     192  Telecom Argentina S.A., AR
  6147         1195        377      27  Telefonica del Peru S.A.A., PE
 28573         1022       2246     194  CLARO S.A., BR
  3816         1015        509     114  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          919        126      85  Alestra, S. de R.L. de C.V., MX
 18881          904       1065      27  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         1190        398      50  LINKdotNET-AS, EG
 37611          781         91       8  Afrihost, ZA
 36903          741        372     137  MT-MPLS, MA
 36992          688       1383      31  ETISALAT-MISR, EG
  8452          520       1730      18  TE-AS TE-AS, EG
 24835          487        786      17  RAYA-AS, EG
 29571          444         36      13  ORANGE-COTE-IVOIRE, CI
 37492          440        367      77  ORANGE-, TN
 37342          356         32       1  MOVITEL, MZ
 15399          349         35       7  WANANCHI-, KE

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         5411       4192      74  ERX-CERNET-BKB China Education and Rese
  8151         3752       3433     602  Uninet S.A. de C.V., MX
 10620         3577        539     262  Telmex Colombia S.A., CO
 39891         3520        187      21  ALJAWWALSTC-AS, SA
  6327         3333       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3280       2951     146  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  7545         3271        403     389  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2884      11132     772  KIXS-AS-KR Korea Telecom, KR
 20940         2856        846    2059  AKAMAI-ASN1, US
 17974         2783        918      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo

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

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

  ASN   No of nets  Net Savings  Description
 39891       3520         3499   ALJAWWALSTC-AS, SA
 10620       3577         3315   Telmex Colombia S.A., CO
  6327       3333         3247   SHAW - Shaw Communications Inc., CA
  8151       3752         3150   Uninet S.A. de C.V., MX
 22773       3280         3134   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3271         2882   TPG-INTERNET-AP TPG Telecom Limited, AU
 17974       2783         2706   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
 11830       2632         2566   Instituto Costarricense de Electricidad y Telec
  7552       2509         2460   VIETEL-AS-AP Viettel Group, VN
  8551       2282         2240   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo

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

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

Bad AS    Designation  Network              Transit AS  Description
  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
  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
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T
  64609   PRIVATE      94.245.126.0/24       6584       MICROSOFT-GP-AS - Microsoft Co
  65000   PRIVATE      95.179.2.0/24        65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.3.0/24        65001       -Private Use AS-, ZZ

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       /9:12      /10:37      /11:99      /12:279     
/13:558     /14:1088    /15:1896    /16:13416   /17:7769    /18:13670   
/19:25260   /20:38892   /21:44620   /22:82804   /23:66621   /24:378323  
/25:844     /26:608     /27:657     /28:36      /29:20      /30:17      
/31:4       /32:60      

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

   ASN   No of nets  Total ann.  Description
  6327     3125          3333    SHAW - Shaw Communications Inc., CA
 39891     2946          3520    ALJAWWALSTC-AS, SA
 22773     2526          3280    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2063          2169    MEGAPATH5-US - MegaPath Corporation, US
 11830     1978          2632    Instituto Costarricense de Electricidad y Telec
  8551     1746          2282    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1635          1871    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1577          3577    Telmex Colombia S.A., CO
 11492     1520          1723    CABLEONE - CABLE ONE, INC., US
  9121     1457          1981    TTNET, TR

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

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

   1:1573      2:819       4:18        5:2636      6:39        8:1094   
   9:1        12:1854     13:198      14:1749     15:29       16:3      
  17:185      18:76       20:53       21:1        23:2502     24:1927   
  25:2        27:2340     31:1951     32:87       35:22       36:458    
  37:2464     38:1430     39:224      40:101      41:3027     42:549    
  43:1929     44:93       45:3491     46:2986     47:193      49:1371   
  50:1051     51:47       52:916      54:355      55:5        56:7      
  57:42       58:1569     59:1010     60:372      61:1997     62:1778   
  63:1825     64:4638     65:2239     66:4486     67:2311     68:1194   
  69:3165     70:1132     71:588      72:2115     74:2693     75:392    
  76:423      77:1553     78:1617     79:1960     80:1480     81:1406   
  82:1070     83:792      84:1005     85:1989     86:565      87:1210   
  88:917      89:2318     90:177      91:6255     92:1085     93:2345   
  94:2370     95:2738     96:667      97:356      98:909      99:107    
 100:152     101:1535    102:14      103:16628   104:3213    105:212    
 106:521     107:1800    108:816     109:2727    110:1549    111:1722   
 112:1283    113:1380    114:1115    115:1603    116:1621    117:1669   
 118:2241    119:1660    120:913     121:1050    122:2419    123:1760   
 124:1479    125:1840    128:963     129:580     130:440     131:1627   
 132:588     133:194     134:1000    135:220     136:447     137:465    
 138:1983    139:549     140:388     141:677     142:768     143:942    
 144:799     145:195     146:1142    147:687     148:1471    149:711    
 150:712     151:982     152:749     153:309     154:959     155:744    
 156:742     157:743     158:599     159:1621    160:849     161:733    
 162:2531    163:522     164:981     165:1490    166:398     167:1377   
 168:3111    169:789     170:3641    171:403     172:1027    173:1909   
 174:862     175:772     176:1858    177:3939    178:2442    179:1155   
 180:2226    181:2133    182:2418    183:1059    184:895     185:11955  
 186:3475    187:2369    188:2624    189:1970    190:8220    191:1364   
 192:9756    193:5873    194:4779    195:3985    196:2321    197:1440   
 198:5525    199:5882    200:7280    201:4918    202:10378   203:9917   
 204:4560    205:2871    206:3043    207:3112    208:3994    209:3938   
 210:4002    211:2151    212:2938    213:2618    214:858     215:63     
 216:5748    217:2111    218:900     219:626     220:1728    221:956    
 222:696     223:1225   

End of report