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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 20 Jan, 2018

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

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

BGP routing table entries examined:                              680586
    Prefixes after maximum aggregation (per Origin AS):          264534
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      329232
Total ASes present in the Internet Routing Table:                 59612
    Prefixes per ASN:                                             11.42
Origin-only ASes present in the Internet Routing Table:           51475
Origin ASes announcing only one prefix:                           22666
Transit ASes present in the Internet Routing Table:                8137
Transit-only ASes present in the Internet Routing Table:            237
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      31
    Max AS path prepend of ASN ( 30873)                              27
Prefixes from unregistered ASNs in the Routing Table:                70
    Number of instances of unregistered ASNs:                        71
Number of 32-bit ASNs allocated by the RIRs:                      21228
Number of 32-bit ASNs visible in the Routing Table:               17018
Prefixes from 32-bit ASNs in the Routing Table:                   70136
Number of bogon 32-bit ASNs visible in the Routing Table:            12
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            378
Number of addresses announced to Internet:                   2863744674
    Equivalent to 170 /8s, 177 /16s and 70 /24s
    Percentage of available address space announced:               77.4
    Percentage of allocated address space announced:               77.4
    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:      224686

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

Prefixes being announced by APNIC Region ASes:                   187938
    Total APNIC prefixes after maximum aggregation:               53804
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          186983
    Unique aggregates announced from the APNIC address blocks:    77824
APNIC Region origin ASes present in the Internet Routing Table:    8597
    APNIC Prefixes per ASN:                                       21.75
APNIC Region origin ASes announcing only one prefix:               2437
APNIC Region transit ASes present in the Internet Routing Table:   1261
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3480
Number of APNIC addresses announced to Internet:              771640098
    Equivalent to 45 /8s, 254 /16s and 75 /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:                    202912
    Total ARIN prefixes after maximum aggregation:                97721
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:           204128
    Unique aggregates announced from the ARIN address blocks:     95906
ARIN Region origin ASes present in the Internet Routing Table:    18064
    ARIN Prefixes per ASN:                                        11.30
ARIN Region origin ASes announcing only one prefix:                6688
ARIN Region transit ASes present in the Internet Routing Table:    1786
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2295
Number of ARIN addresses announced to Internet:              1110297632
    Equivalent to 66 /8s, 45 /16s and 204 /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:                    183620
    Total RIPE prefixes after maximum aggregation:                89617
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           179616
    Unique aggregates announced from the RIPE address blocks:    108139
RIPE Region origin ASes present in the Internet Routing Table:    24826
    RIPE Prefixes per ASN:                                         7.23
RIPE Region origin ASes announcing only one prefix:               11350
RIPE Region transit ASes present in the Internet Routing Table:    3508
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6576
Number of RIPE addresses announced to Internet:               713698944
    Equivalent to 42 /8s, 138 /16s and 46 /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:                   88059
    Total LACNIC prefixes after maximum aggregation:              19402
    LACNIC Deaggregation factor:                                   4.54
Prefixes being announced from the LACNIC address blocks:          89356
    Unique aggregates announced from the LACNIC address blocks:   39848
LACNIC Region origin ASes present in the Internet Routing Table:   6752
    LACNIC Prefixes per ASN:                                      13.23
LACNIC Region origin ASes announcing only one prefix:              1829
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:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4280
Number of LACNIC addresses announced to Internet:             172233952
    Equivalent to 10 /8s, 68 /16s and 20 /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:                  17985
    Total AfriNIC prefixes after maximum aggregation:              3939
    AfriNIC Deaggregation factor:                                  4.57
Prefixes being announced from the AfriNIC address blocks:         20125
    Unique aggregates announced from the AfriNIC address blocks:   7240
AfriNIC Region origin ASes present in the Internet Routing Table:  1112
    AfriNIC Prefixes per ASN:                                     18.10
AfriNIC Region origin ASes announcing only one prefix:              361
AfriNIC Region transit ASes present in the Internet Routing Table:  223
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:  387
Number of AfriNIC addresses announced to Internet:             95472640
    Equivalent to 5 /8s, 176 /16s and 204 /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         5427       4195      92  ERX-CERNET-BKB China Education and Rese
  7545         3278        403     390  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2874      11130     768  KIXS-AS-KR Korea Telecom, KR
 17974         2784        934      78  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9829         2770       1499     540  BSNL-NIB National Internet Backbone, IN
  9394         2636       4923      27  CTTNET China TieTong Telecommunications
 45899         2569       1546     154  VNPT-AS-VN VNPT Corp, VN
  7552         2535       1159      50  VIETEL-AS-AP Viettel Group, VN
  9808         2117       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2083        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         3352       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3270       2951     146  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2167        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2077       2351     443  CHARTER-NET-HKY-NC - Charter Communicat
 16509         2002       4164     578  AMAZON-02 - Amazon.com, Inc., US
  6389         1957       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
   209         1934       5060     622  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1881        333     234  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 11492         1715        231     568  CABLEONE - CABLE ONE, INC., US
  7018         1684      20183    1254  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         2848        839    2057  AKAMAI-ASN1, US
  8551         2222        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2107       1858     696  ROSTELECOM-AS, RU
 12479         2048       1082     158  UNI2-AS, ES
 34984         2002        331     475  TELLCOM-AS, TR
  9121         1993       1691      17  TTNET, TR
 13188         1605        100      46  TRIOLAN, UA
  8402         1254        544      14  CORBINA-AS OJSC "Vimpelcom", RU
  6849         1228        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         3848       3348     579  Uninet S.A. de C.V., MX
 10620         3589        542     241  Telmex Colombia S.A., CO
 11830         2634        370      66  Instituto Costarricense de Electricidad
  6503         1627        437      53  Axtel, S.A.B. de C.V., MX
  7303         1500       1023     192  Telecom Argentina S.A., AR
  6147         1112        377      27  Telefonica del Peru S.A.A., PE
 28573         1015       2244     190  CLARO S.A., BR
  3816         1014        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         1120        398      50  LINKdotNET-AS, EG
 37611          783         91       8  Afrihost, ZA
 36903          737        370     140  MT-MPLS, MA
 36992          665       1379      35  ETISALAT-MISR, EG
  8452          527       1730      18  TE-AS TE-AS, EG
 24835          475        786      17  RAYA-AS, EG
 37492          449        367      77  ORANGE-, TN
 29571          446         36      13  ORANGE-COTE-IVOIRE, CI
 37342          373         32       1  MOVITEL, MZ
 15399          352         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         5427       4195      92  ERX-CERNET-BKB China Education and Rese
  8151         3848       3348     579  Uninet S.A. de C.V., MX
 10620         3589        542     241  Telmex Colombia S.A., CO
 39891         3520        187      21  ALJAWWALSTC-AS, SA
  6327         3352       1323      86  SHAW - Shaw Communications Inc., CA
  7545         3278        403     390  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3270       2951     146  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  4766         2874      11130     768  KIXS-AS-KR Korea Telecom, KR
 20940         2848        839    2057  AKAMAI-ASN1, US
 17974         2784        934      78  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       3589         3348   Telmex Colombia S.A., CO
  8151       3848         3269   Uninet S.A. de C.V., MX
  6327       3352         3266   SHAW - Shaw Communications Inc., CA
 22773       3270         3124   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3278         2888   TPG-INTERNET-AP TPG Telecom Limited, AU
 17974       2784         2706   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9394       2636         2609   CTTNET China TieTong Telecommunications Corpora
 11830       2634         2568   Instituto Costarricense de Electricidad y Telec
  7552       2535         2485   VIETEL-AS-AP Viettel Group, 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
  65456   PRIVATE      31.171.126.0/23     199311       AZRT-LX Local Internet Exchang
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T
  65000   PRIVATE      95.179.2.0/24        65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.3.0/24        65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.69.0/24       65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.70.0/24       65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.92.0/24       65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.93.0/24       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
23.159.192.0/24      54726    AET - AET Hosting Solutions, Inc., US
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

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     /14:1089    /15:1896    /16:13444   /17:7758    /18:13681   
/19:25257   /20:38859   /21:44865   /22:83219   /23:67301   /24:379973  
/25:840     /26:605     /27:662     /28:36      /29:20      /30:17      
/31:4       /32:60      

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

   ASN   No of nets  Total ann.  Description
  6327     3144          3352    SHAW - Shaw Communications Inc., CA
 39891     2946          3520    ALJAWWALSTC-AS, SA
 22773     2530          3270    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2061          2167    MEGAPATH5-US - MegaPath Corporation, US
 11830     1980          2634    Instituto Costarricense de Electricidad y Telec
  8551     1686          2222    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1644          1881    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1582          3589    Telmex Colombia S.A., CO
 11492     1512          1715    CABLEONE - CABLE ONE, INC., US
  9121     1468          1993    TTNET, TR

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

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

   1:1578      2:826       4:18        5:2653      6:39        8:1093   
   9:1        12:1853     13:201      14:1758     15:28       16:3      
  17:186      18:65       20:53       21:1        23:2546     24:1928   
  25:2        27:2363     31:1961     32:88       35:22       36:476    
  37:2474     38:1439     39:235      40:100      41:3056     42:537    
  43:1944     44:91       45:3557     46:2991     47:192      49:1370   
  50:1041     51:47       52:921      54:354      55:5        56:7      
  57:42       58:1591     59:1014     60:368      61:2065     62:1793   
  63:1818     64:4691     65:2229     66:4480     67:2334     68:1179   
  69:3184     70:1133     71:562      72:2080     74:2666     75:398    
  76:419      77:1572     78:1633     79:1681     80:1489     81:1408   
  82:1060     83:775      84:1007     85:1985     86:528      87:1210   
  88:923      89:2365     90:179      91:6296     92:1052     93:2352   
  94:2394     95:2754     96:647      97:356      98:924      99:110    
 100:79      101:1534    102:13      103:16849   104:3252    105:207    
 106:524     107:1805    108:706     109:2941    110:1588    111:1735   
 112:1290    113:1383    114:1109    115:1595    116:1624    117:1691   
 118:2195    119:1678    120:948     121:1053    122:2463    123:1884   
 124:1487    125:1848    128:989     129:586     130:440     131:1628   
 132:599     133:195     134:1001    135:226     136:444     137:475    
 138:1977    139:556     140:394     141:684     142:773     143:988    
 144:797     145:196     146:1159    147:756     148:1480    149:709    
 150:717     151:980     152:758     153:309     154:980     155:743    
 156:748     157:758     158:601     159:1635    160:838     161:725    
 162:2548    163:521     164:975     165:1500    166:400     167:1376   
 168:3129    169:793     170:3659    171:404     172:1029    173:1899   
 174:863     175:761     176:1882    177:3932    178:2429    179:1181   
 180:2231    181:2156    182:2431    183:1082    184:901     185:12153  
 186:3493    187:2327    188:2597    189:1944    190:8106    191:1338   
 192:9766    193:5873    194:4768    195:3993    196:2353    197:1460   
 198:5528    199:5891    200:7271    201:4886    202:10397   203:9959   
 204:4545    205:2864    206:3043    207:3109    208:4006    209:3922   
 210:4010    211:2146    212:2956    213:2618    214:886     215:66     
 216:5790    217:2118    218:897     219:625     220:1727    221:997    
 222:1062    223:1227   

End of report