Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jun 9 18:02:55 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, AusNOG, SANOG, PacNOG,
MENOG, SAFNOG, SdNOG, BJNOG, CaribNOG 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 10 Jun, 2017

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

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

BGP routing table entries examined:                              650823
    Prefixes after maximum aggregation (per Origin AS):          253584
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      314080
Total ASes present in the Internet Routing Table:                 57448
    Prefixes per ASN:                                             11.33
Origin-only ASes present in the Internet Routing Table:           49725
Origin ASes announcing only one prefix:                           21980
Transit ASes present in the Internet Routing Table:                7723
Transit-only ASes present in the Internet Routing Table:            224
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      45
    Max AS path prepend of ASN ( 55644)                              41
Prefixes from unregistered ASNs in the Routing Table:                54
    Numnber of instances of unregistered ASNs:                       58
Number of 32-bit ASNs allocated by the RIRs:                      18953
Number of 32-bit ASNs visible in the Routing Table:               14709
Prefixes from 32-bit ASNs in the Routing Table:                   59673
Number of bogon 32-bit ASNs visible in the Routing Table:            65
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            369
Number of addresses announced to Internet:                   2848626788
    Equivalent to 169 /8s, 202 /16s and 152 /24s
    Percentage of available address space announced:               76.9
    Percentage of allocated address space announced:               76.9
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.6
Total number of prefixes smaller than registry allocations:      217103

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

Prefixes being announced by APNIC Region ASes:                   178366
    Total APNIC prefixes after maximum aggregation:               51373
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          177587
    Unique aggregates announced from the APNIC address blocks:    73377
APNIC Region origin ASes present in the Internet Routing Table:    8152
    APNIC Prefixes per ASN:                                       21.78
APNIC Region origin ASes announcing only one prefix:               2278
APNIC Region transit ASes present in the Internet Routing Table:   1159
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         45
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2980
Number of APNIC addresses announced to Internet:              763641700
    Equivalent to 45 /8s, 132 /16s and 63 /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:                    197893
    Total ARIN prefixes after maximum aggregation:                94548
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:           199901
    Unique aggregates announced from the ARIN address blocks:     91948
ARIN Region origin ASes present in the Internet Routing Table:    17891
    ARIN Prefixes per ASN:                                        11.17
ARIN Region origin ASes announcing only one prefix:                6615
ARIN Region transit ASes present in the Internet Routing Table:    1765
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:    2011
Number of ARIN addresses announced to Internet:              1110673568
    Equivalent to 66 /8s, 51 /16s and 136 /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:                    175540
    Total RIPE prefixes after maximum aggregation:                85525
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           171131
    Unique aggregates announced from the RIPE address blocks:    102774
RIPE Region origin ASes present in the Internet Routing Table:    24103
    RIPE Prefixes per ASN:                                         7.10
RIPE Region origin ASes announcing only one prefix:               11101
RIPE Region transit ASes present in the Internet Routing Table:    3402
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5887
Number of RIPE addresses announced to Internet:               711837824
    Equivalent to 42 /8s, 109 /16s and 200 /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:                   81750
    Total LACNIC prefixes after maximum aggregation:              18287
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:          83002
    Unique aggregates announced from the LACNIC address blocks:   38736
LACNIC Region origin ASes present in the Internet Routing Table:   6001
    LACNIC Prefixes per ASN:                                      13.83
LACNIC Region origin ASes announcing only one prefix:              1653
LACNIC Region transit ASes present in the Internet Routing Table:  1113
Average LACNIC Region AS path length visible:                       5.4
    Max LACNIC Region AS path length visible:                        32
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3514
Number of LACNIC addresses announced to Internet:             170730208
    Equivalent to 10 /8s, 45 /16s and 34 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-266652 + 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:                  17174
    Total AfriNIC prefixes after maximum aggregation:              3805
    AfriNIC Deaggregation factor:                                  4.51
Prefixes being announced from the AfriNIC address blocks:         18833
    Unique aggregates announced from the AfriNIC address blocks:   6915
AfriNIC Region origin ASes present in the Internet Routing Table:  1048
    AfriNIC Prefixes per ASN:                                     17.97
AfriNIC Region origin ASes announcing only one prefix:              332
AfriNIC Region transit ASes present in the Internet Routing Table:  198
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  317
Number of AfriNIC addresses announced to Internet:             91322368
    Equivalent to 5 /8s, 113 /16s and 120 /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         5545       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3942        403     376  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2975        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2783      11137     760  KIXS-AS-KR Korea Telecom, KR
  9829         2747       1499     540  BSNL-NIB National Internet Backbone, IN
  9808         2216       8699      34  CMNET-GD Guangdong Mobile Communication
  4755         2090        422     222  TATACOMM-AS TATA Communications formerl
 45899         1984       1392     107  VNPT-AS-VN VNPT Corp, VN
  7552         1620       1100      66  VIETEL-AS-AP Viettel Corporation, VN
  9498         1582        360     138  BBIL-AP BHARTI Airtel Ltd., IN

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
 22773         3822       2969     154  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3400       1333      80  SHAW - Shaw Communications Inc., CA
 18566         2128        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2066       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         2009       2172     413  CHARTER-NET-HKY-NC - Charter Communicat
   209         1816       5069     639  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1810       3441     585  AMAZON-02 - Amazon.com, Inc., US
 30036         1781        324     315  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1696        854     232  ITCDELTA - Earthlink, Inc., US
   701         1562      10578     636  UUNET - MCI Communications Services, In

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         3338        187      22  ALJAWWALSTC-AS, SA
  8551         3208        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2915        989    2097  AKAMAI-ASN1, US
 34984         2020        328     390  TELLCOM-AS, TR
  9121         1977       1691      17  TTNET, TR
 12479         1598       1044      52  UNI2-AS, ES
 13188         1597         99      55  TRIOLAN, UA
 12389         1524       1408     625  ROSTELECOM-AS, RU
  9198         1325        352      25  KAZTELECOM-AS, KZ
  6849         1225        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
 10620         3545        545     153  Telmex Colombia S.A., CO
  8151         2543       3404     573  Uninet S.A. de C.V., MX
 11830         2084        369      57  Instituto Costarricense de Electricidad
  7303         1568       1010     247  Telecom Argentina S.A., AR
  6503         1538        437      53  Axtel, S.A.B. de C.V., MX
  6147         1267        377      27  Telefonica del Peru S.A.A., PE
  3816         1013        494     186  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573          998       2300     175  CLARO S.A., BR
 11172          906        126      81  Alestra, S. de R.L. de C.V., MX
 18881          895       1052      23  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         1260        398      48  LINKdotNET-AS, EG
 37611          715         67       7  Afrihost, ZA
 36903          713        358     123  MT-MPLS, MA
 36992          627       1375      26  ETISALAT-MISR, EG
 24835          495        850      15  RAYA-AS, EG
 29571          419         36      10  CITelecom-AS, CI
 37492          407        320      75  ORANGE-, TN
  8452          388       1730      17  TE-AS TE-AS, EG
 15399          353         35       7  WANANCHI-, KE
  2018          298        327      74  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         5545       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3942        403     376  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3822       2969     154  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3545        545     153  Telmex Colombia S.A., CO
  6327         3400       1333      80  SHAW - Shaw Communications Inc., CA
 39891         3338        187      22  ALJAWWALSTC-AS, SA
  8551         3208        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 17974         2975        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
 20940         2915        989    2097  AKAMAI-ASN1, US
  4766         2783      11137     760  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
 22773       3822         3668   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3942         3566   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3545         3392   Telmex Colombia S.A., CO
  6327       3400         3320   SHAW - Shaw Communications Inc., CA
 39891       3338         3316   ALJAWWALSTC-AS, SA
  8551       3208         3168   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 17974       2975         2902   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9829       2747         2207   BSNL-NIB National Internet Backbone, IN
  9808       2216         2182   CMNET-GD Guangdong Mobile Communication Co.Ltd.
 11830       2084         2027   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
  65000   PRIVATE      31.219.177.0/25       8966       ETISALAT-AS P.O. Box 1150, Dub
  65000   PRIVATE      31.219.177.128/25     8966       ETISALAT-AS P.O. Box 1150, Dub
  66255   UNALLOCATED  45.6.244.0/22        16735       ALGAR TELECOM S/A, BR
  66255   UNALLOCATED  45.6.245.0/24        16735       ALGAR TELECOM S/A, BR
  66255   UNALLOCATED  45.6.246.0/24        16735       ALGAR TELECOM S/A, BR
  66255   UNALLOCATED  45.6.247.0/24        16735       ALGAR TELECOM S/A, BR
  65010   PRIVATE      46.56.192.0/21       42772       VELCOM-AS, BY
  65010   PRIVATE      46.56.224.0/21       42772       VELCOM-AS, BY
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom

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

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

Network            Origin AS  Description
14.192.48.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.49.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.50.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
14.192.51.0/24      134833    LIHGL-HK LANLIAN INTERNATIONAL HOLDING GROUP LIMITE
27.100.7.0/24        56096    UNKNOWN
36.255.248.0/24      64091    UNKNOWN
36.255.250.0/24      64091    UNKNOWN
41.76.232.0/21       62878    XLITT - Xlitt, US
41.77.248.0/21       62878    XLITT - Xlitt, US
41.78.12.0/23        62878    XLITT - Xlitt, US

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      /11:104     /12:280     
/13:546     /14:1045    /15:1850    /16:13492   /17:7626    /18:13428   
/19:24669   /20:38590   /21:41145   /22:77218   /23:64196   /24:364348  
/25:835     /26:612     /27:643     /28:43      /29:32      /30:26      
/31:3       /32:28      

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

   ASN   No of nets  Total ann.  Description
  6327     3193          3400    SHAW - Shaw Communications Inc., CA
 22773     2971          3822    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 39891     2898          3338    ALJAWWALSTC-AS, SA
  8551     2673          3208    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2021          2128    MEGAPATH5-US - MegaPath Corporation, US
 30036     1577          1781    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 11830     1474          2084    Instituto Costarricense de Electricidad y Telec
 10620     1471          3545    Telmex Colombia S.A., CO
  6389     1373          2066    BELLSOUTH-NET-BLK - BellSouth.net Inc., US
  9121     1369          1977    TTNET, TR

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

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

   1:1604      2:841       4:18        5:2429      6:34        8:1038   
  12:1828     13:122      14:1771     15:27       16:2        17:123    
  18:121      20:57       23:2329     24:1828     25:2        27:2426   
  31:1904     32:83       33:9        35:20       36:414      37:2589   
  38:1325     39:42       40:98       41:2991     42:470      43:1935   
  44:72       45:2755     46:2780     47:122      49:1214     50:983    
  51:18       52:824      54:360      55:5        56:4        57:42     
  58:1600     59:1047     60:391      61:1947     62:1595     63:1913   
  64:4549     65:2208     66:4509     67:2247     68:1229     69:3361   
  70:1148     71:584      72:2179     74:2690     75:387      76:430    
  77:1469     78:1448     79:2503     80:1402     81:1386     82:995    
  83:720      84:877      85:1751     86:483      87:1156     88:766    
  89:2065     90:176      91:6204     92:1027     93:2389     94:2373   
  95:2758     96:622      97:352      98:1054     99:89      100:154    
 101:1270    103:14931   104:2913    105:191     106:483     107:1651   
 108:818     109:2964    110:1427    111:1727    112:1187    113:1237   
 114:1034    115:1697    116:1788    117:1717    118:2164    119:1590   
 120:1031    121:1111    122:2257    123:1817    124:1515    125:1891   
 128:780     129:645     130:440     131:1389    132:530     133:199    
 134:647     135:221     136:455     137:436     138:1947    139:486    
 140:394     141:568     142:759     143:923     144:800     145:181    
 146:1032    147:672     148:1433    149:580     150:713     151:976    
 152:797     153:291     154:814     155:746     156:591     157:636    
 158:452     159:1464    160:661     161:745     162:2521    163:530    
 164:792     165:1225    166:385     167:1254    168:2658    169:777    
 170:3363    171:318     172:1020    173:1908    174:800     175:748    
 176:1848    177:4038    178:2500    179:1162    180:2214    181:1886   
 182:2361    183:995     184:864     185:9850    186:3101    187:2170   
 188:2698    189:1831    190:8184    191:1310    192:9433    193:5786   
 194:4651    195:3891    196:2114    197:1281    198:5494    199:5883   
 200:7435    201:4326    202:10366   203:9994    204:4480    205:2812   
 206:3025    207:3167    208:3981    209:4021    210:3968    211:2147   
 212:2854    213:2484    214:880     215:67      216:5738    217:2102   
 218:851     219:600     220:1649    221:912     222:761     223:1178   


End of report


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