[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Apr 7 18:02:49 UTC 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 08 Apr, 2017

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

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

BGP routing table entries examined:                              642751
    Prefixes after maximum aggregation (per Origin AS):          250189
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      310009
Total ASes present in the Internet Routing Table:                 56796
    Prefixes per ASN:                                             11.32
Origin-only ASes present in the Internet Routing Table:           49177
Origin ASes announcing only one prefix:                           21797
Transit ASes present in the Internet Routing Table:                7619
Transit-only ASes present in the Internet Routing Table:            223
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      41
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:                73
    Numnber of instances of unregistered ASNs:                       74
Number of 32-bit ASNs allocated by the RIRs:                      18044
Number of 32-bit ASNs visible in the Routing Table:               14026
Prefixes from 32-bit ASNs in the Routing Table:                   56775
Number of bogon 32-bit ASNs visible in the Routing Table:            43
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            412
Number of addresses announced to Internet:                   2841742212
    Equivalent to 169 /8s, 97 /16s and 139 /24s
    Percentage of available address space announced:               76.8
    Percentage of allocated address space announced:               76.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.5
Total number of prefixes smaller than registry allocations:      214349

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

Prefixes being announced by APNIC Region ASes:                   175591
    Total APNIC prefixes after maximum aggregation:               50325
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          174783
    Unique aggregates announced from the APNIC address blocks:    72288
APNIC Region origin ASes present in the Internet Routing Table:    7988
    APNIC Prefixes per ASN:                                       21.88
APNIC Region origin ASes announcing only one prefix:               2237
APNIC Region transit ASes present in the Internet Routing Table:   1126
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         41
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2828
Number of APNIC addresses announced to Internet:              762664324
    Equivalent to 45 /8s, 117 /16s and 85 /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:                    195706
    Total ARIN prefixes after maximum aggregation:                93686
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:           197959
    Unique aggregates announced from the ARIN address blocks:     90655
ARIN Region origin ASes present in the Internet Routing Table:    17863
    ARIN Prefixes per ASN:                                        11.08
ARIN Region origin ASes announcing only one prefix:                6643
ARIN Region transit ASes present in the Internet Routing Table:    1761
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1888
Number of ARIN addresses announced to Internet:              1108062880
    Equivalent to 66 /8s, 11 /16s and 178 /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:                    174069
    Total RIPE prefixes after maximum aggregation:                84644
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           169509
    Unique aggregates announced from the RIPE address blocks:    101592
RIPE Region origin ASes present in the Internet Routing Table:    23887
    RIPE Prefixes per ASN:                                         7.10
RIPE Region origin ASes announcing only one prefix:               11040
RIPE Region transit ASes present in the Internet Routing Table:    3392
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5713
Number of RIPE addresses announced to Internet:               711008384
    Equivalent to 42 /8s, 97 /16s and 32 /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:                   80417
    Total LACNIC prefixes after maximum aggregation:              17772
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:          81622
    Unique aggregates announced from the LACNIC address blocks:   38229
LACNIC Region origin ASes present in the Internet Routing Table:   5776
    LACNIC Prefixes per ASN:                                      14.13
LACNIC Region origin ASes announcing only one prefix:              1555
LACNIC Region transit ASes present in the Internet Routing Table:  1050
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3296
Number of LACNIC addresses announced to Internet:             170352864
    Equivalent to 10 /8s, 39 /16s and 96 /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:                  16861
    Total AfriNIC prefixes after maximum aggregation:              3702
    AfriNIC Deaggregation factor:                                  4.55
Prefixes being announced from the AfriNIC address blocks:         18466
    Unique aggregates announced from the AfriNIC address blocks:   6885
AfriNIC Region origin ASes present in the Internet Routing Table:  1032
    AfriNIC Prefixes per ASN:                                     17.89
AfriNIC Region origin ASes announcing only one prefix:              322
AfriNIC Region transit ASes present in the Internet Routing Table:  204
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  301
Number of AfriNIC addresses announced to Internet:             89177600
    Equivalent to 5 /8s, 80 /16s and 190 /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         5569       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3774        391     265  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2991        903      72  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2760      11150     755  KIXS-AS-KR Korea Telecom, KR
  9829         2732       1499     540  BSNL-NIB National Internet Backbone, IN
  9808         2195       8698      33  CMNET-GD Guangdong Mobile Communication
 45899         2135       1372     112  VNPT-AS-VN VNPT Corp, VN
  4755         2069        421     220  TATACOMM-AS TATA Communications formerl
  9583         1573        121     541  SIFY-AS-IN Sify Limited, IN
  4808         1568       1791     447  CHINA169-BJ China Unicom Beijing Provin

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         3692       2969     152  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3377       1333      83  SHAW - Shaw Communications Inc., CA
 18566         2186        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2068       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         1986       2107     404  CHARTER-NET-HKY-NC - Charter Communicat
   209         1790       5067     637  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1760       3321     563  AMAZON-02 - Amazon.com, Inc., US
 30036         1729        321     378  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1684        854     231  ITCDELTA - Earthlink, Inc., US
   701         1571      10580     645  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         3334        171      18  ALJAWWALSTC-AS, SA
  8551         3250        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2968       1071    2109  AKAMAI-ASN1, US
  9121         2690       1691      17  TTNET, TR
 34984         2009        328     385  TELLCOM-AS, TR
 13188         1643         99      51  TRIOLAN, UA
 12479         1542       1043      53  UNI2-AS, ES
 12389         1378       1288     571  ROSTELECOM-AS, RU
  9198         1323        352      23  KAZTELECOM-AS, KZ
  6849         1252        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         3541        546     149  Telmex Colombia S.A., CO
  8151         2515       3393     551  Uninet S.A. de C.V., MX
 11830         1820        369      57  Instituto Costarricense de Electricidad
  7303         1555       1003     247  Telecom Argentina S.A., AR
  6503         1540        437      53  Axtel, S.A.B. de C.V., MX
  6147         1262        377      27  Telefonica del Peru S.A.A., PE
 28573         1083       2294     182  CLARO S.A., BR
  3816         1020        488     182  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11664         1001        280      35  Techtel LMDS Comunicaciones Interactiva
 17072          940        118     407  TOTAL PLAY TELECOMUNICACIONES SA DE CV,

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         1267        399      42  LINKdotNET-AS, EG
 36903          717        360     122  MT-MPLS, MA
 37611          699         67       6  Afrihost, ZA
 36992          622       1375      26  ETISALAT-MISR, EG
 24835          497        722      14  RAYA-AS, EG
  8452          450       1730      17  TE-AS TE-AS, EG
 37492          399        318      73  ORANGE-, TN
 29571          367         36      10  CITelecom-AS, CI
 15399          343         35       7  WANANCHI-, KE
  2018          288        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         5569       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3774        391     265  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3692       2969     152  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3541        546     149  Telmex Colombia S.A., CO
  6327         3377       1333      83  SHAW - Shaw Communications Inc., CA
 39891         3334        171      18  ALJAWWALSTC-AS, SA
  8551         3250        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 17974         2991        903      72  TELKOMNET-AS2-AP PT Telekomunikasi Indo
 20940         2968       1071    2109  AKAMAI-ASN1, US
  4766         2760      11150     755  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       3692         3540   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3774         3509   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3541         3392   Telmex Colombia S.A., CO
 39891       3334         3316   ALJAWWALSTC-AS, SA
  6327       3377         3294   SHAW - Shaw Communications Inc., CA
  8551       3250         3209   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 17974       2991         2919   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9121       2690         2673   TTNET, TR
  9829       2732         2192   BSNL-NIB National Internet Backbone, IN
  9808       2195         2162   CMNET-GD Guangdong Mobile Communication Co.Ltd.

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

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

Bad AS    Designation  Network              Transit AS  Description
  65001   PRIVATE      5.143.176.0/20       15468       KLGELECS-AS 38, Teatralnaya st
  65602   UNALLOCATED  8.225.192.0/24       30372       SUNESYS2 - Sunesys, LLC, US
  65001   PRIVATE      31.172.192.0/20      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.192.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.200.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.208.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  65001   PRIVATE      31.172.216.0/21      15468       KLGELECS-AS 38, Teatralnaya st
  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
  65001   PRIVATE      46.237.32.0/20       13118       ASN-YARTELECOM PJSC Rostelecom

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

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

Network            Origin AS  Description
23.161.128.0/17     393899    -Reserved AS-, ZZ
27.100.7.0/24        56096    UNKNOWN
41.76.232.0/21      203496    AB-TELECOM, RU
41.77.248.0/21      203496    AB-TELECOM, RU
41.78.12.0/23       203496    AB-TELECOM, RU
41.78.180.0/23       37265    -Reserved AS-, ZZ
41.242.132.0/23     203496    AB-TELECOM, RU
43.224.140.0/24      38197    SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited - 
43.224.141.0/24      38197    SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited - 
43.224.142.0/24      38197    SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited - 

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        /8:16       /9:13      /10:36      /11:103     /12:281     
/13:538     /14:1044    /15:1827    /16:13232   /17:7585    /18:13377   
/19:24696   /20:38388   /21:41313   /22:75924   /23:63107   /24:359886  
/25:558     /26:413     /27:297     /28:40      /29:25      /30:25      
/31:1       /32:26      

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

   ASN   No of nets  Total ann.  Description
  6327     3168          3377    SHAW - Shaw Communications Inc., CA
 39891     2896          3334    ALJAWWALSTC-AS, SA
 22773     2859          3692    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2729          3250    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2079          2186    MEGAPATH5-US - MegaPath Corporation, US
  9121     1906          2690    TTNET, TR
 30036     1535          1729    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1461          3541    Telmex Colombia S.A., CO
  6389     1375          2068    BELLSOUTH-NET-BLK - BellSouth.net Inc., US
 13188     1368          1643    TRIOLAN, UA

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

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

   1:1610      2:852       4:26        5:2437      6:34        8:1066   
  12:1822     13:108      14:1797     15:22       16:2        17:115    
  18:130      19:1        20:56       23:2200     24:1857     25:2      
  27:2379     31:1892     32:89       33:5        35:19       36:391    
  37:2547     38:1349     39:45       40:99       41:2956     42:466    
  43:1902     44:68       45:2497     46:2753     47:115      49:1177   
  50:967      51:18       52:802      54:360      55:6        56:4      
  57:41       58:1661     59:1020     60:387      61:1944     62:1522   
  63:1912     64:4580     65:2209     66:4534     67:2266     68:1191   
  69:3325     70:1305     71:568      72:2158     74:2631     75:404    
  76:427      77:1467     78:1659     79:2159     80:1368     81:1419   
  82:967      83:733      84:877      85:1792     86:489      87:1153   
  88:800      89:2050     90:168      91:6134     92:1028     93:2390   
  94:2344     95:2830     96:572      97:359      98:957      99:88     
 100:155     101:1258    103:14215   104:2817    105:171     106:499    
 107:1578    108:812     109:3351    110:1336    111:1736    112:1164   
 113:1351    114:1035    115:1805    116:1791    117:1687    118:2143   
 119:1585    120:967     121:1096    122:2196    123:1831    124:1538   
 125:1857    128:750     129:621     130:448     131:1413    132:520    
 133:190     134:616     135:219     136:516     137:431     138:1876   
 139:423     140:379     141:541     142:744     143:936     144:770    
 145:169     146:1029    147:667     148:1376    149:557     150:714    
 151:948     152:751     153:299     154:793     155:737     156:565    
 157:613     158:445     159:1458    160:567     161:748     162:2464   
 163:517     164:803     165:1166    166:387     167:1232    168:2612   
 169:770     170:3102    171:291     172:999     173:1822    174:809    
 175:733     176:1824    177:4011    178:2489    179:1129    180:2198   
 181:1855    182:2291    183:978     184:842     185:9264    186:3242   
 187:2172    188:2622    189:1782    190:8125    191:1264    192:9372   
 193:5784    194:4655    195:3846    196:2019    197:1271    198:5552   
 199:5871    200:7368    201:4131    202:10285   203:9829    204:4469   
 205:2759    206:3001    207:3120    208:3912    209:3958    210:3976   
 211:2113    212:2821    213:2473    214:862     215:66      216:5872   
 217:2059    218:828     219:605     220:1668    221:908     222:737    
 223:1167   

End of report


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