Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jun 16 18:02:51 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 17 Jun, 2017

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

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

BGP routing table entries examined:                              651216
    Prefixes after maximum aggregation (per Origin AS):          253596
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      313678
Total ASes present in the Internet Routing Table:                 57522
    Prefixes per ASN:                                             11.32
Origin-only ASes present in the Internet Routing Table:           49794
Origin ASes announcing only one prefix:                           21982
Transit ASes present in the Internet Routing Table:                7728
Transit-only ASes present in the Internet Routing Table:            221
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      42
    Max AS path prepend of ASN ( 55644)                              36
Prefixes from unregistered ASNs in the Routing Table:                50
    Numnber of instances of unregistered ASNs:                       54
Number of 32-bit ASNs allocated by the RIRs:                      19084
Number of 32-bit ASNs visible in the Routing Table:               14816
Prefixes from 32-bit ASNs in the Routing Table:                   60261
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:            395
Number of addresses announced to Internet:                   2848765156
    Equivalent to 169 /8s, 204 /16s and 180 /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:      216985

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

Prefixes being announced by APNIC Region ASes:                   178613
    Total APNIC prefixes after maximum aggregation:               51337
    APNIC Deaggregation factor:                                    3.48
Prefixes being announced from the APNIC address blocks:          177820
    Unique aggregates announced from the APNIC address blocks:    73451
APNIC Region origin ASes present in the Internet Routing Table:    8177
    APNIC Prefixes per ASN:                                       21.75
APNIC Region origin ASes announcing only one prefix:               2284
APNIC Region transit ASes present in the Internet Routing Table:   1158
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         42
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3010
Number of APNIC addresses announced to Internet:              763804388
    Equivalent to 45 /8s, 134 /16s and 186 /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:                    198323
    Total ARIN prefixes after maximum aggregation:                94647
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           200232
    Unique aggregates announced from the ARIN address blocks:     92051
ARIN Region origin ASes present in the Internet Routing Table:    17902
    ARIN Prefixes per ASN:                                        11.18
ARIN Region origin ASes announcing only one prefix:                6620
ARIN Region transit ASes present in the Internet Routing Table:    1776
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2033
Number of ARIN addresses announced to Internet:              1110205088
    Equivalent to 66 /8s, 44 /16s and 98 /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:                    175032
    Total RIPE prefixes after maximum aggregation:                85556
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           170672
    Unique aggregates announced from the RIPE address blocks:    102495
RIPE Region origin ASes present in the Internet Routing Table:    24125
    RIPE Prefixes per ASN:                                         7.07
RIPE Region origin ASes announcing only one prefix:               11106
RIPE Region transit ASes present in the Internet Routing Table:    3388
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:    5917
Number of RIPE addresses announced to Internet:               711738752
    Equivalent to 42 /8s, 108 /16s and 69 /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:                   82046
    Total LACNIC prefixes after maximum aggregation:              18272
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:          83317
    Unique aggregates announced from the LACNIC address blocks:   38421
LACNIC Region origin ASes present in the Internet Routing Table:   6022
    LACNIC Prefixes per ASN:                                      13.84
LACNIC Region origin ASes announcing only one prefix:              1645
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:  3537
Number of LACNIC addresses announced to Internet:             170651872
    Equivalent to 10 /8s, 43 /16s and 240 /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:                  17102
    Total AfriNIC prefixes after maximum aggregation:              3739
    AfriNIC Deaggregation factor:                                  4.57
Prefixes being announced from the AfriNIC address blocks:         18780
    Unique aggregates announced from the AfriNIC address blocks:   6926
AfriNIC Region origin ASes present in the Internet Routing Table:  1047
    AfriNIC Prefixes per ASN:                                     17.94
AfriNIC Region origin ASes announcing only one prefix:              326
AfriNIC Region transit ASes present in the Internet Routing Table:  204
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:  319
Number of AfriNIC addresses announced to Internet:             91917056
    Equivalent to 5 /8s, 122 /16s and 139 /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         5543       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3929        403     356  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2977        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2787      11137     759  KIXS-AS-KR Korea Telecom, KR
  9829         2752       1499     540  BSNL-NIB National Internet Backbone, IN
  9808         2205       8699      34  CMNET-GD Guangdong Mobile Communication
  4755         2086        422     221  TATACOMM-AS TATA Communications formerl
 45899         1989       1396     108  VNPT-AS-VN VNPT Corp, VN
  7552         1630       1105      70  VIETEL-AS-AP Viettel Corporation, VN
  9498         1591        361     139  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         3809       2969     154  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3419       1333      82  SHAW - Shaw Communications Inc., CA
 18566         2127        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2066       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         2009       2171     419  CHARTER-NET-HKY-NC - Charter Communicat
   209         1816       5068     639  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1814       3441     585  AMAZON-02 - Amazon.com, Inc., US
 30036         1786        325     307  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1696        854     232  ITCDELTA - Earthlink, Inc., US
   701         1561      10578     635  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         3184        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2893        969    2083  AKAMAI-ASN1, US
 34984         2023        329     391  TELLCOM-AS, TR
  9121         1971       1691      17  TTNET, TR
 13188         1614        100      55  TRIOLAN, UA
 12479         1603       1044      53  UNI2-AS, ES
 12389         1525       1408     627  ROSTELECOM-AS, RU
  6849         1226        355      21  UKRTELNET, UA
  8402         1125        544      15  CORBINA-AS OJSC "Vimpelcom", RU

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

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

   ASN   No of nets  /20 equiv  MaxAgg  Description
 10620         3549        546     148  Telmex Colombia S.A., CO
  8151         2542       3404     574  Uninet S.A. de C.V., MX
 11830         2085        369      57  Instituto Costarricense de Electricidad
  7303         1547        989     275  Telecom Argentina S.A., AR
  6503         1540        437      53  Axtel, S.A.B. de C.V., MX
  6147         1298        377      27  Telefonica del Peru S.A.A., PE
  3816         1026        501      94  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573          979       2299     177  CLARO S.A., BR
 11172          910        126      82  Alestra, S. de R.L. de C.V., MX
 18881          896       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         1261        398      48  LINKdotNET-AS, EG
 37611          720         83       7  Afrihost, ZA
 36903          713        358     123  MT-MPLS, MA
 36992          638       1375      26  ETISALAT-MISR, EG
 24835          495        850      15  RAYA-AS, EG
 29571          421         36      10  CITelecom-AS, CI
 37492          407        320      75  ORANGE-, TN
  8452          361       1730      17  TE-AS TE-AS, EG
 15399          353         35       7  WANANCHI-, KE
  2018          300        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         5543       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3929        403     356  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3809       2969     154  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3549        546     148  Telmex Colombia S.A., CO
  6327         3419       1333      82  SHAW - Shaw Communications Inc., CA
 39891         3338        187      22  ALJAWWALSTC-AS, SA
  8551         3184        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 17974         2977        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
 20940         2893        969    2083  AKAMAI-ASN1, US
  4766         2787      11137     759  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       3809         3655   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3929         3573   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3549         3401   Telmex Colombia S.A., CO
  6327       3419         3337   SHAW - Shaw Communications Inc., CA
 39891       3338         3316   ALJAWWALSTC-AS, SA
  8551       3184         3144   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 17974       2977         2904   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9829       2752         2212   BSNL-NIB National Internet Backbone, IN
  9808       2205         2171   CMNET-GD Guangdong Mobile Communication Co.Ltd.
  4766       2787         2028   KIXS-AS-KR Korea Telecom, KR

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
  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
  65538   DOCUMENT     64.27.253.0/24        1273       CW Vodafone Group PLC, GB
  65346   PRIVATE      94.50.36.0/22        31094       TTKNET Tyumen, Russia, RU
  64111   UNALLOCATED  98.159.5.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64111   UNALLOCATED  98.159.7.0/24        19555       KMI-NETWORK - Kinder Morgan, I

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
36.255.250.0/24      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
41.78.180.0/23       37265    -Reserved AS-, ZZ

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     /14:1046    /15:1847    /16:13485   /17:7630    /18:13432   
/19:24628   /20:38586   /21:41176   /22:77437   /23:64125   /24:364605  
/25:841     /26:608     /27:644     /28:43      /29:32      /30:25      
/31:3       /32:29      

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

   ASN   No of nets  Total ann.  Description
  6327     3210          3419    SHAW - Shaw Communications Inc., CA
 22773     2972          3809    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 39891     2898          3338    ALJAWWALSTC-AS, SA
  8551     2649          3184    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2020          2127    MEGAPATH5-US - MegaPath Corporation, US
 30036     1579          1786    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 11830     1475          2085    Instituto Costarricense de Electricidad y Telec
 10620     1474          3549    Telmex Colombia S.A., CO
  6389     1373          2066    BELLSOUTH-NET-BLK - BellSouth.net Inc., US
  9121     1363          1971    TTNET, TR

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

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

   1:1605      2:824       4:18        5:2431      6:34        8:1031   
  12:1830     13:122      14:1762     15:26       16:2        17:124    
  18:91       20:57       23:2366     24:1838     25:2        27:2434   
  31:1910     32:86       33:9        35:20       36:411      37:2329   
  38:1320     39:45       40:97       41:3019     42:463      43:1940   
  44:72       45:2777     46:2790     47:140      49:1225     50:984    
  51:18       52:825      54:363      55:6        56:4        57:42     
  58:1591     59:1048     60:391      61:1954     62:1602     63:1915   
  64:4558     65:2219     66:4519     67:2253     68:1241     69:3385   
  70:1147     71:585      72:2180     74:2691     75:386      76:431    
  77:1487     78:1450     79:2439     80:1399     81:1398     82:996    
  83:709      84:898      85:1747     86:481      87:1146     88:766    
  89:2071     90:176      91:6166     92:975      93:2379     94:2377   
  95:2681     96:624      97:353      98:1052     99:86      100:154    
 101:1272    103:15041   104:2923    105:194     106:489     107:1662   
 108:819     109:3013    110:1432    111:1724    112:1194    113:1233   
 114:1029    115:1716    116:1799    117:1719    118:2145    119:1592   
 120:1037    121:1111    122:2255    123:1819    124:1503    125:1897   
 128:776     129:646     130:431     131:1401    132:531     133:199    
 134:653     135:225     136:455     137:436     138:1930    139:489    
 140:395     141:571     142:760     143:928     144:793     145:181    
 146:1018    147:690     148:1432    149:581     150:706     151:974    
 152:707     153:302     154:816     155:750     156:600     157:647    
 158:449     159:1478    160:678     161:744     162:2525    163:533    
 164:794     165:1221    166:386     167:1252    168:2684    169:785    
 170:3383    171:319     172:1016    173:1913    174:811     175:748    
 176:1880    177:4079    178:2477    179:1176    180:2215    181:1897   
 182:2366    183:998     184:859     185:9851    186:3134    187:2223   
 188:2688    189:1814    190:8203    191:1353    192:9441    193:5787   
 194:4652    195:3909    196:2114    197:1313    198:5501    199:5894   
 200:7439    201:4334    202:10349   203:9956    204:4489    205:2816   
 206:3036    207:3167    208:3990    209:4025    210:3970    211:2148   
 212:2857    213:2491    214:889     215:66      216:5735    217:2102   
 218:855     219:600     220:1658    221:913     222:762     223:1176   


End of report


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