[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Mar 31 18:02:41 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 01 Apr, 2017

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

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

BGP routing table entries examined:                              640530
    Prefixes after maximum aggregation (per Origin AS):          249983
    Deaggregation factor:                                          2.56
    Unique aggregates announced (without unneeded subnets):      309623
Total ASes present in the Internet Routing Table:                 56735
    Prefixes per ASN:                                             11.29
Origin-only ASes present in the Internet Routing Table:           49101
Origin ASes announcing only one prefix:                           21741
Transit ASes present in the Internet Routing Table:                7634
Transit-only ASes present in the Internet Routing Table:            218
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:                76
    Numnber of instances of unregistered ASNs:                       77
Number of 32-bit ASNs allocated by the RIRs:                      17957
Number of 32-bit ASNs visible in the Routing Table:               13960
Prefixes from 32-bit ASNs in the Routing Table:                   56752
Number of bogon 32-bit ASNs visible in the Routing Table:            46
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            407
Number of addresses announced to Internet:                   2840219780
    Equivalent to 169 /8s, 74 /16s and 80 /24s
    Percentage of available address space announced:               76.7
    Percentage of allocated address space announced:               76.7
    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:      212596

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

Prefixes being announced by APNIC Region ASes:                   175385
    Total APNIC prefixes after maximum aggregation:               50122
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          174735
    Unique aggregates announced from the APNIC address blocks:    72195
APNIC Region origin ASes present in the Internet Routing Table:    7980
    APNIC Prefixes per ASN:                                       21.90
APNIC Region origin ASes announcing only one prefix:               2239
APNIC Region transit ASes present in the Internet Routing Table:   1126
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         41
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2813
Number of APNIC addresses announced to Internet:              762402692
    Equivalent to 45 /8s, 113 /16s and 87 /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:                    195495
    Total ARIN prefixes after maximum aggregation:                93596
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:           197776
    Unique aggregates announced from the ARIN address blocks:     90567
ARIN Region origin ASes present in the Internet Routing Table:    17861
    ARIN Prefixes per ASN:                                        11.07
ARIN Region origin ASes announcing only one prefix:                6625
ARIN Region transit ASes present in the Internet Routing Table:    1767
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:    1874
Number of ARIN addresses announced to Internet:              1108038560
    Equivalent to 66 /8s, 11 /16s and 83 /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:                    172535
    Total RIPE prefixes after maximum aggregation:                84680
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           167831
    Unique aggregates announced from the RIPE address blocks:    101427
RIPE Region origin ASes present in the Internet Routing Table:    23855
    RIPE Prefixes per ASN:                                         7.04
RIPE Region origin ASes announcing only one prefix:               11015
RIPE Region transit ASes present in the Internet Routing Table:    3399
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:    5692
Number of RIPE addresses announced to Internet:               710893696
    Equivalent to 42 /8s, 95 /16s and 96 /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:                   80218
    Total LACNIC prefixes after maximum aggregation:              17811
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:          81413
    Unique aggregates announced from the LACNIC address blocks:   38215
LACNIC Region origin ASes present in the Internet Routing Table:   5758
    LACNIC Prefixes per ASN:                                      14.14
LACNIC Region origin ASes announcing only one prefix:              1536
LACNIC Region transit ASes present in the Internet Routing Table:  1051
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:  3279
Number of LACNIC addresses announced to Internet:             170316512
    Equivalent to 10 /8s, 38 /16s and 210 /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:                  16786
    Total AfriNIC prefixes after maximum aggregation:              3711
    AfriNIC Deaggregation factor:                                  4.52
Prefixes being announced from the AfriNIC address blocks:         18368
    Unique aggregates announced from the AfriNIC address blocks:   6864
AfriNIC Region origin ASes present in the Internet Routing Table:  1033
    AfriNIC Prefixes per ASN:                                     17.78
AfriNIC Region origin ASes announcing only one prefix:              326
AfriNIC Region transit ASes present in the Internet Routing Table:  201
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  302
Number of AfriNIC addresses announced to Internet:             88060160
    Equivalent to 5 /8s, 63 /16s and 177 /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         5566       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3778        391     262  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2992        904      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2762      11150     756  KIXS-AS-KR Korea Telecom, KR
  9829         2729       1499     540  BSNL-NIB National Internet Backbone, IN
  9808         2271       8649      45  CMNET-GD Guangdong Mobile Communication
  4755         2071        421     220  TATACOMM-AS TATA Communications formerl
 45899         1947       1332     113  VNPT-AS-VN VNPT Corp, VN
  9583         1573        121     541  SIFY-AS-IN Sify Limited, IN
  4808         1566       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         3687       2969     152  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3348       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         1982       2094     408  CHARTER-NET-HKY-NC - Charter Communicat
 16509         1792       3357     573  AMAZON-02 - Amazon.com, Inc., US
   209         1789       5067     640  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1728        321     392  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1684        854     231  ITCDELTA - Earthlink, Inc., US
   701         1573      10582     647  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
 20940         3056       1125    2171  AKAMAI-ASN1, US
  9121         2685       1691      17  TTNET, TR
 34984         2005        328     384  TELLCOM-AS, TR
  8551         1649        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 13188         1645         99      59  TRIOLAN, UA
 12479         1548       1043      53  UNI2-AS, ES
 12389         1379       1288     572  ROSTELECOM-AS, RU
  9198         1281        352      23  KAZTELECOM-AS, KZ
  6849         1265        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        545     174  Telmex Colombia S.A., CO
  8151         2516       3389     549  Uninet S.A. de C.V., MX
 11830         1820        369      57  Instituto Costarricense de Electricidad
  7303         1555       1003     248  Telecom Argentina S.A., AR
  6503         1541        437      53  Axtel, S.A.B. de C.V., MX
  6147         1214        377      27  Telefonica del Peru S.A.A., PE
 28573         1066       2293     185  CLARO S.A., BR
  3816         1020        488     182  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11664          988        280      35  Techtel LMDS Comunicaciones Interactiva
 11172          925        126      79  Alestra, S. de R.L. de C.V., MX

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         1313        399      43  LINKdotNET-AS, EG
 36903          717        360     127  MT-MPLS, MA
 37611          700         67       6  Afrihost, ZA
 36992          598       1375      26  ETISALAT-MISR, EG
 24835          497        722      14  RAYA-AS, EG
  8452          438       1474      16  TE-AS TE-AS, EG
 37492          399        318      73  ORANGE-, TN
 29571          368         36      10  CITelecom-AS, CI
 15399          341         35       7  WANANCHI-, KE
  2018          287        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         5566       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3778        391     262  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3687       2969     152  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3541        545     174  Telmex Colombia S.A., CO
  6327         3348       1333      83  SHAW - Shaw Communications Inc., CA
 39891         3334        171      18  ALJAWWALSTC-AS, SA
 20940         3056       1125    2171  AKAMAI-ASN1, US
 17974         2992        904      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2762      11150     756  KIXS-AS-KR Korea Telecom, KR
  9829         2729       1499     540  BSNL-NIB National Internet Backbone, IN

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       3687         3535   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3778         3516   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3541         3367   Telmex Colombia S.A., CO
 39891       3334         3316   ALJAWWALSTC-AS, SA
  6327       3348         3265   SHAW - Shaw Communications Inc., CA
 17974       2992         2919   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9121       2685         2668   TTNET, TR
  9808       2271         2226   CMNET-GD Guangdong Mobile Communication Co.Ltd.
  9829       2729         2189   BSNL-NIB National Internet Backbone, IN
 18566       2186         2077   MEGAPATH5-US - MegaPath Corporation, US

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
  65555   UNALLOCATED  37.142.172.0/24      21450       MIRS-AS, IL

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

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

Network            Origin AS  Description
23.157.128.0/17     393899    -Reserved AS-, ZZ
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 - 

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     /12:280     
/13:538     /14:1051    /15:1827    /16:13229   /17:7571    /18:13365   
/19:24622   /20:38269   /21:41237   /22:75790   /23:63097   /24:358116  
/25:551     /26:413     /27:291     /28:39      /29:25      /30:24      
/31:1       /32:26      

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

   ASN   No of nets  Total ann.  Description
  6327     3139          3348    SHAW - Shaw Communications Inc., CA
 39891     2896          3334    ALJAWWALSTC-AS, SA
 22773     2854          3687    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2079          2186    MEGAPATH5-US - MegaPath Corporation, US
  9121     1901          2685    TTNET, TR
 30036     1534          1728    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1458          3541    Telmex Colombia S.A., CO
  6389     1375          2068    BELLSOUTH-NET-BLK - BellSouth.net Inc., US
 13188     1369          1645    TRIOLAN, UA
  6983     1323          1684    ITCDELTA - Earthlink, Inc., US

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

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

   1:1617      2:842       4:26        5:2479      6:34        8:1062   
  12:1819     13:107      14:1797     15:22       16:2        17:113    
  18:129      19:1        20:55       23:2179     24:1852     25:2      
  27:2380     31:1897     32:89       33:5        34:1        35:19     
  36:384      37:2563     38:1358     39:45       40:99       41:2924   
  42:461      43:1909     44:67       45:2487     46:2754     47:114    
  49:1207     50:964      51:18       52:799      54:360      55:7      
  56:4        57:41       58:1657     59:1019     60:388      61:1950   
  62:1524     63:1920     64:4611     65:2206     66:4534     67:2272   
  68:1192     69:3329     70:1306     71:570      72:2162     74:2636   
  75:405      76:425      77:1467     78:1656     79:1317     80:1361   
  81:1415     82:968      83:726      84:877      85:1787     86:487    
  87:1150     88:798      89:2068     90:167      91:6142     92:1024   
  93:2389     94:2373     95:2828     96:565      97:359      98:952    
  99:85      100:155     101:1282    103:14176   104:2799    105:163    
 106:494     107:1561    108:814     109:2603    110:1285    111:1733   
 112:1169    113:1342    114:1033    115:1799    116:1786    117:1687   
 118:2073    119:1581    120:956     121:1099    122:2181    123:1845   
 124:1536    125:1852    128:735     129:619     130:419     131:1415   
 132:517     133:190     134:606     135:219     136:518     137:429    
 138:1886    139:422     140:377     141:540     142:737     143:917    
 144:769     145:170     146:1029    147:663     148:1376    149:552    
 150:705     151:948     152:748     153:314     154:783     155:982    
 156:564     157:610     158:442     159:1458    160:568     161:751    
 162:2460    163:517     164:798     165:1169    166:390     167:1233   
 168:2600    169:771     170:3052    171:289     172:995     173:1819   
 174:808     175:740     176:1803    177:4060    178:2490    179:1120   
 180:2203    181:1895    182:2293    183:978     184:835     185:9232   
 186:3270    187:2199    188:2535    189:1779    190:8041    191:1271   
 192:9377    193:5773    194:4657    195:3844    196:1986    197:1263   
 198:5549    199:5876    200:7353    201:4099    202:10293   203:9840   
 204:4479    205:2758    206:3002    207:3112    208:3912    209:3954   
 210:3960    211:2113    212:2806    213:2506    214:864     215:64     
 216:5872    217:2039    218:840     219:612     220:1714    221:910    
 222:735     223:1166   

End of report


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