[SANOG] Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Mar 24 18:02:52 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 25 Mar, 2017

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

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

BGP routing table entries examined:                              639326
    Prefixes after maximum aggregation (per Origin AS):          249732
    Deaggregation factor:                                          2.56
    Unique aggregates announced (without unneeded subnets):      309219
Total ASes present in the Internet Routing Table:                 56642
    Prefixes per ASN:                                             11.29
Origin-only ASes present in the Internet Routing Table:           49032
Origin ASes announcing only one prefix:                           21726
Transit ASes present in the Internet Routing Table:                7610
Transit-only ASes present in the Internet Routing Table:            213
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:                75
    Numnber of instances of unregistered ASNs:                       76
Number of 32-bit ASNs allocated by the RIRs:                      17833
Number of 32-bit ASNs visible in the Routing Table:               13867
Prefixes from 32-bit ASNs in the Routing Table:                   56285
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:            412
Number of addresses announced to Internet:                   2839257668
    Equivalent to 169 /8s, 59 /16s and 162 /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:      212171

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

Prefixes being announced by APNIC Region ASes:                   175163
    Total APNIC prefixes after maximum aggregation:               50255
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          174442
    Unique aggregates announced from the APNIC address blocks:    72098
APNIC Region origin ASes present in the Internet Routing Table:    7950
    APNIC Prefixes per ASN:                                       21.94
APNIC Region origin ASes announcing only one prefix:               2232
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:   2789
Number of APNIC addresses announced to Internet:              762323332
    Equivalent to 45 /8s, 112 /16s and 33 /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:                    195124
    Total ARIN prefixes after maximum aggregation:                93482
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:           197529
    Unique aggregates announced from the ARIN address blocks:     90549
ARIN Region origin ASes present in the Internet Routing Table:    17854
    ARIN Prefixes per ASN:                                        11.06
ARIN Region origin ASes announcing only one prefix:                6629
ARIN Region transit ASes present in the Internet Routing Table:    1771
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:    1862
Number of ARIN addresses announced to Internet:              1107930528
    Equivalent to 66 /8s, 9 /16s and 173 /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:                    171945
    Total RIPE prefixes after maximum aggregation:                84500
    RIPE Deaggregation factor:                                     2.03
Prefixes being announced from the RIPE address blocks:           167206
    Unique aggregates announced from the RIPE address blocks:    101222
RIPE Region origin ASes present in the Internet Routing Table:    23840
    RIPE Prefixes per ASN:                                         7.01
RIPE Region origin ASes announcing only one prefix:               11007
RIPE Region transit ASes present in the Internet Routing Table:    3375
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:    5667
Number of RIPE addresses announced to Internet:               710463104
    Equivalent to 42 /8s, 88 /16s and 206 /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:                   80179
    Total LACNIC prefixes after maximum aggregation:              17733
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:          81383
    Unique aggregates announced from the LACNIC address blocks:   38177
LACNIC Region origin ASes present in the Internet Routing Table:   5728
    LACNIC Prefixes per ASN:                                      14.21
LACNIC Region origin ASes announcing only one prefix:              1539
LACNIC Region transit ASes present in the Internet Routing Table:  1045
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        36
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3250
Number of LACNIC addresses announced to Internet:             170312864
    Equivalent to 10 /8s, 38 /16s and 196 /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:                  16805
    Total AfriNIC prefixes after maximum aggregation:              3699
    AfriNIC Deaggregation factor:                                  4.54
Prefixes being announced from the AfriNIC address blocks:         18354
    Unique aggregates announced from the AfriNIC address blocks:   6815
AfriNIC Region origin ASes present in the Internet Routing Table:  1028
    AfriNIC Prefixes per ASN:                                     17.85
AfriNIC Region origin ASes announcing only one prefix:              319
AfriNIC Region transit ASes present in the Internet Routing Table:  203
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       22
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  299
Number of AfriNIC addresses announced to Internet:             87706880
    Equivalent to 5 /8s, 58 /16s and 77 /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         5563       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3773        391     262  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2998        905      72  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2761      11150     755  KIXS-AS-KR Korea Telecom, KR
  9829         2719       1499     540  BSNL-NIB National Internet Backbone, IN
  9808         2276       8649      45  CMNET-GD Guangdong Mobile Communication
  4755         2069        421     220  TATACOMM-AS TATA Communications formerl
 45899         1902       1325     112  VNPT-AS-VN VNPT Corp, VN
  9583         1571        121     540  SIFY-AS-IN Sify Limited, IN
 24560         1563        579     256  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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         3678       2969     152  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3355       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         1981       2086     407  CHARTER-NET-HKY-NC - Charter Communicat
   209         1783       5067     641  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1779       3325     568  AMAZON-02 - Amazon.com, Inc., US
 30036         1726        320     391  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1690        854     231  ITCDELTA - Earthlink, Inc., US
   701         1577      10586     649  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         3064       1129    2171  AKAMAI-ASN1, US
  9121         2670       1691      17  TTNET, TR
 34984         2004        328     382  TELLCOM-AS, TR
  8551         1648        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 13188         1647         99      59  TRIOLAN, UA
 12479         1533       1043      53  UNI2-AS, ES
 12389         1351       1273     553  ROSTELECOM-AS, RU
  9198         1306        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         3540        545     179  Telmex Colombia S.A., CO
  8151         2510       3385     547  Uninet S.A. de C.V., MX
 11830         1819        369      57  Instituto Costarricense de Electricidad
  7303         1554       1002     247  Telecom Argentina S.A., AR
  6503         1542        437      53  Axtel, S.A.B. de C.V., MX
  6147         1252        377      27  Telefonica del Peru S.A.A., PE
 28573         1066       2292     189  CLARO S.A., BR
  3816         1002        479     183  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11664          990        280      35  Techtel LMDS Comunicaciones Interactiva
 17072          936        118     409  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         1312        399      43  LINKdotNET-AS, EG
 36903          717        360     127  MT-MPLS, MA
 37611          698         67       6  Afrihost, ZA
 36992          601       1375      26  ETISALAT-MISR, EG
 24835          497        722      14  RAYA-AS, EG
  8452          442       1474      16  TE-AS TE-AS, EG
 37492          399        318      73  ORANGE-, TN
 29571          367         36      10  CITelecom-AS, CI
 15399          340         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         5563       4190      74  ERX-CERNET-BKB China Education and Rese
  7545         3773        391     262  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3678       2969     152  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3540        545     179  Telmex Colombia S.A., CO
  6327         3355       1333      83  SHAW - Shaw Communications Inc., CA
 39891         3334        171      18  ALJAWWALSTC-AS, SA
 20940         3064       1129    2171  AKAMAI-ASN1, US
 17974         2998        905      72  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2761      11150     755  KIXS-AS-KR Korea Telecom, KR
  9829         2719       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       3678         3526   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       3773         3511   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3540         3361   Telmex Colombia S.A., CO
 39891       3334         3316   ALJAWWALSTC-AS, SA
  6327       3355         3272   SHAW - Shaw Communications Inc., CA
 17974       2998         2926   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9121       2670         2653   TTNET, TR
  9808       2276         2231   CMNET-GD Guangdong Mobile Communication Co.Ltd.
  9829       2719         2179   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
  65555   UNALLOCATED  37.142.172.0/24      21450       MIRS-AS, IL
  65555   UNALLOCATED  37.142.175.0/24      21450       MIRS-AS, IL
  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
23.157.128.0/17     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     /12:281     
/13:538     /14:1050    /15:1824    /16:13235   /17:7569    /18:13369   
/19:24586   /20:38323   /21:41168   /22:75594   /23:62679   /24:357567  
/25:554     /26:415     /27:296     /28:35      /29:23      /30:25      
/31:1       /32:26      

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

   ASN   No of nets  Total ann.  Description
  6327     3147          3355    SHAW - Shaw Communications Inc., CA
 39891     2896          3334    ALJAWWALSTC-AS, SA
 22773     2848          3678    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2079          2186    MEGAPATH5-US - MegaPath Corporation, US
  9121     1886          2670    TTNET, TR
 30036     1533          1726    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1457          3540    Telmex Colombia S.A., CO
  6389     1375          2068    BELLSOUTH-NET-BLK - BellSouth.net Inc., US
 13188     1371          1647    TRIOLAN, UA
  6983     1327          1690    ITCDELTA - Earthlink, Inc., US

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

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

   1:1615      2:844       4:26        5:2484      6:34        8:1057   
  12:1815     13:92       14:1790     15:22       16:2        17:113    
  18:129      19:1        20:55       23:2142     24:1856     25:2      
  27:2373     31:1890     32:89       33:5        35:19       36:386    
  37:2563     38:1354     39:45       40:100      41:2942     42:460    
  43:1900     44:64       45:2451     46:2709     47:114      49:1212   
  50:971      51:18       52:780      54:360      55:7        56:4      
  57:41       58:1630     59:991      60:388      61:1941     62:1499   
  63:1923     64:4587     65:2206     66:4545     67:2272     68:1195   
  69:3333     70:1305     71:578      72:2173     74:2635     75:406    
  76:425      77:1434     78:1647     79:1316     80:1354     81:1403   
  82:966      83:724      84:859      85:1757     86:485      87:1146   
  88:794      89:2056     90:172      91:6138     92:1029     93:2383   
  94:2380     95:2818     96:570      97:359      98:952      99:85     
 100:155     101:1256    103:14044   104:2781    105:165     106:489    
 107:1567    108:821     109:2598    110:1292    111:1719    112:1165   
 113:1328    114:1029    115:1735    116:1771    117:1688    118:2067   
 119:1604    120:969     121:1092    122:2358    123:2053    124:1539   
 125:1821    128:741     129:619     130:418     131:1399    132:521    
 133:190     134:605     135:221     136:519     137:428     138:1871   
 139:417     140:374     141:538     142:739     143:921     144:768    
 145:170     146:1030    147:666     148:1378    149:563     150:703    
 151:946     152:730     153:306     154:754     155:979     156:563    
 157:605     158:443     159:1434    160:562     161:735     162:2445   
 163:521     164:789     165:1199    166:389     167:1235    168:2583   
 169:771     170:3020    171:285     172:982     173:1812    174:803    
 175:730     176:1802    177:4022    178:2493    179:1130    180:2183   
 181:1913    182:2245    183:1050    184:835     185:9163    186:3215   
 187:2192    188:2506    189:1784    190:8120    191:1281    192:9366   
 193:5779    194:4661    195:3861    196:1981    197:1252    198:5555   
 199:5867    200:7421    201:4119    202:10244   203:9801    204:4480   
 205:2760    206:3004    207:3109    208:3912    209:3965    210:3959   
 211:2109    212:2802    213:2471    214:856     215:64      216:5929   
 217:2034    218:834     219:619     220:1705    221:906     222:723    
 223:1164   

End of report


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