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[apops] Weekly Routing Table Report



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, SANOG, PacNOG, SAFNOG
MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats@lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz@gmail.com>.

Routing Table Report   04:00 +10GMT Sat 30 Sep, 2017

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

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

BGP routing table entries examined:                              664412
    Prefixes after maximum aggregation (per Origin AS):          258107
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      320310
Total ASes present in the Internet Routing Table:                 58459
    Prefixes per ASN:                                             11.37
Origin-only ASes present in the Internet Routing Table:           50491
Origin ASes announcing only one prefix:                           22271
Transit ASes present in the Internet Routing Table:                7968
Transit-only ASes present in the Internet Routing Table:            230
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      55
    Max AS path prepend of ASN ( 55644)                              51
Prefixes from unregistered ASNs in the Routing Table:                91
    Number of instances of unregistered ASNs:                        91
Number of 32-bit ASNs allocated by the RIRs:                      20109
Number of 32-bit ASNs visible in the Routing Table:               15925
Prefixes from 32-bit ASNs in the Routing Table:                   65301
Number of bogon 32-bit ASNs visible in the Routing Table:            20
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            359
Number of addresses announced to Internet:                   2851720800
    Equivalent to 169 /8s, 249 /16s and 206 /24s
    Percentage of available address space announced:               77.0
    Percentage of allocated address space announced:               77.0
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.7
Total number of prefixes smaller than registry allocations:      219606

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

Prefixes being announced by APNIC Region ASes:                   183498
    Total APNIC prefixes after maximum aggregation:               52398
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          182418
    Unique aggregates announced from the APNIC address blocks:    74771
APNIC Region origin ASes present in the Internet Routing Table:    8348
    APNIC Prefixes per ASN:                                       21.85
APNIC Region origin ASes announcing only one prefix:               2300
APNIC Region transit ASes present in the Internet Routing Table:   1198
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         55
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3207
Number of APNIC addresses announced to Internet:              765499872
    Equivalent to 45 /8s, 160 /16s and 153 /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:                    199474
    Total ARIN prefixes after maximum aggregation:                95708
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:           201183
    Unique aggregates announced from the ARIN address blocks:     93502
ARIN Region origin ASes present in the Internet Routing Table:    17897
    ARIN Prefixes per ASN:                                        11.24
ARIN Region origin ASes announcing only one prefix:                6628
ARIN Region transit ASes present in the Internet Routing Table:    1779
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2191
Number of ARIN addresses announced to Internet:              1107083552
    Equivalent to 65 /8s, 252 /16s and 193 /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:                    177712
    Total RIPE prefixes after maximum aggregation:                86956
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           173663
    Unique aggregates announced from the RIPE address blocks:    104888
RIPE Region origin ASes present in the Internet Routing Table:    24439
    RIPE Prefixes per ASN:                                         7.11
RIPE Region origin ASes announcing only one prefix:               11209
RIPE Region transit ASes present in the Internet Routing Table:    3480
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6225
Number of RIPE addresses announced to Internet:               713272704
    Equivalent to 42 /8s, 131 /16s and 173 /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:                   86153
    Total LACNIC prefixes after maximum aggregation:              19113
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:          87391
    Unique aggregates announced from the LACNIC address blocks:   39768
LACNIC Region origin ASes present in the Internet Routing Table:   6436
    LACNIC Prefixes per ASN:                                      13.58
LACNIC Region origin ASes announcing only one prefix:              1793
LACNIC Region transit ASes present in the Internet Routing Table:  1187
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:  3958
Number of LACNIC addresses announced to Internet:             172130784
    Equivalent to 10 /8s, 66 /16s and 129 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-268700 + 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:                  17482
    Total AfriNIC prefixes after maximum aggregation:              3857
    AfriNIC Deaggregation factor:                                  4.53
Prefixes being announced from the AfriNIC address blocks:         19398
    Unique aggregates announced from the AfriNIC address blocks:   7096
AfriNIC Region origin ASes present in the Internet Routing Table:  1073
    AfriNIC Prefixes per ASN:                                     18.08
AfriNIC Region origin ASes announcing only one prefix:              340
AfriNIC Region transit ASes present in the Internet Routing Table:  208
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  344
Number of AfriNIC addresses announced to Internet:             93275136
    Equivalent to 5 /8s, 143 /16s and 68 /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         5270       4192      76  ERX-CERNET-BKB China Education and Rese
  7545         3970        407     406  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2857        900      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2788      11126     753  KIXS-AS-KR Korea Telecom, KR
  9829         2754       1499     540  BSNL-NIB National Internet Backbone, IN
 45899         2389       1472     112  VNPT-AS-VN VNPT Corp, VN
  9808         2367       8699      32  CMNET-GD Guangdong Mobile Communication
  9394         2175       4931      27  CTTNET China TieTong Telecommunications
  4755         2106        423     222  TATACOMM-AS TATA Communications formerl
  4134         1746      28203     462  CHINANET-BACKBONE No.31,Jin-rong Street

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
  6327         3442       1341      88  SHAW - Shaw Communications Inc., CA
 22773         3295       2952     157  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2208        405     107  MEGAPATH5-US - MegaPath Corporation, US
  6389         2045       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         2041       2254     430  CHARTER-NET-HKY-NC - Charter Communicat
   209         1923       5067     645  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1834       3963     546  AMAZON-02 - Amazon.com, Inc., US
 30036         1809        322     355  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1688        853     228  ITCDELTA - Earthlink, Inc., US
   701         1679      10589     626  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         3387        186      23  ALJAWWALSTC-AS, SA
 20940         2884        898    2068  AKAMAI-ASN1, US
  8551         2448        377      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984         2049        330     429  TELLCOM-AS, TR
 12389         1803       1662     687  ROSTELECOM-AS, RU
 12479         1722       1055      71  UNI2-AS, ES
  9121         1720       1691      17  TTNET, TR
 13188         1604        100      52  TRIOLAN, UA
  6849         1225        355      21  UKRTELNET, UA
  8402         1208        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         3564        541     244  Telmex Colombia S.A., CO
  8151         3208       3467     580  Uninet S.A. de C.V., MX
 11830         2097        370      65  Instituto Costarricense de Electricidad
  6503         1564        437      53  Axtel, S.A.B. de C.V., MX
  7303         1548       1015     242  Telecom Argentina S.A., AR
  6147         1278        377      27  Telefonica del Peru S.A.A., PE
  3816         1033        510      92  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573          962       2285     181  CLARO S.A., BR
 11172          915        127      87  Alestra, S. de R.L. de C.V., MX
 18881          901       1056      24  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         1205        398      48  LINKdotNET-AS, EG
 37611          767         91       8  Afrihost, ZA
 36903          708        356     136  MT-MPLS, MA
 36992          665       1383      31  ETISALAT-MISR, EG
 24835          515        850      15  RAYA-AS, EG
 29571          422         36      10  CITelecom-AS, CI
 37492          416        354      77  ORANGE-, TN
  8452          398       1730      18  TE-AS TE-AS, EG
 15399          357         35       7  WANANCHI-, KE
  2018          297        327      73  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         5270       4192      76  ERX-CERNET-BKB China Education and Rese
  7545         3970        407     406  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3564        541     244  Telmex Colombia S.A., CO
  6327         3442       1341      88  SHAW - Shaw Communications Inc., CA
 39891         3387        186      23  ALJAWWALSTC-AS, SA
 22773         3295       2952     157  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  8151         3208       3467     580  Uninet S.A. de C.V., MX
 20940         2884        898    2068  AKAMAI-ASN1, US
 17974         2857        900      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2788      11126     753  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
  7545       3970         3564   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3387         3364   ALJAWWALSTC-AS, SA
  6327       3442         3354   SHAW - Shaw Communications Inc., CA
 10620       3564         3320   Telmex Colombia S.A., CO
 22773       3295         3138   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 17974       2857         2780   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  8151       3208         2628   Uninet S.A. de C.V., MX
  8551       2448         2407   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  9808       2367         2335   CMNET-GD Guangdong Mobile Communication Co.Ltd.
 45899       2389         2277   VNPT-AS-VN VNPT Corp, VN

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
  64525   PRIVATE      45.119.143.0/24     133275       GIGANTIC-AS Gigantic Infotel P
  64525   PRIVATE      45.125.62.0/24      133275       GIGANTIC-AS Gigantic Infotel P
  65530   PRIVATE      45.249.40.0/24      133720       SOFTCALLCOC-AS SOFT CALL CUST-
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  65534   PRIVATE      58.68.109.0/24       10201       DWL-AS-IN Dishnet Wireless Lim
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
290012147   UNALLOCATED  63.65.43.0/24         7046       RFC2270-UUNET-CUSTOMER - MCI C
  65538   DOCUMENT     64.27.253.0/24        1273       CW Vodafone Group PLC, GB
  65099   PRIVATE      95.173.150.0/24      43797       RSNET2-AS RSNET2, RU

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
23.128.126.0/23      62878    XLITT - Xlitt, US
27.100.7.0/24        56096    UNKNOWN
41.78.12.0/23        62878    XLITT - Xlitt, US
41.78.180.0/23       37265    -Reserved AS-, ZZ
41.242.132.0/23      62878    XLITT - Xlitt, US
43.228.144.0/22       9829    BSNL-NIB National Internet Backbone, IN

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      /11:105     /12:283     
/13:554     /14:1051    /15:1864    /16:13424   /17:7766    /18:13656   
/19:25316   /20:39490   /21:42801   /22:80287   /23:65309   /24:369979  
/25:853     /26:627     /27:654     /28:37      /29:39      /30:217     
/31:2       /32:34      

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

   ASN   No of nets  Total ann.  Description
  6327     3238          3442    SHAW - Shaw Communications Inc., CA
 39891     2946          3387    ALJAWWALSTC-AS, SA
 22773     2519          3295    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2094          2208    MEGAPATH5-US - MegaPath Corporation, US
  8551     1913          2448    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1589          1809    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1521          3564    Telmex Colombia S.A., CO
 11830     1487          2097    Instituto Costarricense de Electricidad y Telec
 34984     1356          2049    TELLCOM-AS, TR
  6389     1355          2045    BELLSOUTH-NET-BLK - BellSouth.net Inc., US

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

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

   1:1560      2:840       4:18        5:2485      6:33        7:1      
   8:1072     12:1853     13:157      14:1722     15:28       16:3      
  17:172      18:76       20:59       23:2459     24:1609     25:2      
  27:2387     29:1        31:1929     32:89       33:22       35:21     
  36:408      37:2355     38:1384     39:73       40:97       41:2974   
  42:494      43:1965     44:81       45:3099     46:2821     47:171    
  49:1253     50:1012     51:19       52:824      54:354      55:2      
  56:4        57:44       58:1580     59:982      60:352      61:2022   
  62:1711     63:1907     64:4711     65:2207     66:4557     67:2288   
  68:1191     69:3340     70:1161     71:613      72:2143     74:2646   
  75:402      76:429      77:1504     78:1520     79:1890     80:1415   
  81:1403     82:1024     83:724      84:974      85:1882     86:465    
  87:1212     88:806      89:2231     90:172      91:6240     92:1038   
  93:2346     94:2369     95:2659     96:634      97:353      98:961    
  99:95      100:153     101:1224    102:1       103:15915   104:3036   
 105:207     106:542     107:1763    108:830     109:2917    110:1469   
 111:1754    112:1275    113:1305    114:1069    115:1559    116:1689   
 117:1782    118:2141    119:1644    120:725     121:1072    122:2432   
 123:1872    124:1501    125:1800    128:916     129:677     130:444    
 131:1507    132:599     133:193     134:733     135:225     136:305    
 137:466     138:1962    139:522     140:379     141:669     142:750    
 143:928     144:787     145:184     146:1110    147:701     148:1497   
 149:589     150:702     151:1000    152:716     153:300     154:917    
 155:761     156:686     157:732     158:516     159:1559    160:771    
 161:748     162:2503    163:507     164:984     165:1428    166:384    
 167:1289    168:3010    169:844     170:3566    171:383     172:989    
 173:1946    174:775     175:781     176:1867    177:3941    178:2527   
 179:1153    180:2210    181:2076    182:2454    183:769     184:886    
 185:10836   186:3268    187:2250    188:2590    189:1850    190:8405   
 191:1363    192:9604    193:5800    194:4732    195:3930    196:2133   
 197:1373    198:5470    199:5799    200:7608    201:4428    202:10350  
 203:9972    204:4490    205:2838    206:2960    207:3111    208:3872   
 209:3929    210:3931    211:2070    212:2879    213:2537    214:838    
 215:66      216:5796    217:2103    218:958     219:590     220:1676   
 221:922     222:759     223:1202   

End of report