Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Jul 28 18:02:37 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 29 Jul, 2017

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

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

BGP routing table entries examined:                              656283
    Prefixes after maximum aggregation (per Origin AS):          255445
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      316497
Total ASes present in the Internet Routing Table:                 57870
    Prefixes per ASN:                                             11.34
Origin-only ASes present in the Internet Routing Table:           50062
Origin ASes announcing only one prefix:                           22111
Transit ASes present in the Internet Routing Table:                7808
Transit-only ASes present in the Internet Routing Table:            220
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      36
    Max AS path prepend of ASN ( 55644)                              31
Prefixes from unregistered ASNs in the Routing Table:               109
    Numnber of instances of unregistered ASNs:                      113
Number of 32-bit ASNs allocated by the RIRs:                      19595
Number of 32-bit ASNs visible in the Routing Table:               15249
Prefixes from 32-bit ASNs in the Routing Table:                   62208
Number of bogon 32-bit ASNs visible in the Routing Table:            62
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            335
Number of addresses announced to Internet:                   2850653156
    Equivalent to 169 /8s, 233 /16s and 131 /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:      218235

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

Prefixes being announced by APNIC Region ASes:                   179818
    Total APNIC prefixes after maximum aggregation:               51619
    APNIC Deaggregation factor:                                    3.48
Prefixes being announced from the APNIC address blocks:          178843
    Unique aggregates announced from the APNIC address blocks:    74040
APNIC Region origin ASes present in the Internet Routing Table:    8246
    APNIC Prefixes per ASN:                                       21.69
APNIC Region origin ASes announcing only one prefix:               2298
APNIC Region transit ASes present in the Internet Routing Table:   1173
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3100
Number of APNIC addresses announced to Internet:              763610596
    Equivalent to 45 /8s, 131 /16s and 197 /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:                    200082
    Total ARIN prefixes after maximum aggregation:                95218
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           201993
    Unique aggregates announced from the ARIN address blocks:     92842
ARIN Region origin ASes present in the Internet Routing Table:    17937
    ARIN Prefixes per ASN:                                        11.26
ARIN Region origin ASes announcing only one prefix:                6649
ARIN Region transit ASes present in the Internet Routing Table:    1768
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:    2117
Number of ARIN addresses announced to Internet:              1110017696
    Equivalent to 66 /8s, 41 /16s and 134 /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:                    175626
    Total RIPE prefixes after maximum aggregation:                86230
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           171445
    Unique aggregates announced from the RIPE address blocks:    103380
RIPE Region origin ASes present in the Internet Routing Table:    24230
    RIPE Prefixes per ASN:                                         7.08
RIPE Region origin ASes announcing only one prefix:               11135
RIPE Region transit ASes present in the Internet Routing Table:    3416
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:    6035
Number of RIPE addresses announced to Internet:               712884352
    Equivalent to 42 /8s, 125 /16s and 192 /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:                   83448
    Total LACNIC prefixes after maximum aggregation:              18518
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:          84697
    Unique aggregates announced from the LACNIC address blocks:   39005
LACNIC Region origin ASes present in the Internet Routing Table:   6139
    LACNIC Prefixes per ASN:                                      13.80
LACNIC Region origin ASes announcing only one prefix:              1696
LACNIC Region transit ASes present in the Internet Routing Table:  1138
Average LACNIC Region AS path length visible:                       5.4
    Max LACNIC Region AS path length visible:                        27
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  3666
Number of LACNIC addresses announced to Internet:             170886624
    Equivalent to 10 /8s, 47 /16s and 133 /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:                  17198
    Total AfriNIC prefixes after maximum aggregation:              3803
    AfriNIC Deaggregation factor:                                  4.52
Prefixes being announced from the AfriNIC address blocks:         18970
    Unique aggregates announced from the AfriNIC address blocks:   6925
AfriNIC Region origin ASes present in the Internet Routing Table:  1063
    AfriNIC Prefixes per ASN:                                     17.85
AfriNIC Region origin ASes announcing only one prefix:              332
AfriNIC Region transit ASes present in the Internet Routing Table:  212
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  331
Number of AfriNIC addresses announced to Internet:             92850944
    Equivalent to 5 /8s, 136 /16s and 203 /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         5342       4191      76  ERX-CERNET-BKB China Education and Rese
  7545         4019        407     388  TPG-INTERNET-AP TPG Telecom Limited, AU
 17974         2967        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4766         2797      11125     745  KIXS-AS-KR Korea Telecom, KR
  9829         2752       1498     549  BSNL-NIB National Internet Backbone, IN
  9808         2318       8699      32  CMNET-GD Guangdong Mobile Communication
 45899         2209       1435     138  VNPT-AS-VN VNPT Corp, VN
  4755         2101        423     223  TATACOMM-AS TATA Communications formerl
  7552         1652       1104      73  VIETEL-AS-AP Viettel Corporation, VN
  9498         1611        361     143  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         3820       2952     157  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3443       1341      86  SHAW - Shaw Communications Inc., CA
 18566         2177        405     109  MEGAPATH5-US - MegaPath Corporation, US
  6389         2066       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 20115         2015       2186     425  CHARTER-NET-HKY-NC - Charter Communicat
   209         1846       5066     637  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1822       3859     574  AMAZON-02 - Amazon.com, Inc., US
 30036         1814        327     292  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  6983         1696        854     231  ITCDELTA - Earthlink, Inc., US
   701         1562      10559     631  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         2942        968    2127  AKAMAI-ASN1, US
  8551         2560        377      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984         2050        332     423  TELLCOM-AS, TR
  9121         1939       1691      17  TTNET, TR
 12479         1634       1048      59  UNI2-AS, ES
 13188         1602        100      55  TRIOLAN, UA
 12389         1523       1422     641  ROSTELECOM-AS, RU
  6849         1225        355      21  UKRTELNET, UA
  8402         1068        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         3542        543     210  Telmex Colombia S.A., CO
  8151         2650       3401     578  Uninet S.A. de C.V., MX
 11830         2087        369      57  Instituto Costarricense de Electricidad
  6503         1556        437      53  Axtel, S.A.B. de C.V., MX
  7303         1555       1015     244  Telecom Argentina S.A., AR
  6147         1235        377      27  Telefonica del Peru S.A.A., PE
  3816         1024        501      93  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573          956       2293     195  CLARO S.A., BR
 11172          917        126      83  Alestra, S. de R.L. de C.V., MX
 18881          897       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         1243        398      51  LINKdotNET-AS, EG
 37611          742         91       8  Afrihost, ZA
 36903          711        357     130  MT-MPLS, MA
 36992          650       1375      26  ETISALAT-MISR, EG
 24835          501        850      15  RAYA-AS, EG
 29571          421         36      10  CITelecom-AS, CI
 37492          406        320      75  ORANGE-, TN
 15399          356         35       7  WANANCHI-, KE
  8452          313       1730      17  TE-AS TE-AS, EG
  2018          303        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         5342       4191      76  ERX-CERNET-BKB China Education and Rese
  7545         4019        407     388  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773         3820       2952     157  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3542        543     210  Telmex Colombia S.A., CO
  6327         3443       1341      86  SHAW - Shaw Communications Inc., CA
 39891         3387        186      23  ALJAWWALSTC-AS, SA
 17974         2967        902      73  TELKOMNET-AS2-AP PT Telekomunikasi Indo
 20940         2942        968    2127  AKAMAI-ASN1, US
  4766         2797      11125     745  KIXS-AS-KR Korea Telecom, KR
  9829         2752       1498     549  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       3820         3663   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7545       4019         3631   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3387         3364   ALJAWWALSTC-AS, SA
  6327       3443         3357   SHAW - Shaw Communications Inc., CA
 10620       3542         3332   Telmex Colombia S.A., CO
 17974       2967         2894   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  8551       2560         2520   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  9808       2318         2286   CMNET-GD Guangdong Mobile Communication Co.Ltd.
  9829       2752         2203   BSNL-NIB National Internet Backbone, IN
  8151       2650         2072   Uninet S.A. de C.V., MX

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
  65532   PRIVATE      14.192.19.0/24      132717       NDCTPL-IN NxtGen Datacenter & 
  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-
  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
  65534   PRIVATE      58.68.109.0/24       10201       DWL-AS-IN Dishnet Wireless Lim
4294901876   PRIVATE      59.101.19.0/24        2764       AAPT AAPT Limited, AU

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
23.131.64.0/24        7247    MOJO - Mojo Networks, US
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

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     /12:284     
/13:553     /14:1049    /15:1849    /16:13464   /17:7631    /18:13418   
/19:24677   /20:38620   /21:41455   /22:78255   /23:64997   /24:367611  
/25:875     /26:622     /27:645     /28:36      /29:25      /30:18      
/31:2       /32:28      

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

   ASN   No of nets  Total ann.  Description
  6327     3241          3443    SHAW - Shaw Communications Inc., CA
 22773     2990          3820    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 39891     2946          3387    ALJAWWALSTC-AS, SA
 18566     2070          2177    MEGAPATH5-US - MegaPath Corporation, US
  8551     2025          2560    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1602          1814    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1481          3542    Telmex Colombia S.A., CO
 11830     1477          2087    Instituto Costarricense de Electricidad y Telec
 11492     1389          1548    CABLEONE - CABLE ONE, INC., US
  6389     1372          2066    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)
----------------------------------------------

   1:1578      2:818       4:18        5:2435      6:34        8:1049   
  12:1835     13:130      14:1723     15:28       16:2        17:159    
  18:90       20:61       23:2448     24:1910     25:2        27:2459   
  29:1        31:1913     32:84       33:18       35:21       36:388    
  37:2350     38:1344     39:65       40:101      41:3005     42:461    
  43:1951     44:72       45:2977     46:2813     47:156      49:1217   
  50:994      51:19       52:823      54:363      55:7        56:4      
  57:44       58:1551     59:1023     60:347      61:1958     62:1697   
  63:1918     64:4634     65:2214     66:4571     67:2283     68:1245   
  69:3372     70:1156     71:585      72:2202     74:2693     75:389    
  76:427      77:1515     78:1416     79:1952     80:1416     81:1386   
  82:1002     83:719      84:943      85:1788     86:458      87:1181   
  88:754      89:2127     90:165      91:6198     92:994      93:2373   
  94:2389     95:2661     96:639      97:350      98:1061     99:90     
 100:154     101:1224    103:15459   104:3007    105:189     106:546    
 107:1771    108:825     109:2900    110:1457    111:1731    112:1213   
 113:1246    114:1036    115:1723    116:1755    117:1723    118:2136   
 119:1658    120:1075    121:1105    122:2270    123:1821    124:1483   
 125:1843    128:800     129:645     130:435     131:1425    132:552    
 133:201     134:667     135:225     136:451     137:458     138:1919   
 139:504     140:399     141:600     142:776     143:887     144:804    
 145:183     146:1087    147:684     148:1492    149:585     150:709    
 151:981     152:697     153:298     154:853     155:748     156:637    
 157:654     158:471     159:1518    160:728     161:739     162:2513   
 163:537     164:927     165:1376    166:371     167:1230    168:2972   
 169:837     170:3427    171:328     172:1024    173:1989    174:806    
 175:743     176:1895    177:3944    178:2553    179:1148    180:2206   
 181:1884    182:2363    183:1007    184:870     185:10256   186:3244   
 187:2218    188:2616    189:1803    190:8342    191:1364    192:9527   
 193:5787    194:4679    195:3915    196:2083    197:1335    198:5509   
 199:5899    200:7547    201:4345    202:10347   203:9970    204:4491   
 205:2824    206:3036    207:3145    208:3954    209:3968    210:3948   
 211:2145    212:2865    213:2523    214:856     215:66      216:5885   
 217:2123    218:906     219:601     220:1703    221:931     222:742    
 223:1189   

End of report


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