Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Oct 28 18:01:31 UTC 2016


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,
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 Oct, 2016

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

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

BGP routing table entries examined:                              619119
    Prefixes after maximum aggregation (per Origin AS):          220712
    Deaggregation factor:                                          2.81
    Unique aggregates announced (without unneeded subnets):      300943
Total ASes present in the Internet Routing Table:                 55082
    Prefixes per ASN:                                             11.24
Origin-only ASes present in the Internet Routing Table:           36320
Origin ASes announcing only one prefix:                           15327
Transit ASes present in the Internet Routing Table:                6532
Transit-only ASes present in the Internet Routing Table:            167
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      37
    Max AS path prepend of ASN ( 55644)                              31
Prefixes from unregistered ASNs in the Routing Table:                52
    Unregistered ASNs in the Routing Table:                          16
Number of 32-bit ASNs allocated by the RIRs:                      15924
Number of 32-bit ASNs visible in the Routing Table:               12230
Prefixes from 32-bit ASNs in the Routing Table:                   49420
Number of bogon 32-bit ASNs visible in the Routing Table:           281
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            352
Number of addresses announced to Internet:                   2828482468
    Equivalent to 168 /8s, 151 /16s and 55 /24s
    Percentage of available address space announced:               76.4
    Percentage of allocated address space announced:               76.4
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.3
Total number of prefixes smaller than registry allocations:      203450

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

Prefixes being announced by APNIC Region ASes:                   156739
    Total APNIC prefixes after maximum aggregation:               42750
    APNIC Deaggregation factor:                                    3.67
Prefixes being announced from the APNIC address blocks:          170488
    Unique aggregates announced from the APNIC address blocks:    69969
APNIC Region origin ASes present in the Internet Routing Table:    5173
    APNIC Prefixes per ASN:                                       32.96
APNIC Region origin ASes announcing only one prefix:               1140
APNIC Region transit ASes present in the Internet Routing Table:    947
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:   2444
Number of APNIC addresses announced to Internet:              758852036
    Equivalent to 45 /8s, 59 /16s and 41 /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:                    187849
    Total ARIN prefixes after maximum aggregation:                89675
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:           193888
    Unique aggregates announced from the ARIN address blocks:     89398
ARIN Region origin ASes present in the Internet Routing Table:    16158
    ARIN Prefixes per ASN:                                        12.00
ARIN Region origin ASes announcing only one prefix:                5667
ARIN Region transit ASes present in the Internet Routing Table:    1712
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:    1549
Number of ARIN addresses announced to Internet:              1105484960
    Equivalent to 65 /8s, 228 /16s and 92 /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:                    147174
    Total RIPE prefixes after maximum aggregation:                72269
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           157973
    Unique aggregates announced from the RIPE address blocks:     97288
RIPE Region origin ASes present in the Internet Routing Table:    18133
    RIPE Prefixes per ASN:                                         8.71
RIPE Region origin ASes announcing only one prefix:                7797
RIPE Region transit ASes present in the Internet Routing Table:    3036
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:    5080
Number of RIPE addresses announced to Internet:               708894976
    Equivalent to 42 /8s, 64 /16s and 225 /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:                   62909
    Total LACNIC prefixes after maximum aggregation:              12672
    LACNIC Deaggregation factor:                                   4.96
Prefixes being announced from the LACNIC address blocks:          79235
    Unique aggregates announced from the LACNIC address blocks:   37500
LACNIC Region origin ASes present in the Internet Routing Table:   2479
    LACNIC Prefixes per ASN:                                      31.96
LACNIC Region origin ASes announcing only one prefix:               553
LACNIC Region transit ASes present in the Internet Routing Table:   593
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        22
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2886
Number of LACNIC addresses announced to Internet:             170733632
    Equivalent to 10 /8s, 45 /16s and 48 /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:                  14975
    Total AfriNIC prefixes after maximum aggregation:              3338
    AfriNIC Deaggregation factor:                                  4.49
Prefixes being announced from the AfriNIC address blocks:         17183
    Unique aggregates announced from the AfriNIC address blocks:   6467
AfriNIC Region origin ASes present in the Internet Routing Table:   736
    AfriNIC Prefixes per ASN:                                     23.35
AfriNIC Region origin ASes announcing only one prefix:              170
AfriNIC Region transit ASes present in the Internet Routing Table:  180
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:  271
Number of AfriNIC addresses announced to Internet:             84162560
    Equivalent to 5 /8s, 4 /16s and 56 /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     5540       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3584        382         248   TPG-INTERNET-AP TPG Telecom Limited, AU
17974     2958        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9829     2694       1497         530   BSNL-NIB National Internet Backbone, IN
 4766     2692      11132         739   KIXS-AS-KR Korea Telecom, KR
 9808     2231       8781          42   CMNET-GD Guangdong Mobile Communication
 4755     2050        429         215   TATACOMM-AS TATA Communications formerl
 4808     1768       2291         520   CHINA169-BJ China Unicom Beijing Provin
45899     1603       1239          93   VNPT-AS-VN VNPT Corp, VN
24560     1558        520         227   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     3550       2965         146   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 6327     2986       1333          83   SHAW - Shaw Communications Inc., CA
18566     2197        405         110   MEGAPATH5-US - MegaPath Corporation, US
 6389     2095       3671          39   BELLSOUTH-NET-BLK - BellSouth.net Inc.,
20115     1946       1999         405   CHARTER-NET-HKY-NC - Charter Communicat
30036     1767        338         328   MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
  209     1725       5067         658   CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 6983     1679        848         227   ITCDELTA - Earthlink, Inc., US
  701     1610      10658         670   UUNET - MCI Communications Services, In
 7018     1483      20476        1048   ATT-INTERNET4 - AT&T Services, Inc., US

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     3329        169          15   ALJAWWALSTC-AS , SA
20940     2871       1079        2043   AKAMAI-ASN1 , US
34984     1987        326         358   TELLCOM-AS , TR
13188     1623         99          59   TRIOLAN , UA
12479     1376       1018          49   UNI2-AS , ES
 8551     1204        377          46   BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 6849     1142        355          21   UKRTELNET , UA
 8402     1113        544          15   CORBINA-AS Russia, RU
12389      950       1135         422   ROSTELECOM-AS , RU
 6830      862       2755         463   LGI-UPC formerly known as UPC Broadband

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     3506        541         191   Telmex Colombia S.A., CO
 8151     2286       3358         553   Uninet S.A. de C.V., MX
 7303     1541        964         248   Telecom Argentina S.A., AR
 6503     1444        437          54   Axtel, S.A.B. de C.V., MX
11830     1325        367          58   Instituto Costarricense de Electricidad
 6147     1235        377          28   Telefonica del Peru S.A.A., PE
 7738     1018       1882          40   Telemar Norte Leste S.A., BR
28573     1007       2264         166   CLARO S.A., BR
 3816      978        473         195   COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172      906        126          76   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     1185        402          50   LINKdotNET-AS, EG
36903      680        342         128   MT-MPLS, MA
37611      672         67           6   Afrihost, ZA
36992      566       1373          25   ETISALAT-MISR, EG
 8452      513       1472          15   TE-AS TE-AS, EG
37492      386        250          69   ORANGE-TN, TN
29571      364         37          12   CITelecom-AS, CI
24835      313        560          19   RAYA-AS, EG
15399      307         35           6   WANANCHI-KE, KE
 2018      269        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     5540       4190          74   ERX-CERNET-BKB China Education and Rese
 7545     3584        382         248   TPG-INTERNET-AP TPG Telecom Limited, AU
22773     3550       2965         146   ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
10620     3506        541         191   Telmex Colombia S.A., CO
39891     3329        169          15   ALJAWWALSTC-AS , SA
 6327     2986       1333          83   SHAW - Shaw Communications Inc., CA
17974     2958        905          71   TELKOMNET-AS2-AP PT Telekomunikasi Indo
20940     2871       1079        2043   AKAMAI-ASN1 , US
 9829     2694       1497         530   BSNL-NIB National Internet Backbone, IN
 4766     2692      11132         739   KIXS-AS-KR Korea Telecom, KR

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

Global Per AS Maximum Aggr summary
----------------------------------

  ASN   No of nets  Net Savings Description
22773      3550        3404      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 7545      3584        3336      TPG-INTERNET-AP TPG Telecom Limited, AU
10620      3506        3315      Telmex Colombia S.A., CO
39891      3329        3314      ALJAWWALSTC-AS , SA
 6327      2986        2903      SHAW - Shaw Communications Inc., CA
17974      2958        2887      TELKOMNET-AS2-AP PT Telekomunikasi Indo
 9808      2231        2189      CMNET-GD Guangdong Mobile Communication
 9829      2694        2164      BSNL-NIB National Internet Backbone, IN
18566      2197        2087      MEGAPATH5-US - MegaPath Corporation, US
 6389      2095        2056      BELLSOUTH-NET-BLK - BellSouth.net Inc.,

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
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
64855   PRIVATE      41.220.200.0/21      36945       mcelISP, MZ
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
27.100.7.0/24        56096     UNKNOWN
41.73.1.0/24         37004     -Reserved AS-, ZZ
41.73.2.0/24         37004     -Reserved AS-, ZZ
41.73.3.0/24         37004     -Reserved AS-, ZZ
41.73.4.0/24         37004     -Reserved AS-, ZZ
41.73.5.0/24         37004     -Reserved AS-, ZZ
41.73.6.0/24         37004     -Reserved AS-, ZZ
41.73.7.0/24         37004     -Reserved AS-, ZZ
41.73.8.0/24         37004     -Reserved AS-, ZZ
41.73.9.0/24         37004     -Reserved AS-, ZZ

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

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:13      /10:36      /11:102     /12:273     
/13:522     /14:1048    /15:1781    /16:13144   /17:7835    /18:12976   
/19:25476   /20:38773   /21:40443   /22:71412   /23:60071   /24:343970  
/25:451     /26:345     /27:293     /28:58      /29:34      /30:14      
/31:1       /32:32      

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

  ASN   No of nets  Total ann.   Description
39891     2896          3329      ALJAWWALSTC-AS , SA
 6327     2782          2986      SHAW - Shaw Communications Inc., CA
22773     2770          3550      ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
18566     2089          2197      MEGAPATH5-US - MegaPath Corporation, US
30036     1582          1767      MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
10620     1433          3506      Telmex Colombia S.A., CO
 6389     1393          2095      BELLSOUTH-NET-BLK - BellSouth.net Inc.,
13188     1362          1623      TRIOLAN , UA
 6983     1325          1679      ITCDELTA - Earthlink, Inc., US
34984     1272          1987      TELLCOM-AS , TR

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

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

   1:1541      2:800       4:23        5:2239      6:32        8:992    
  12:1805     13:50       14:1743     15:46       16:2        17:100    
  18:126      20:48       23:1876     24:1807     27:2355     31:1795   
  32:83       33:4        35:3        36:330      37:2388     38:1280   
  39:34       40:101      41:2985     42:463      43:1881     44:48     
  45:2212     46:2624     47:104      49:1214     50:928      51:14     
  52:557      53:2        54:351      55:7        56:4        57:40     
  58:1578     59:995      60:378      61:1837     62:1525     63:1936   
  64:4580     65:2175     66:4329     67:2255     68:1145     69:3303   
  70:1292     71:563      72:2078     74:2592     75:404      76:416    
  77:1428     78:1301     79:909      80:1309     81:1405     82:985    
  83:706      84:893      85:1590     86:479      87:1125     88:560    
  89:2053     90:222      91:6121     92:934      93:2360     94:2401   
  95:2487     96:555      97:345      98:945      99:89      100:147    
 101:1171    103:12713   104:2545    105:129     106:450     107:1432   
 108:777     109:2505    110:1277    111:1644    112:1128    113:1142   
 114:1091    115:1688    116:1672    117:1550    118:2070    119:1568   
 120:953     121:1075    122:2264    123:2030    124:1576    125:1822   
 128:693     129:451     130:415     131:1371    132:610     133:175    
 134:512     135:200     136:400     137:395     138:1799    139:435    
 140:598     141:453     142:676     143:928     144:734     145:166    
 146:949     147:660     148:1379    149:535     150:655     151:885    
 152:685     153:302     154:693     155:937     156:534     157:536    
 158:410     159:1273    160:555     161:721     162:2416    163:588    
 164:775     165:1129    166:348     167:1199    168:2317    169:671    
 170:2224    171:252     172:778     173:1810    174:768     175:667    
 176:1728    177:4145    178:2354    179:1197    180:2158    181:1929   
 182:2097    183:1006    184:826     185:7755    186:3251    187:2168   
 188:2226    189:1763    190:7859    191:1325    192:9100    193:5749   
 194:4479    195:3840    196:1811    197:1263    198:5604    199:5833   
 200:7168    201:3740    202:10155   203:9848    204:4504    205:2757   
 206:2997    207:3097    208:3993    209:3885    210:3873    211:2042   
 212:2749    213:2359    214:878     215:68      216:5738    217:1974   
 218:820     219:598     220:1643    221:878     222:708     223:1331   


End of report


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