Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Nov 10 18:02:51 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, SANOG, PacNOG, SAFNOG, CaribNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG 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 11 Nov, 2017

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

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

BGP routing table entries examined:                              668655
    Prefixes after maximum aggregation (per Origin AS):          260785
    Deaggregation factor:                                          2.56
    Unique aggregates announced (without unneeded subnets):      323939
Total ASes present in the Internet Routing Table:                 58967
    Prefixes per ASN:                                             11.34
Origin-only ASes present in the Internet Routing Table:           50941
Origin ASes announcing only one prefix:                           22406
Transit ASes present in the Internet Routing Table:                8026
Transit-only ASes present in the Internet Routing Table:            239
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      44
    Max AS path prepend of ASN ( 55644)                              41
Prefixes from unregistered ASNs in the Routing Table:                86
    Number of instances of unregistered ASNs:                        86
Number of 32-bit ASNs allocated by the RIRs:                      20551
Number of 32-bit ASNs visible in the Routing Table:               16368
Prefixes from 32-bit ASNs in the Routing Table:                   67078
Number of bogon 32-bit ASNs visible in the Routing Table:            31
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            376
Number of addresses announced to Internet:                   2859891296
    Equivalent to 170 /8s, 118 /16s and 122 /24s
    Percentage of available address space announced:               77.2
    Percentage of allocated address space announced:               77.2
    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:      220528

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

Prefixes being announced by APNIC Region ASes:                   184517
    Total APNIC prefixes after maximum aggregation:               52837
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          183573
    Unique aggregates announced from the APNIC address blocks:    76274
APNIC Region origin ASes present in the Internet Routing Table:    8464
    APNIC Prefixes per ASN:                                       21.69
APNIC Region origin ASes announcing only one prefix:               2363
APNIC Region transit ASes present in the Internet Routing Table:   1208
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         44
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3326
Number of APNIC addresses announced to Internet:              766641376
    Equivalent to 45 /8s, 178 /16s and 4 /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:                    200702
    Total ARIN prefixes after maximum aggregation:                96754
    ARIN Deaggregation factor:                                     2.07
Prefixes being announced from the ARIN address blocks:           202165
    Unique aggregates announced from the ARIN address blocks:     94512
ARIN Region origin ASes present in the Internet Routing Table:    18011
    ARIN Prefixes per ASN:                                        11.22
ARIN Region origin ASes announcing only one prefix:                6661
ARIN Region transit ASes present in the Internet Routing Table:    1787
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:    2254
Number of ARIN addresses announced to Internet:              1112638752
    Equivalent to 66 /8s, 81 /16s and 133 /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:                    179762
    Total RIPE prefixes after maximum aggregation:                88012
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           175712
    Unique aggregates announced from the RIPE address blocks:    106400
RIPE Region origin ASes present in the Internet Routing Table:    24574
    RIPE Prefixes per ASN:                                         7.15
RIPE Region origin ASes announcing only one prefix:               11230
RIPE Region transit ASes present in the Internet Routing Table:    3495
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6350
Number of RIPE addresses announced to Internet:               713337216
    Equivalent to 42 /8s, 132 /16s and 169 /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:                   85828
    Total LACNIC prefixes after maximum aggregation:              19196
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:          87105
    Unique aggregates announced from the LACNIC address blocks:   39203
LACNIC Region origin ASes present in the Internet Routing Table:   6557
    LACNIC Prefixes per ASN:                                      13.28
LACNIC Region origin ASes announcing only one prefix:              1804
LACNIC Region transit ASes present in the Internet Routing Table:  1201
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        25
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4075
Number of LACNIC addresses announced to Internet:             172368864
    Equivalent to 10 /8s, 70 /16s and 35 /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:                  17758
    Total AfriNIC prefixes after maximum aggregation:              3922
    AfriNIC Deaggregation factor:                                  4.53
Prefixes being announced from the AfriNIC address blocks:         19724
    Unique aggregates announced from the AfriNIC address blocks:   7235
AfriNIC Region origin ASes present in the Internet Routing Table:  1091
    AfriNIC Prefixes per ASN:                                     18.08
AfriNIC Region origin ASes announcing only one prefix:              347
AfriNIC Region transit ASes present in the Internet Routing Table:  215
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  363
Number of AfriNIC addresses announced to Internet:             94434048
    Equivalent to 5 /8s, 160 /16s and 243 /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         5258       4192      76  ERX-CERNET-BKB China Education and Rese
  7545         4101        410     409  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2789      11128     755  KIXS-AS-KR Korea Telecom, KR
 17974         2780        916      76  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9829         2760       1498     549  BSNL-NIB National Internet Backbone, IN
 45899         2359       1489     155  VNPT-AS-VN VNPT Corp, VN
  9394         2175       4931      26  CTTNET China TieTong Telecommunications
  7552         2156       1157      65  VIETEL-AS-AP Viettel Corporation, VN
  9808         2130       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2115        422     221  TATACOMM-AS TATA Communications formerl

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         3320       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3295       2952     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2175        405     107  MEGAPATH5-US - MegaPath Corporation, US
 20115         2052       2289     421  CHARTER-NET-HKY-NC - Charter Communicat
  6389         2025       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
   209         1944       5063     646  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 16509         1887       4051     575  AMAZON-02 - Amazon.com, Inc., US
 30036         1847        330     274  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 11492         1655        236     579  CABLEONE - CABLE ONE, INC., US
   701         1551      10589     627  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         2841        850    2053  AKAMAI-ASN1, US
  8551         2498        378      42  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 34984         2062        329     427  TELLCOM-AS, TR
 12479         1901       1066     102  UNI2-AS, ES
 12389         1895       1696     716  ROSTELECOM-AS, RU
  9121         1826       1691      17  TTNET, TR
 13188         1605        100      46  TRIOLAN, UA
  6849         1227        355      21  UKRTELNET, UA
  8402         1218        544      14  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         3545        536     316  Telmex Colombia S.A., CO
  8151         3444       3424     583  Uninet S.A. de C.V., MX
 11830         2337        367      41  Instituto Costarricense de Electricidad
  6503         1597        437      53  Axtel, S.A.B. de C.V., MX
  7303         1486       1016     201  Telecom Argentina S.A., AR
  6147         1273        377      27  Telefonica del Peru S.A.A., PE
  3816         1031        509     103  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573         1002       2289     179  CLARO S.A., BR
 11172          912        126      85  Alestra, S. de R.L. de C.V., MX
 18881          903       1062      27  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         1209        398      50  LINKdotNET-AS, EG
 37611          793         91       8  Afrihost, ZA
 36903          705        354     143  MT-MPLS, MA
 36992          634       1383      31  ETISALAT-MISR, EG
  8452          515       1730      17  TE-AS TE-AS, EG
 24835          465        850      15  RAYA-AS, EG
 29571          435         36      10  CITelecom-AS, CI
 37492          425        367      77  ORANGE-, TN
 15399          342         35       7  WANANCHI-, KE
 37342          331         32       1  MOVITEL, MZ

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         5258       4192      76  ERX-CERNET-BKB China Education and Rese
  7545         4101        410     409  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3545        536     316  Telmex Colombia S.A., CO
  8151         3444       3424     583  Uninet S.A. de C.V., MX
 39891         3387        186      23  ALJAWWALSTC-AS, SA
  6327         3320       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3295       2952     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 20940         2841        850    2053  AKAMAI-ASN1, US
  4766         2789      11128     755  KIXS-AS-KR Korea Telecom, KR
 17974         2780        916      76  TELKOMNET-AS2-AP PT Telekomunikasi Indo

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       4101         3692   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3387         3364   ALJAWWALSTC-AS, SA
  6327       3320         3234   SHAW - Shaw Communications Inc., CA
 10620       3545         3229   Telmex Colombia S.A., CO
 22773       3295         3139   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8151       3444         2861   Uninet S.A. de C.V., MX
 17974       2780         2704   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  8551       2498         2456   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830       2337         2296   Instituto Costarricense de Electricidad y Telec
  9829       2760         2211   BSNL-NIB National Internet Backbone, IN

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
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
290012147   UNALLOCATED  63.65.43.0/24         7046       RFC2270-UUNET-CUSTOMER - MCI C
3489671207   UNALLOCATED  64.53.36.0/24        10279       WCCL-AS - West Carolina Commun
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T
  64111   UNALLOCATED  98.159.5.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64111   UNALLOCATED  98.159.7.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64121   UNALLOCATED  98.159.9.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64111   UNALLOCATED  98.159.12.0/24       19555       KMI-NETWORK - Kinder Morgan, I

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

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

Network            Origin AS  Description
14.128.12.0/22       55427    BROADLINK-AS-AP Broadlink Nepal, NP
14.128.14.0/23       10247    NETLINE, ZA
14.192.50.0/23       10247    NETLINE, ZA
14.192.58.0/23       10247    NETLINE, ZA
27.100.7.0/24        56096    UNKNOWN
36.255.250.0/23      10247    NETLINE, ZA
41.78.180.0/23       37265    -Reserved AS-, ZZ
43.228.144.0/22       9829    BSNL-NIB National Internet Backbone, IN
43.251.20.0/22        9381    WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22      133676    PNPL-AS Precious netcom pvt ltd, 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      /11:106     /12:285     
/13:551     /14:1060    /15:1861    /16:13358   /17:7750    /18:13561   
/19:25199   /20:38943   /21:43304   /22:80936   /23:66652   /24:372814  
/25:842     /26:618     /27:650     /28:35      /29:21      /30:16      
/31:2       /32:27      

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

   ASN   No of nets  Total ann.  Description
  6327     3114          3320    SHAW - Shaw Communications Inc., CA
 39891     2946          3387    ALJAWWALSTC-AS, SA
 22773     2532          3295    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2070          2175    MEGAPATH5-US - MegaPath Corporation, US
  8551     1962          2498    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830     1707          2337    Instituto Costarricense de Electricidad y Telec
 30036     1617          1847    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1539          3545    Telmex Colombia S.A., CO
 11492     1476          1655    CABLEONE - CABLE ONE, INC., US
 34984     1370          2062    TELLCOM-AS, TR

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

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

   1:1569      2:840       4:18        5:2500      6:36        8:1067   
   9:1        12:1853     13:169      14:1725     15:29       16:3      
  17:181      18:76       20:59       21:1        23:2496     24:1923   
  25:2        27:2364     31:1949     32:87       35:21       36:455    
  37:2420     38:1420     39:77       40:100      41:2993     42:516    
  43:1938     44:82       45:3239     46:2793     47:180      49:1365   
  50:1033     51:28       52:879      54:354      55:3        56:4      
  57:42       58:1567     59:991      60:362      61:1990     62:1735   
  63:1844     64:4611     65:2233     66:4456     67:2303     68:1195   
  69:3162     70:1131     71:588      72:2098     74:2677     75:387    
  76:415      77:1498     78:1562     79:1926     80:1414     81:1409   
  82:1055     83:756      84:999      85:1946     86:469      87:1212   
  88:873      89:2291     90:174      91:6225     92:1028     93:2321   
  94:2406     95:2666     96:657      97:352      98:957      99:101    
 100:153     101:1537    102:1       103:16175   104:3170    105:210    
 106:562     107:1750    108:817     109:2910    110:1514    111:1733   
 112:1281    113:1279    114:1064    115:1602    116:1710    117:1640   
 118:2146    119:1653    120:762     121:1085    122:2434    123:1873   
 124:1502    125:1797    128:941     129:652     130:445     131:1521   
 132:603     133:193     134:843     135:228     136:420     137:486    
 138:1955    139:530     140:371     141:672     142:745     143:908    
 144:802     145:191     146:1130    147:697     148:1502    149:615    
 150:721     151:1009    152:719     153:303     154:933     155:750    
 156:724     157:752     158:596     159:1600    160:817     161:727    
 162:2537    163:514     164:996     165:1464    166:392     167:1345   
 168:3069    169:822     170:3533    171:396     172:1006    173:1891   
 174:821     175:774     176:1867    177:3964    178:2490    179:1127   
 180:2227    181:2105    182:2415    183:809     184:880     185:11366  
 186:3305    187:2329    188:2534    189:1922    190:8187    191:1267   
 192:9710    193:5870    194:4751    195:3952    196:2226    197:1392   
 198:5542    199:5881    200:7183    201:4650    202:10373   203:10004  
 204:4521    205:2856    206:3065    207:3099    208:3982    209:3876   
 210:3929    211:2064    212:2828    213:2581    214:844     215:63     
 216:5694    217:2118    218:888     219:596     220:1676    221:923    
 222:719     223:1211   

End of report


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