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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
TZNOG, 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 10 Mar, 2018

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

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

BGP routing table entries examined:                              689505
    Prefixes after maximum aggregation (per Origin AS):          267381
    Deaggregation factor:                                          2.58
    Unique aggregates announced (without unneeded subnets):      332013
Total ASes present in the Internet Routing Table:                 60061
    Prefixes per ASN:                                             11.48
Origin-only ASes present in the Internet Routing Table:           51878
Origin ASes announcing only one prefix:                           22755
Transit ASes present in the Internet Routing Table:                8183
Transit-only ASes present in the Internet Routing Table:            255
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      37
    Max AS path prepend of ASN (262865)                              25
Prefixes from unregistered ASNs in the Routing Table:                61
    Number of instances of unregistered ASNs:                        61
Number of 32-bit ASNs allocated by the RIRs:                      21745
Number of 32-bit ASNs visible in the Routing Table:               17492
Prefixes from 32-bit ASNs in the Routing Table:                   72632
Number of bogon 32-bit ASNs visible in the Routing Table:            12
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            329
Number of addresses announced to Internet:                   2855882594
    Equivalent to 170 /8s, 57 /16s and 79 /24s
    Percentage of available address space announced:               77.1
    Percentage of allocated address space announced:               77.1
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.8
Total number of prefixes smaller than registry allocations:      229062

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

Prefixes being announced by APNIC Region ASes:                   189556
    Total APNIC prefixes after maximum aggregation:               54236
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          188509
    Unique aggregates announced from the APNIC address blocks:    77335
APNIC Region origin ASes present in the Internet Routing Table:    8697
    APNIC Prefixes per ASN:                                       21.68
APNIC Region origin ASes announcing only one prefix:               2465
APNIC Region transit ASes present in the Internet Routing Table:   1285
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         27
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3609
Number of APNIC addresses announced to Internet:              767978658
    Equivalent to 45 /8s, 198 /16s and 108 /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:                    205495
    Total ARIN prefixes after maximum aggregation:                98454
    ARIN Deaggregation factor:                                     2.09
Prefixes being announced from the ARIN address blocks:           206400
    Unique aggregates announced from the ARIN address blocks:     97400
ARIN Region origin ASes present in the Internet Routing Table:    18111
    ARIN Prefixes per ASN:                                        11.40
ARIN Region origin ASes announcing only one prefix:                6713
ARIN Region transit ASes present in the Internet Routing Table:    1803
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:    2316
Number of ARIN addresses announced to Internet:              1104738912
    Equivalent to 65 /8s, 216 /16s and 250 /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:                    187081
    Total RIPE prefixes after maximum aggregation:                91044
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           183286
    Unique aggregates announced from the RIPE address blocks:    109499
RIPE Region origin ASes present in the Internet Routing Table:    24958
    RIPE Prefixes per ASN:                                         7.34
RIPE Region origin ASes announcing only one prefix:               11332
RIPE Region transit ASes present in the Internet Routing Table:    3497
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6747
Number of RIPE addresses announced to Internet:               714623104
    Equivalent to 42 /8s, 152 /16s and 72 /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:                   88834
    Total LACNIC prefixes after maximum aggregation:              19593
    LACNIC Deaggregation factor:                                   4.53
Prefixes being announced from the LACNIC address blocks:          90204
    Unique aggregates announced from the LACNIC address blocks:   40049
LACNIC Region origin ASes present in the Internet Routing Table:   6889
    LACNIC Prefixes per ASN:                                      13.09
LACNIC Region origin ASes announcing only one prefix:              1879
LACNIC Region transit ASes present in the Internet Routing Table:  1267
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        37
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4422
Number of LACNIC addresses announced to Internet:             172158944
    Equivalent to 10 /8s, 66 /16s and 239 /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:                  18476
    Total AfriNIC prefixes after maximum aggregation:              4005
    AfriNIC Deaggregation factor:                                  4.61
Prefixes being announced from the AfriNIC address blocks:         20777
    Unique aggregates announced from the AfriNIC address blocks:   7466
AfriNIC Region origin ASes present in the Internet Routing Table:  1123
    AfriNIC Prefixes per ASN:                                     18.50
AfriNIC Region origin ASes announcing only one prefix:              365
AfriNIC Region transit ASes present in the Internet Routing Table:  227
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  398
Number of AfriNIC addresses announced to Internet:             95974144
    Equivalent to 5 /8s, 184 /16s and 115 /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         5420       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         3962        405     400  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2858      11132     776  KIXS-AS-KR Korea Telecom, KR
  9829         2802       1499     540  BSNL-NIB National Internet Backbone, IN
  7552         2667       1161      59  VIETEL-AS-AP Viettel Group, VN
  9394         2630       4923      29  CTTNET China TieTong Telecommunications
 45899         2530       1561     159  VNPT-AS-VN VNPT Corp, VN
 17974         2331        930      80  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9808         2179       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2086        417     215  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         3364       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3278       2988     148  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2167        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2094       2483     435  CHARTER-NET-HKY-NC - Charter Communicat
 16509         2037       4372     605  AMAZON-02 - Amazon.com, Inc., US
 30036         1932        338     189  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         1929       5055     618  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
  6389         1776       3671      36  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
 11492         1750        228     577  CABLEONE - CABLE ONE, INC., US
  7018         1682      20187    1248  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         3520        187      21  ALJAWWALSTC-AS, SA
 12479         3447       1397     785  UNI2-AS, ES
 20940         2821        820    2054  AKAMAI-ASN1, US
  8551         2101        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2036       1864     704  ROSTELECOM-AS, RU
 34984         1997        332     479  TELLCOM-AS, TR
  9121         1926       1692      19  TTNET, TR
 13188         1606        100      46  TRIOLAN, UA
  6849         1241        355      21  UKRTELNET, UA
  8402         1210        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
  8151         4313       3386     588  Uninet S.A. de C.V., MX
 10620         3599        541     252  Telmex Colombia S.A., CO
 11830         2642        370      66  Instituto Costarricense de Electricidad
  6503         1631        437      53  Axtel, S.A.B. de C.V., MX
  7303         1505       1025     198  Telecom Argentina S.A., AR
 28573         1022       2246     194  CLARO S.A., BR
  6147         1017        377      27  Telefonica del Peru S.A.A., PE
  3816         1006        506     120  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          925        126      85  Alestra, S. de R.L. de C.V., MX
 18881          907       1072      29  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         1168        398      50  LINKdotNET-AS, EG
 37611          813         91       8  Afrihost, ZA
 36903          737        370     139  MT-MPLS, MA
 36992          683       1380      38  ETISALAT-MISR, EG
  8452          615       1730      18  TE-AS TE-AS, EG
 24835          602        850      15  RAYA-AS, EG
 29571          466         68      12  ORANGE-COTE-IVOIRE, CI
 37492          444        376      80  ORANGE-, TN
 15399          361         35       7  WANANCHI-, KE
 37342          360         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         5420       4192      74  ERX-CERNET-BKB China Education and Rese
  8151         4313       3386     588  Uninet S.A. de C.V., MX
  7545         3962        405     400  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3599        541     252  Telmex Colombia S.A., CO
 39891         3520        187      21  ALJAWWALSTC-AS, SA
 12479         3447       1397     785  UNI2-AS, ES
  6327         3364       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3278       2988     148  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  4766         2858      11132     776  KIXS-AS-KR Korea Telecom, KR
 20940         2821        820    2054  AKAMAI-ASN1, US

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

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

  ASN   No of nets  Net Savings  Description
  8151       4313         3725   Uninet S.A. de C.V., MX
  7545       3962         3562   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3520         3499   ALJAWWALSTC-AS, SA
 10620       3599         3347   Telmex Colombia S.A., CO
  6327       3364         3278   SHAW - Shaw Communications Inc., CA
 22773       3278         3130   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 12479       3447         2662   UNI2-AS, ES
  7552       2667         2608   VIETEL-AS-AP Viettel Group, VN
  9394       2630         2601   CTTNET China TieTong Telecommunications Corpora
 11830       2642         2576   Instituto Costarricense de Electricidad y Telec

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

List of Unregistered Origin ASNs (Global)
-----------------------------------------

Bad AS    Designation  Network              Transit AS  Description
  65456   PRIVATE      31.171.126.0/23     199311       AZRT-LX Local Internet Exchang
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T
  65024   PRIVATE      87.103.234.0/24      39407       CHITATELECOM-AS, RU
  65000   PRIVATE      95.179.2.0/24        65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.3.0/24        65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.69.0/24       65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.70.0/24       65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.92.0/24       65001       -Private Use AS-, ZZ

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix             Origin AS  Description
100.66.224.0/19        209     CENTURYLINK-US-LEGACY-QWEST - Qwest Communicati

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

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

Network            Origin AS  Description
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
37.44.224.0/20       48666    AS-MAROSNET Moscow, Russia, RU
41.76.136.0/22       37500    -Reserved AS-, ZZ
41.76.140.0/22       37500    -Reserved AS-, ZZ
41.78.92.0/22        14988    BTC-GATE1, BW
41.78.180.0/23       37265    -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        /8:14       /9:11      /10:37      /11:100     /12:289     
/13:563     /14:1094    /15:1898    /16:13320   /17:7834    /18:13573   
/19:25192   /20:39115   /21:45117   /22:85179   /23:69049   /24:384896  
/25:837     /26:599     /27:654     /28:36      /29:20      /30:17      
/31:4       /32:57      

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

   ASN   No of nets  Total ann.  Description
  6327     3155          3364    SHAW - Shaw Communications Inc., CA
 39891     2946          3520    ALJAWWALSTC-AS, SA
 22773     2534          3278    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 12479     2246          3447    UNI2-AS, ES
 18566     2061          2167    MEGAPATH5-US - MegaPath Corporation, US
 11830     1989          2642    Instituto Costarricense de Electricidad y Telec
 30036     1687          1932    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1599          3599    Telmex Colombia S.A., CO
  8551     1564          2101    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11492     1531          1750    CABLEONE - CABLE ONE, INC., US

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

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

   1:1567      2:829       4:19        5:2801      6:59        7:1      
   8:1104      9:1        12:1883     13:207      14:1752     15:26     
  16:3        17:188      18:68       20:48       21:2        23:2558   
  24:2176     25:2        27:2304     31:1940     32:89       35:25     
  36:502      37:2700     38:1458     39:247      40:103      41:3044   
  42:548      43:1946     44:98       45:3853     46:3046     47:199    
  49:1354     50:1045     51:48       52:982      54:356      55:5      
  56:10       57:41       58:1576     59:1019     60:428      61:2142   
  62:1803     63:1803     64:4708     65:2223     66:4572     67:2358   
  68:1172     69:3199     70:1183     71:556      72:2101     74:2674   
  75:410      76:426      77:1541     78:1668     79:1856     80:1488   
  81:1442     82:1076     83:775      84:1020     85:2038     86:575    
  87:1267     88:915      89:2315     90:194      91:6284     92:1195   
  93:2370     94:2386     95:2742     96:656      97:356      98:927    
  99:124     100:79      101:1426    102:28      103:17255   104:3286   
 105:221     106:588     107:1799    108:706     109:2702    110:1579   
 111:1777    112:1329    113:1377    114:1113    115:1649    116:1648   
 117:1721    118:2173    119:1674    120:967     121:1070    122:2464   
 123:1820    124:1458    125:1876    128:975     129:618     130:443    
 131:1586    132:653     133:194     134:996     135:225     136:440    
 137:495     138:1941    139:572     140:418     141:686     142:787    
 143:964     144:798     145:453     146:1161    147:740     148:1546   
 149:700     150:740     151:1045    152:755     153:308     154:1038   
 155:760     156:850     157:777     158:624     159:1632    160:884    
 161:745     162:2572    163:527     164:1258    165:1396    166:398    
 167:1412    168:3045    169:808     170:3707    171:418     172:1058   
 173:1927    174:879     175:747     176:1866    177:3975    178:2419   
 179:1185    180:2243    181:2171    182:2462    183:1132    184:907    
 185:12812   186:3481    187:2299    188:2709    189:1976    190:8114   
 191:1415    192:9777    193:5879    194:4778    195:3974    196:2450   
 197:1444    198:5521    199:5880    200:7383    201:5006    202:10378  
 203:10110   204:4540    205:2846    206:3070    207:3177    208:3993   
 209:3933    210:4032    211:2118    212:3008    213:2687    214:907    
 215:61      216:5837    217:2126    218:899     219:621     220:1733   
 221:996     222:1045    223:1235   

End of report