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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 06 Oct, 2018

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

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

BGP routing table entries examined:                              719613
    Prefixes after maximum aggregation (per Origin AS):          276479
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      345397
Total ASes present in the Internet Routing Table:                 62033
    Prefixes per ASN:                                             11.60
Origin-only ASes present in the Internet Routing Table:           53570
Origin ASes announcing only one prefix:                           23365
Transit ASes present in the Internet Routing Table:                8463
Transit-only ASes present in the Internet Routing Table:            265
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      36
    Max AS path prepend of ASN ( 30873)                              34
Prefixes from unregistered ASNs in the Routing Table:                45
    Number of instances of unregistered ASNs:                        45
Number of 32-bit ASNs allocated by the RIRs:                      24323
Number of 32-bit ASNs visible in the Routing Table:               19649
Prefixes from 32-bit ASNs in the Routing Table:                   82878
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:            282
Number of addresses announced to Internet:                   2855171843
    Equivalent to 170 /8s, 46 /16s and 119 /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:               99.1
Total number of prefixes smaller than registry allocations:      240471

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

Prefixes being announced by APNIC Region ASes:                   196173
    Total APNIC prefixes after maximum aggregation:               55802
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          193872
    Unique aggregates announced from the APNIC address blocks:    79906
APNIC Region origin ASes present in the Internet Routing Table:    9145
    APNIC Prefixes per ASN:                                       21.20
APNIC Region origin ASes announcing only one prefix:               2579
APNIC Region transit ASes present in the Internet Routing Table:   1369
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   4111
Number of APNIC addresses announced to Internet:              767775170
    Equivalent to 45 /8s, 195 /16s and 81 /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, 131072-139577
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:                    214165
    Total ARIN prefixes after maximum aggregation:               101278
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           214003
    Unique aggregates announced from the ARIN address blocks:    101771
ARIN Region origin ASes present in the Internet Routing Table:    18264
    ARIN Prefixes per ASN:                                        11.72
ARIN Region origin ASes announcing only one prefix:                6792
ARIN Region transit ASes present in the Internet Routing Table:    1816
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2455
Number of ARIN addresses announced to Internet:              1098491808
    Equivalent to 65 /8s, 121 /16s and 167 /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, 393216-399260
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:                    196442
    Total RIPE prefixes after maximum aggregation:                93831
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           192762
    Unique aggregates announced from the RIPE address blocks:    113962
RIPE Region origin ASes present in the Internet Routing Table:    25533
    RIPE Prefixes per ASN:                                         7.55
RIPE Region origin ASes announcing only one prefix:               11499
RIPE Region transit ASes present in the Internet Routing Table:    3519
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7459
Number of RIPE addresses announced to Internet:               714618496
    Equivalent to 42 /8s, 152 /16s and 54 /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
                       196608-210331
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:                   93183
    Total LACNIC prefixes after maximum aggregation:              21345
    LACNIC Deaggregation factor:                                   4.37
Prefixes being announced from the LACNIC address blocks:          94581
    Unique aggregates announced from the LACNIC address blocks:   41323
LACNIC Region origin ASes present in the Internet Routing Table:   7601
    LACNIC Prefixes per ASN:                                      12.44
LACNIC Region origin ASes announcing only one prefix:              2089
LACNIC Region transit ASes present in the Internet Routing Table:  1423
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  5149
Number of LACNIC addresses announced to Internet:             172320544
    Equivalent to 10 /8s, 69 /16s and 103 /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:                  19604
    Total AfriNIC prefixes after maximum aggregation:              4183
    AfriNIC Deaggregation factor:                                  4.69
Prefixes being announced from the AfriNIC address blocks:         24113
    Unique aggregates announced from the AfriNIC address blocks:   8183
AfriNIC Region origin ASes present in the Internet Routing Table:  1201
    AfriNIC Prefixes per ASN:                                     20.08
AfriNIC Region origin ASes announcing only one prefix:              406
AfriNIC Region transit ASes present in the Internet Routing Table:  246
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  475
Number of AfriNIC addresses announced to Internet:            101538304
    Equivalent to 6 /8s, 13 /16s and 90 /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         4645       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4450        485     476  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         2994       1153      93  VIETEL-AS-AP Viettel Group, VN
  4766         2822      11130     764  KIXS-AS-KR Korea Telecom, KR
 45899         2762       1674     159  VNPT-AS-VN VNPT Corp, VN
  9829         2746       1494     557  BSNL-NIB National Internet Backbone, IN
  9394         2589       4907      31  CTTNET China TieTong Telecommunications
  9808         2270       8699      26  CMNET-GD Guangdong Mobile Communication
 17974         2250        968      51  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4755         2132        421     171  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
 11492         3547        229     465  CABLEONE - CABLE ONE, INC., US
  6327         3451       1324      83  SHAW - Shaw Communications Inc., CA
 22773         3242       2971     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2315       5005     815  AMAZON-02 - Amazon.com, Inc., US
 18566         2157        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2153       2739     522  CHARTER-NET-HKY-NC - Charter Communicat
 16625         2143       1109    1551  AKAMAI-AS - Akamai Technologies, Inc., 
  5650         2085       3074    1461  FRONTIER-FRTR - Frontier Communications
 30036         2047        346     149  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         2046       5081     602  CENTURYLINK-US-LEGACY-QWEST - Qwest Com

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
 12479         4907       1613     129  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3054        378      50  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2568        592    1915  AKAMAI-ASN1, US
 12389         2099       2048     673  ROSTELECOM-AS, RU
 34984         2047        337     509  TELLCOM-AS, TR
  9121         1837       1691      17  TTNET, TR
 13188         1604        100      45  TRIOLAN, UA
  8402         1256        544      14  CORBINA-AS OJSC "Vimpelcom", RU
  6849         1241        355      21  UKRTELNET, UA

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         5401       3302     612  Uninet S.A. de C.V., MX
 10620         3195        489     804  Telmex Colombia S.A., CO
 11830         2650        370      81  Instituto Costarricense de Electricidad
  6503         1648        444      65  Axtel, S.A.B. de C.V., MX
  7303         1432        955     206  Telecom Argentina S.A., AR
 28573         1120       2238     189  CLARO S.A., BR
  6147         1040        377      31  Telefonica del Peru S.A.A., PE
  3816         1014        509     121  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          933        144      71  Alestra, S. de R.L. de C.V., MX
 18881          919       1114      28  TELEFÔNICA BRASIL S.A, BR

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

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN   No of nets  /20 equiv  MaxAgg  Description
 24863         1205        396      48  LINKdotNET-AS, EG
 37611          898        107       9  Afrihost, ZA
 36903          795        399     143  MT-MPLS, MA
 36992          749       1411      41  ETISALAT-MISR, EG
 24835          653        802      18  RAYA-AS, EG
  8452          607       1728      15  TE-AS TE-AS, EG
 37492          466        470      57  ORANGE-, TN
 29571          463         70      11  ORANGE-COTE-IVOIRE, CI
 37342          394         32       1  MOVITEL, MZ
 23889          375        231      15  MauritiusTelecom, MU

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
  8151         5401       3302     612  Uninet S.A. de C.V., MX
 12479         4907       1613     129  UNI2-AS, ES
  4538         4645       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4450        485     476  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
 11492         3547        229     465  CABLEONE - CABLE ONE, INC., US
  6327         3451       1324      83  SHAW - Shaw Communications Inc., CA
 22773         3242       2971     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3195        489     804  Telmex Colombia S.A., CO
  8551         3054        378      50  BEZEQ-INTERNATIONAL-AS Bezeqint Interne

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

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

  ASN   No of nets  Net Savings  Description
 12479       4907         4778   UNI2-AS, ES
  4538       4645         4571   ERX-CERNET-BKB China Education and Research Net
  7545       4450         3974   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3451         3368   SHAW - Shaw Communications Inc., CA
 22773       3242         3086   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 11492       3547         3082   CABLEONE - CABLE ONE, INC., US
  8551       3054         3004   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  7552       2994         2901   VIETEL-AS-AP Viettel Group, VN
 45899       2762         2603   VNPT-AS-VN VNPT Corp, VN

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

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

Bad AS    Designation  Network              Transit AS  Description
 230105   UNALLOCATED  38.110.79.0/24       23015       CMC180-TOR-AS - Cambridge Merc
  64500   DOCUMENT     45.43.56.0/24        45474       NEXUSGUARD-AS-AP Suite 2101~02
 266842   UNALLOCATED  45.238.156.0/22     265680       HNTELCO S.A, HN
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64121   UNALLOCATED  98.159.9.0/24        19555       KMI-NETWORK - Kinder Morgan, I
  64121   UNALLOCATED  98.159.12.0/24       19555       KMI-NETWORK - Kinder Morgan, I
  64140   UNALLOCATED  98.159.14.0/24       64121       UNKNOWN
  65001   PRIVATE      109.161.56.0/24      13118       ASN-YARTELECOM PJSC Rostelecom
  64643   PRIVATE      119.44.18.0/24        9394       CTTNET China TieTong Telecommu
  64643   PRIVATE      119.44.192.0/22       9394       CTTNET China TieTong Telecommu

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

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

Prefix             Origin AS  Description
198.18.1.19/32        7497     CSTNET-AS-AP Computer Network Information Cente

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

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

Network            Origin AS  Description
27.100.7.0/24        56096    UNKNOWN
41.78.92.0/22        14988    BTC-GATE1, BW
41.78.180.0/23       37265    -Reserved AS-, ZZ
45.121.32.0/22      134356    UNKNOWN
45.121.136.0/22      22552    ESITED - eSited Solutions, US
45.124.164.0/22      38803    GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
45.252.236.0/22      38803    GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
64.28.160.0/20       20475    AS20475 - Global Capacity, LLC, US
64.29.240.0/20       27279    -Reserved AS-, ZZ
64.30.152.0/24       15830    TELECITY-LON, GB

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      /10:36      /11:98      /12:290     
/13:566     /14:1104    /15:1884    /16:13315   /17:7906    /18:13774   
/19:25359   /20:39581   /21:45915   /22:89388   /23:73469   /24:404701  
/25:817     /26:618     /27:633     /28:36      /29:21      /30:21      
/31:4       /32:52      

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

   ASN   No of nets  Total ann.  Description
 12479     3684          4907    UNI2-AS, ES
  6327     3237          3451    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2800          3547    CABLEONE - CABLE ONE, INC., US
  8551     2510          3054    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773     2504          3242    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2051          2157    MEGAPATH5-US - MegaPath Corporation, US
 11830     2000          2650    Instituto Costarricense de Electricidad y Telec
 30036     1795          2047    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
  5650     1762          2085    FRONTIER-FRTR - Frontier Communications of Amer

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

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

   1:1604      2:883       4:18        5:2660      6:44        7:1      
   8:1137     12:1864     13:218      14:1829     15:34       16:3      
  17:194      18:55       20:50       23:2546     24:2431     25:2      
  27:2512     31:2003     32:84       35:29       36:536      37:2878   
  38:1547     39:261      40:121      41:3218     42:714      43:1968   
  44:123      45:5699     46:3090     47:225      49:1348     50:1064   
  51:318      52:1087     54:364      55:1        56:12       57:39     
  58:1623     59:986      60:417      61:2090     62:1881     63:1800   
  64:5054     65:2209     66:4793     67:2680     68:1157     69:3365   
  70:1155     71:579      72:2256     74:2728     75:420      76:456    
  77:1647     78:1735     79:2234     80:1568     81:1415     82:1051   
  83:790      84:1043     85:2038     86:561      87:1489     88:916    
  89:2349     90:207      91:6440     92:1280     93:2397     94:2440   
  95:3029     96:934      97:353      98:928      99:142     100:86     
 101:1188    102:233     103:18831   104:3569    105:218     106:772    
 107:1805    108:709     109:3362    110:1676    111:1810    112:1332   
 113:1307    114:1169    115:1684    116:1666    117:1788    118:2208   
 119:1694    120:1084    121:1046    122:2387    123:1662    124:1444   
 125:1931    128:1179    129:672     130:500     131:1616    132:726    
 133:191     134:1033    135:237     136:530     137:658     138:1931   
 139:695     140:546     141:754     142:840     143:1020    144:844    
 145:498     146:1237    147:741     148:1685    149:776     150:767    
 151:997     152:867     153:325     154:1873    155:931     156:1414   
 157:813     158:661     159:1877    160:1490    161:838     162:2642   
 163:625     164:1093    165:1555    166:450     167:1258    168:3171   
 169:850     170:3954    171:497     172:1035    173:2074    174:999    
 175:806     176:2097    177:4044    178:2521    179:1329    180:2161   
 181:2442    182:2382    183:1303    184:1146    185:14183   186:3600   
 187:2474    188:2921    189:2000    190:8187    191:1368    192:9848   
 193:6287    194:5108    195:4026    196:2757    197:1606    198:5663   
 199:5948    200:7313    201:4991    202:10262   203:10234   204:4600   
 205:3001    206:3207    207:3176    208:3932    209:4149    210:3831   
 211:1986    212:3032    213:2806    214:1045    215:52      216:6012   
 217:2164    218:868     219:577     220:1802    221:1001    222:986    
 223:1392   

End of report