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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 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 17 Nov, 2018

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

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

BGP routing table entries examined:                              726297
    Prefixes after maximum aggregation (per Origin AS):          279323
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      348399
Total ASes present in the Internet Routing Table:                 62474
    Prefixes per ASN:                                             11.63
Origin-only ASes present in the Internet Routing Table:           53901
Origin ASes announcing only one prefix:                           23425
Transit ASes present in the Internet Routing Table:                8573
Transit-only ASes present in the Internet Routing Table:            254
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      40
    Max AS path prepend of ASN ( 22394)                              37
Prefixes from unregistered ASNs in the Routing Table:                34
    Number of instances of unregistered ASNs:                        34
Number of 32-bit ASNs allocated by the RIRs:                      24905
Number of 32-bit ASNs visible in the Routing Table:               20153
Prefixes from 32-bit ASNs in the Routing Table:                   86126
Number of bogon 32-bit ASNs visible in the Routing Table:            17
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            263
Number of addresses announced to Internet:                   2862740641
    Equivalent to 170 /8s, 161 /16s and 244 /24s
    Percentage of available address space announced:               77.3
    Percentage of allocated address space announced:               77.3
    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:      242331

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

Prefixes being announced by APNIC Region ASes:                   198594
    Total APNIC prefixes after maximum aggregation:               56383
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          196021
    Unique aggregates announced from the APNIC address blocks:    80441
APNIC Region origin ASes present in the Internet Routing Table:    9236
    APNIC Prefixes per ASN:                                       21.22
APNIC Region origin ASes announcing only one prefix:               2584
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:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   4219
Number of APNIC addresses announced to Internet:              768640640
    Equivalent to 45 /8s, 208 /16s and 134 /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:                    215480
    Total ARIN prefixes after maximum aggregation:               102201
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           214804
    Unique aggregates announced from the ARIN address blocks:    102213
ARIN Region origin ASes present in the Internet Routing Table:    18304
    ARIN Prefixes per ASN:                                        11.74
ARIN Region origin ASes announcing only one prefix:                6806
ARIN Region transit ASes present in the Internet Routing Table:    1835
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          40
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2505
Number of ARIN addresses announced to Internet:              1103190176
    Equivalent to 65 /8s, 193 /16s and 88 /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:                    198202
    Total RIPE prefixes after maximum aggregation:                94737
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           194634
    Unique aggregates announced from the RIPE address blocks:    115231
RIPE Region origin ASes present in the Internet Routing Table:    25636
    RIPE Prefixes per ASN:                                         7.59
RIPE Region origin ASes announcing only one prefix:               11479
RIPE Region transit ASes present in the Internet Routing Table:    3546
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:    7587
Number of RIPE addresses announced to Internet:               715506304
    Equivalent to 42 /8s, 165 /16s and 194 /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:                   93976
    Total LACNIC prefixes after maximum aggregation:              21764
    LACNIC Deaggregation factor:                                   4.32
Prefixes being announced from the LACNIC address blocks:          95375
    Unique aggregates announced from the LACNIC address blocks:   41696
LACNIC Region origin ASes present in the Internet Routing Table:   7804
    LACNIC Prefixes per ASN:                                      12.22
LACNIC Region origin ASes announcing only one prefix:              2147
LACNIC Region transit ASes present in the Internet Routing Table:  1481
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        32
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  5349
Number of LACNIC addresses announced to Internet:             172593664
    Equivalent to 10 /8s, 73 /16s and 146 /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:                  20010
    Total AfriNIC prefixes after maximum aggregation:              4210
    AfriNIC Deaggregation factor:                                  4.75
Prefixes being announced from the AfriNIC address blocks:         25200
    Unique aggregates announced from the AfriNIC address blocks:   8571
AfriNIC Region origin ASes present in the Internet Routing Table:  1219
    AfriNIC Prefixes per ASN:                                     20.67
AfriNIC Region origin ASes announcing only one prefix:              409
AfriNIC Region transit ASes present in the Internet Routing Table:  245
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  493
Number of AfriNIC addresses announced to Internet:            102417408
    Equivalent to 6 /8s, 26 /16s and 196 /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         4639       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4610        518     515  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         3012       1154      94  VIETEL-AS-AP Viettel Group, VN
 45899         2947       1689     111  VNPT-AS-VN VNPT Corp, VN
  4766         2799      11130     764  KIXS-AS-KR Korea Telecom, KR
  9829         2747       1496     551  BSNL-NIB National Internet Backbone, IN
  9808         2428       8699      26  CMNET-GD Guangdong Mobile Communication
  9394         2407       4907      31  CTTNET China TieTong Telecommunications
 17974         2247        968      51  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4755         2123        421     172  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         3486       1324      84  SHAW - Shaw Communications Inc., CA
 11492         3466        224     627  CABLEONE - CABLE ONE, INC., US
 22773         3277       2973     166  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2503       5215     930  AMAZON-02 - Amazon.com, Inc., US
 18566         2154        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2145       2739     544  CHARTER-NET-HKY-NC - Charter Communicat
 16625         2121       1146    1574  AKAMAI-AS - Akamai Technologies, Inc., 
  5650         2086       3074    1461  FRONTIER-FRTR - Frontier Communications
 30036         2066        347     135  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         2044       5079     594  CENTURYLINK-US-LEGACY-QWEST - CenturyLi

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         5092       1613     133  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3038        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2579        569    1918  AKAMAI-ASN1, US
 12389         2186       2194     617  ROSTELECOM-AS, RU
 34984         2042        337     540  TELLCOM-AS, TR
  9121         1845       1691      17  TTNET, TR
 13188         1605        100      42  TRIOLAN, UA
  8402         1285        544      14  CORBINA-AS OJSC "Vimpelcom", RU
  6849         1218        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         5462       3313     605  Uninet S.A. de C.V., MX
 10620         3120        475     885  Telmex Colombia S.A., CO
 11830         2668        370      75  Instituto Costarricense de Electricidad
  6503         1660        449      54  Axtel, S.A.B. de C.V., MX
  7303         1441        963     208  Telecom Argentina S.A., AR
 28573         1192       2237     191  CLARO S.A., BR
  6147         1111        377      29  Telefonica del Peru S.A.A., PE
  3816         1021        512     118  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          938        145      72  Alestra, S. de R.L. de C.V., MX
 13999          922        537     260  Mega Cable, S.A. 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         1167        394      29  LINKdotNET-AS, EG
 37611          905        107       9  Afrihost, ZA
 36903          796        400     142  MT-MPLS, MA
 36992          763       1411      43  ETISALAT-MISR, EG
  8452          649       1728      15  TE-AS TE-AS, EG
 24835          641        680      21  RAYA-AS, EG
 37492          467        470      57  ORANGE-, TN
 29571          464         70      12  ORANGE-COTE-IVOIRE, CI
 23889          401        231      15  MauritiusTelecom, MU
 15399          396         45      11  WANANCHI-, KE

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         5462       3313     605  Uninet S.A. de C.V., MX
 12479         5092       1613     133  UNI2-AS, ES
  4538         4639       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4610        518     515  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  6327         3486       1324      84  SHAW - Shaw Communications Inc., CA
 11492         3466        224     627  CABLEONE - CABLE ONE, INC., US
 22773         3277       2973     166  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3120        475     885  Telmex Colombia S.A., CO
  8551         3038        378      43  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       5092         4959   UNI2-AS, ES
  4538       4639         4565   ERX-CERNET-BKB China Education and Research Net
  7545       4610         4095   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3486         3402   SHAW - Shaw Communications Inc., CA
 22773       3277         3111   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551       3038         2995   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  7552       3012         2918   VIETEL-AS-AP Viettel Group, VN
 11492       3466         2839   CABLEONE - CABLE ONE, INC., US
 45899       2947         2836   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
 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
  92937   UNALLOCATED  110.49.72.0/24       45458       SBN-AWN-AS-02-AP SBN-ISP/AWN-I
4230060012   PRIVATE      132.190.106.0/24     64673       -Private Use AS-, ZZ
4230060012   PRIVATE      132.190.232.0/24     64673       -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
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
41.76.140.0/22       37500    -Reserved AS-, ZZ
41.78.92.0/22        14988    BTC-GATE1, BW
41.78.180.0/23       37265    -Reserved AS-, ZZ
43.255.80.0/24       36351    SOFTLAYER - SoftLayer Technologies Inc., US
43.255.82.0/24       36351    SOFTLAYER - SoftLayer Technologies Inc., US
43.255.83.0/24       36351    SOFTLAYER - SoftLayer Technologies Inc., US
45.121.32.0/22      134356    UNKNOWN
45.124.164.0/22      38803    GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU
45.252.236.0/22      38803    GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU

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      /11:99      /12:290     
/13:567     /14:1118    /15:1896    /16:13312   /17:7873    /18:13825   
/19:25455   /20:39503   /21:46131   /22:90381   /23:74057   /24:409466  
/25:828     /26:646     /27:653     /28:37      /29:20      /30:21      
/31:4       /32:54      

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

   ASN   No of nets  Total ann.  Description
 12479     3916          5092    UNI2-AS, ES
  6327     3258          3486    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2754          3466    CABLEONE - CABLE ONE, INC., US
 22773     2529          3277    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2494          3038    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2048          2154    MEGAPATH5-US - MegaPath Corporation, US
 11830     2012          2668    Instituto Costarricense de Electricidad y Telec
 30036     1815          2066    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
  5650     1761          2086    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)
----------------------------------------------

   1:1626      2:891       4:18        5:2721      6:43        7:1      
   8:1143     12:1872     13:254      14:1877     15:34       16:3      
  17:196      18:58       20:48       23:2547     24:2420     25:2      
  27:2528     31:2007     32:85       35:31       36:535      37:2937   
  38:1567     39:272      40:120      41:3189     42:726      43:1987   
  44:133      45:6061     46:3057     47:237      49:1314     50:1071   
  51:318      52:1109     54:362      55:1        56:6        57:41     
  58:1701     59:1032     60:463      61:2093     62:1879     63:1799   
  64:5069     65:2199     66:4813     67:2643     68:1157     69:3372   
  70:1179     71:602      72:2236     74:2724     75:411      76:495    
  77:1691     78:1747     79:2219     80:1590     81:1416     82:1058   
  83:813      84:1067     85:2113     86:569      87:1497     88:938    
  89:2388     90:210      91:6481     92:1285     93:2389     94:2391   
  95:3078     96:913      97:348      98:940      99:161     100:87     
 101:1167    102:277     103:19218   104:3605    105:241     106:876    
 107:1828    108:705     109:3425    110:1635    111:1827    112:1407   
 113:1328    114:1146    115:1698    116:1662    117:1879    118:2207   
 119:1675    120:1118    121:1036    122:2344    123:1686    124:1454   
 125:1952    128:1211    129:667     130:513     131:1630    132:718    
 133:191     134:1039    135:229     136:532     137:668     138:1959   
 139:742     140:564     141:755     142:805     143:1011    144:842    
 145:498     146:1250    147:767     148:1686    149:781     150:769    
 151:996     152:890     153:325     154:2055    155:955     156:1581   
 157:844     158:653     159:1865    160:1467    161:884     162:2639   
 163:757     164:1113    165:1595    166:460     167:1340    168:3158   
 169:865     170:3997    171:499     172:1051    173:2103    174:988    
 175:832     176:2197    177:3999    178:2513    179:1310    180:2171   
 181:2379    182:2598    183:1481    184:1139    185:14352   186:3608   
 187:2483    188:2923    189:2027    190:8322    191:1387    192:9910   
 193:6422    194:5247    195:4034    196:2992    197:1790    198:5665   
 199:5997    200:7314    201:5003    202:10246   203:10195   204:4613   
 205:2996    206:3260    207:3220    208:3970    209:4176    210:3857   
 211:2017    212:3021    213:2819    214:1047    215:55      216:6036   
 217:2188    218:877     219:575     220:1827    221:998     222:969    
 223:1402   

End of report