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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 24 Nov, 2018

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

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

BGP routing table entries examined:                              726367
    Prefixes after maximum aggregation (per Origin AS):          279703
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      348863
Total ASes present in the Internet Routing Table:                 62493
    Prefixes per ASN:                                             11.62
Origin-only ASes present in the Internet Routing Table:           53932
Origin ASes announcing only one prefix:                           23432
Transit ASes present in the Internet Routing Table:                8561
Transit-only ASes present in the Internet Routing Table:            252
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:                      24970
Number of 32-bit ASNs visible in the Routing Table:               20203
Prefixes from 32-bit ASNs in the Routing Table:                   86579
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:            246
Number of addresses announced to Internet:                   2863306529
    Equivalent to 170 /8s, 170 /16s and 151 /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:      242174

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

Prefixes being announced by APNIC Region ASes:                   198658
    Total APNIC prefixes after maximum aggregation:               56566
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          196048
    Unique aggregates announced from the APNIC address blocks:    80608
APNIC Region origin ASes present in the Internet Routing Table:    9245
    APNIC Prefixes per ASN:                                       21.21
APNIC Region origin ASes announcing only one prefix:               2600
APNIC Region transit ASes present in the Internet Routing Table:   1380
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:   4240
Number of APNIC addresses announced to Internet:              768530944
    Equivalent to 45 /8s, 206 /16s and 218 /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:                    215580
    Total ARIN prefixes after maximum aggregation:               102443
    ARIN Deaggregation factor:                                     2.10
Prefixes being announced from the ARIN address blocks:           214924
    Unique aggregates announced from the ARIN address blocks:    102491
ARIN Region origin ASes present in the Internet Routing Table:    18302
    ARIN Prefixes per ASN:                                        11.74
ARIN Region origin ASes announcing only one prefix:                6792
ARIN Region transit ASes present in the Internet Routing Table:    1831
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:    2508
Number of ARIN addresses announced to Internet:              1103264672
    Equivalent to 65 /8s, 194 /16s and 123 /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:                    198248
    Total RIPE prefixes after maximum aggregation:                94720
    RIPE Deaggregation factor:                                     2.09
Prefixes being announced from the RIPE address blocks:           194692
    Unique aggregates announced from the RIPE address blocks:    115221
RIPE Region origin ASes present in the Internet Routing Table:    25652
    RIPE Prefixes per ASN:                                         7.59
RIPE Region origin ASes announcing only one prefix:               11488
RIPE Region transit ASes present in the Internet Routing Table:    3538
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:    7616
Number of RIPE addresses announced to Internet:               715984000
    Equivalent to 42 /8s, 173 /16s and 12 /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:                   94259
    Total LACNIC prefixes after maximum aggregation:              21774
    LACNIC Deaggregation factor:                                   4.33
Prefixes being announced from the LACNIC address blocks:          95642
    Unique aggregates announced from the LACNIC address blocks:   41823
LACNIC Region origin ASes present in the Internet Routing Table:   7809
    LACNIC Prefixes per ASN:                                      12.25
LACNIC Region origin ASes announcing only one prefix:              2144
LACNIC Region transit ASes present in the Internet Routing Table:  1482
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  5353
Number of LACNIC addresses announced to Internet:             172627712
    Equivalent to 10 /8s, 74 /16s and 23 /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:                  19587
    Total AfriNIC prefixes after maximum aggregation:              4172
    AfriNIC Deaggregation factor:                                  4.69
Prefixes being announced from the AfriNIC address blocks:         24815
    Unique aggregates announced from the AfriNIC address blocks:   8490
AfriNIC Region origin ASes present in the Internet Routing Table:  1212
    AfriNIC Prefixes per ASN:                                     20.47
AfriNIC Region origin ASes announcing only one prefix:              408
AfriNIC Region transit ASes present in the Internet Routing Table:  239
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  486
Number of AfriNIC addresses announced to Internet:            102513408
    Equivalent to 6 /8s, 28 /16s and 59 /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         4640       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4621        518     516  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         3004       1153      93  VIETEL-AS-AP Viettel Group, VN
 45899         2958       1689     111  VNPT-AS-VN VNPT Corp, VN
  4766         2826      11130     764  KIXS-AS-KR Korea Telecom, KR
  9829         2747       1496     551  BSNL-NIB National Internet Backbone, IN
  9808         2442       8699      26  CMNET-GD Guangdong Mobile Communication
  9394         2431       4907      31  CTTNET China TieTong Telecommunications
 17974         2247        968      51  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  4755         2121        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
  6327         3495       1324      84  SHAW - Shaw Communications Inc., CA
 11492         3465        224     626  CABLEONE - CABLE ONE, INC., US
 22773         3280       2973     166  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2543       5241     959  AMAZON-02 - Amazon.com, Inc., US
 16625         2222       1205    1659  AKAMAI-AS - Akamai Technologies, Inc., 
 18566         2154        405     109  MEGAPATH5-US - MegaPath Corporation, US
 20115         2144       2740     538  CHARTER-20115 - Charter Communications,
  5650         2087       3074    1462  FRONTIER-FRTR - Frontier Communications
 30036         2070        347     137  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
   209         2047       5079     593  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         5145       1616     134  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3039        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2579        565    1917  AKAMAI-ASN1, US
 12389         2185       2194     615  ROSTELECOM-AS, RU
 34984         2021        336     537  TELLCOM-AS, TR
  9121         1872       1691      17  TTNET, TR
 13188         1605        100      42  TRIOLAN, UA
  8402         1289        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         5440       3313     605  Uninet S.A. de C.V., MX
 10620         3124        475     887  Telmex Colombia S.A., CO
 11830         2675        371      71  Instituto Costarricense de Electricidad
  6503         1662        449      55  Axtel, S.A.B. de C.V., MX
  7303         1439        962     217  Telecom Argentina S.A., AR
 28573         1190       2239     187  CLARO S.A., BR
  6147         1115        377      29  Telefonica del Peru S.A.A., PE
  3816         1024        513     117  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          947        145      70  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
 37611          907        107       9  Afrihost, ZA
 36903          796        400     142  MT-MPLS, MA
 36992          783       1411      44  ETISALAT-MISR, EG
 24863          735        393      22  LINKdotNET-AS, EG
 24835          657        634      21  RAYA-AS, EG
  8452          641       1728      15  TE-AS TE-AS, EG
 37492          467        470      57  ORANGE-, TN
 29571          464         70      12  ORANGE-COTE-IVOIRE, CI
 37342          421         32       1  MOVITEL, MZ
 15399          411         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         5440       3313     605  Uninet S.A. de C.V., MX
 12479         5145       1616     134  UNI2-AS, ES
  4538         4640       4192      74  ERX-CERNET-BKB China Education and Rese
  7545         4621        518     516  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  6327         3495       1324      84  SHAW - Shaw Communications Inc., CA
 11492         3465        224     626  CABLEONE - CABLE ONE, INC., US
 22773         3280       2973     166  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 10620         3124        475     887  Telmex Colombia S.A., CO
  8551         3039        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       5145         5011   UNI2-AS, ES
  4538       4640         4566   ERX-CERNET-BKB China Education and Research Net
  7545       4621         4105   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3495         3411   SHAW - Shaw Communications Inc., CA
 22773       3280         3114   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551       3039         2996   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
  7552       3004         2911   VIETEL-AS-AP Viettel Group, VN
 45899       2958         2847   VNPT-AS-VN VNPT Corp, VN
 11492       3465         2839   CABLEONE - CABLE ONE, INC., US

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
41.76.136.0/22       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
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

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     
/13:566     /14:1117    /15:1897    /16:13314   /17:7884    /18:13881   
/19:25487   /20:39516   /21:46126   /22:90120   /23:74168   /24:409596  
/25:824     /26:638     /27:645     /28:39      /29:20      /30:21      
/31:4       /32:54      

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

   ASN   No of nets  Total ann.  Description
 12479     3961          5145    UNI2-AS, ES
  6327     3267          3495    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2754          3465    CABLEONE - CABLE ONE, INC., US
 22773     2532          3280    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8551     2495          3039    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 18566     2048          2154    MEGAPATH5-US - MegaPath Corporation, US
 11830     2020          2675    Instituto Costarricense de Electricidad y Telec
 30036     1819          2070    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
  5650     1761          2087    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)
----------------------------------------------

   1:1628      2:890       4:18        5:2720      6:43        7:1      
   8:1149     12:1873     13:259      14:1872     15:35       16:3      
  17:195      18:58       20:48       23:2564     24:2405     25:2      
  27:2534     31:2003     32:86       35:31       36:531      37:2939   
  38:1576     39:275      40:120      41:3137     42:730      43:1977   
  44:134      45:6125     46:3044     47:239      49:1320     50:1068   
  51:318      52:1109     54:362      55:1        56:6        57:41     
  58:1693     59:1071     60:463      61:2108     62:1877     63:1800   
  64:5064     65:2173     66:4778     67:2651     68:1157     69:3349   
  70:1152     71:600      72:2244     74:2716     75:408      76:495    
  77:1690     78:1749     79:2214     80:1581     81:1409     82:1057   
  83:819      84:1074     85:2108     86:548      87:1467     88:947    
  89:2400     90:210      91:6473     92:1273     93:2397     94:2395   
  95:3089     96:910      97:348      98:941      99:167     100:87     
 101:1160    102:288     103:19265   104:3608    105:242     106:890    
 107:1832    108:705     109:3407    110:1635    111:1827    112:1405   
 113:1330    114:1146    115:1705    116:1665    117:1882    118:2219   
 119:1669    120:1117    121:1032    122:2354    123:1695    124:1455   
 125:1948    128:1198    129:692     130:514     131:1631    132:717    
 133:193     134:1043    135:224     136:532     137:668     138:1972   
 139:746     140:564     141:758     142:805     143:998     144:844    
 145:498     146:1240    147:768     148:1696    149:790     150:769    
 151:985     152:897     153:327     154:2069    155:958     156:1592   
 157:843     158:656     159:1881    160:1460    161:883     162:2648   
 163:760     164:1121    165:1600    166:459     167:1342    168:3139   
 169:864     170:4019    171:499     172:1056    173:2105    174:987    
 175:865     176:2208    177:3963    178:2516    179:1309    180:2128   
 181:2365    182:2600    183:1320    184:1143    185:14405   186:3618   
 187:2494    188:2931    189:2057    190:8345    191:1380    192:9920   
 193:6410    194:5252    195:4034    196:2995    197:1765    198:5674   
 199:5982    200:7401    201:5017    202:10262   203:10188   204:4611   
 205:3008    206:3259    207:3218    208:3965    209:4181    210:3870   
 211:2022    212:3024    213:2801    214:1055    215:55      216:6046   
 217:2179    218:871     219:577     220:1827    221:999     222:969    
 223:1400   

End of report