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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 16 Mar, 2019

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

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

BGP routing table entries examined:                              742746
    Prefixes after maximum aggregation (per Origin AS):          284987
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      357165
Total ASes present in the Internet Routing Table:                 63650
    Prefixes per ASN:                                             11.67
Origin-only ASes present in the Internet Routing Table:           54847
Origin ASes announcing only one prefix:                           23682
Transit ASes present in the Internet Routing Table:                8803
Transit-only ASes present in the Internet Routing Table:            268
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      30
    Max AS path prepend of ASN ( 16327)                              25
Prefixes from unregistered ASNs in the Routing Table:                28
    Number of instances of unregistered ASNs:                        32
Number of 32-bit ASNs allocated by the RIRs:                      26173
Number of 32-bit ASNs visible in the Routing Table:               21355
Prefixes from 32-bit ASNs in the Routing Table:                   93575
Number of bogon 32-bit ASNs visible in the Routing Table:            27
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            266
Number of addresses announced to Internet:                   2844073699
    Equivalent to 169 /8s, 133 /16s and 30 /24s
    Percentage of available address space announced:               76.8
    Percentage of allocated address space announced:               76.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.2
Total number of prefixes smaller than registry allocations:      249117

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

Prefixes being announced by APNIC Region ASes:                   202186
    Total APNIC prefixes after maximum aggregation:               58207
    APNIC Deaggregation factor:                                    3.47
Prefixes being announced from the APNIC address blocks:          198865
    Unique aggregates announced from the APNIC address blocks:    82260
APNIC Region origin ASes present in the Internet Routing Table:    9619
    APNIC Prefixes per ASN:                                       20.67
APNIC Region origin ASes announcing only one prefix:               2700
APNIC Region transit ASes present in the Internet Routing Table:   1413
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   4579
Number of APNIC addresses announced to Internet:              769643394
    Equivalent to 45 /8s, 223 /16s and 211 /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:                    219026
    Total ARIN prefixes after maximum aggregation:               103651
    ARIN Deaggregation factor:                                     2.11
Prefixes being announced from the ARIN address blocks:           218231
    Unique aggregates announced from the ARIN address blocks:    104548
ARIN Region origin ASes present in the Internet Routing Table:    18424
    ARIN Prefixes per ASN:                                        11.84
ARIN Region origin ASes announcing only one prefix:                6859
ARIN Region transit ASes present in the Internet Routing Table:    1865
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2621
Number of ARIN addresses announced to Internet:              1079341216
    Equivalent to 64 /8s, 85 /16s and 112 /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:                    204462
    Total RIPE prefixes after maximum aggregation:                97382
    RIPE Deaggregation factor:                                     2.10
Prefixes being announced from the RIPE address blocks:           200655
    Unique aggregates announced from the RIPE address blocks:    118971
RIPE Region origin ASes present in the Internet Routing Table:    25885
    RIPE Prefixes per ASN:                                         7.75
RIPE Region origin ASes announcing only one prefix:               11501
RIPE Region transit ASes present in the Internet Routing Table:    3644
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:    7901
Number of RIPE addresses announced to Internet:               717893568
    Equivalent to 42 /8s, 202 /16s and 47 /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:                   96351
    Total LACNIC prefixes after maximum aggregation:              21437
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:          97712
    Unique aggregates announced from the LACNIC address blocks:   41886
LACNIC Region origin ASes present in the Internet Routing Table:   8174
    LACNIC Prefixes per ASN:                                      11.95
LACNIC Region origin ASes announcing only one prefix:              2189
LACNIC Region transit ASes present in the Internet Routing Table:  1526
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        25
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  5721
Number of LACNIC addresses announced to Internet:             173387264
    Equivalent to 10 /8s, 85 /16s and 174 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-270748 + 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:                  20692
    Total AfriNIC prefixes after maximum aggregation:              4288
    AfriNIC Deaggregation factor:                                  4.83
Prefixes being announced from the AfriNIC address blocks:         27017
    Unique aggregates announced from the AfriNIC address blocks:   9261
AfriNIC Region origin ASes present in the Internet Routing Table:  1261
    AfriNIC Prefixes per ASN:                                     21.43
AfriNIC Region origin ASes announcing only one prefix:              433
AfriNIC Region transit ASes present in the Internet Routing Table:  251
Average AfriNIC Region AS path length visible:                      4.4
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  533
Number of AfriNIC addresses announced to Internet:            103540480
    Equivalent to 6 /8s, 43 /16s and 231 /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
  7545         4666        542     544  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4658       4192      74  ERX-CERNET-BKB China Education and Rese
  7552         3100       1240      49  VIETEL-AS-AP Viettel Group, VN
 45899         3037       1737     111  VNPT-AS-VN VNPT Corp, VN
  4766         2813      11125     767  KIXS-AS-KR Korea Telecom, KR
  9829         2749       1496     550  BSNL-NIB National Internet Backbone, IN
  9808         2431       8699      26  CMNET-GD Guangdong Mobile Communication
  9394         2335       4906      30  CTTNET China TieTong Telecommunications
  4755         2140        422     179  TATACOMM-AS TATA Communications formerl
  9498         2019        426     163  BBIL-AP BHARTI Airtel Ltd., IN

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         3616       1326      91  SHAW - Shaw Communications Inc., CA
 11492         3548        229     616  CABLEONE - CABLE ONE, INC., US
 22773         3367       2977     164  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 16509         2504       5372    1065  AMAZON-02 - Amazon.com, Inc., US
 16625         2245       1280    1763  AKAMAI-AS - Akamai Technologies, Inc., 
 20115         2150       2746     536  CHARTER-20115 - Charter Communications,
 30036         2126        352     145  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 18566         2113        405     108  MEGAPATH5-US - MegaPath Corporation, US
  5650         2093       3074    1462  FRONTIER-FRTR - Frontier Communications
   209         2081       5094     582  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         5417       1628     138  UNI2-AS, ES
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  8551         3282        378      45  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2644        543    1918  AKAMAI-ASN1, US
 12389         2227       2221     637  ROSTELECOM-AS, RU
 34984         2060        340     538  TELLCOM-AS, TR
  9121         1680       1693      19  TTNET, TR
 13188         1604        100      46  TRIOLAN, UA
  9009         1395        148     762  M247, GB
  8402         1294        545      15  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         5628       3333     590  Uninet S.A. de C.V., MX
 10620         3520        539     333  Telmex Colombia S.A., CO
 11830         2706        384      34  Instituto Costarricense de Electricidad
  6503         1467        433      54  Axtel, S.A.B. de C.V., MX
  7303         1435        971     232  Telecom Argentina S.A., AR
 28573         1331       2247     180  CLARO S.A., BR
  6147         1242        377      29  Telefonica del Peru S.A.A., PE
  3816         1022        505     113  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 13999          951        518     247  Mega Cable, S.A. de C.V., MX
 11172          928        144      66  Alestra, S. de R.L. 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         1207        393      21  LINKdotNET-AS, EG
 37611          902        107       9  Afrihost, ZA
 24835          848        636      22  RAYA-AS, EG
 36903          828        416     125  MT-MPLS, MA
 36992          800       1531      70  ETISALAT-MISR, EG
  8452          700       1731      19  TE-AS TE-AS, EG
 29571          485         70      12  ORANGE-COTE-IVOIRE, CI
 37492          470        470      57  ORANGE-, TN
 15399          429         45      11  WANANCHI-, KE
 37342          420         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
  8151         5628       3333     590  Uninet S.A. de C.V., MX
 12479         5417       1628     138  UNI2-AS, ES
  7545         4666        542     544  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538         4658       4192      74  ERX-CERNET-BKB China Education and Rese
 39891         3778        203      20  ALJAWWALSTC-AS, SA
  6327         3616       1326      91  SHAW - Shaw Communications Inc., CA
 11492         3548        229     616  CABLEONE - CABLE ONE, INC., US
 10620         3520        539     333  Telmex Colombia S.A., CO
 22773         3367       2977     164  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  8551         3282        378      45  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       5417         5279   UNI2-AS, ES
  4538       4658         4584   ERX-CERNET-BKB China Education and Research Net
  7545       4666         4122   TPG-INTERNET-AP TPG Telecom Limited, AU
 39891       3778         3758   ALJAWWALSTC-AS, SA
  6327       3616         3525   SHAW - Shaw Communications Inc., CA
  8551       3282         3237   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773       3367         3203   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 10620       3520         3187   Telmex Colombia S.A., CO
  7552       3100         3051   VIETEL-AS-AP Viettel Group, VN
 11492       3548         2932   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
  65550   DOCUMENT     81.8.34.0/24         15924       BORUSANTELEKOM-AS, TR
  65550   DOCUMENT     81.8.35.0/24         15924       BORUSANTELEKOM-AS, TR
1358592   UNALLOCATED  103.134.14.0/23      63956       COLO-AS-AP Colocation Australi
1358592   UNALLOCATED  103.134.15.0/24      63956       COLO-AS-AP Colocation Australi
  65549   DOCUMENT     117.239.163.0/24     65544       UNKNOWN
 224413   UNALLOCATED  131.221.136.0/24    264413       Conecta Telecom Ltda, BR
  64339   UNALLOCATED  143.0.108.0/22       18747       IFX18747 - IFX Corporation, US
  64355   UNALLOCATED  156.40.196.0/24      30387       NIH-NET-NCCS - National Instit

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
27.126.156.0/22      55827    UNKNOWN
27.126.156.0/23      55827    UNKNOWN
27.126.158.0/23      55827    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
41.220.48.0/20       36900    -Reserved AS-, ZZ
43.255.80.0/24       36351    SOFTLAYER - SoftLayer Technologies Inc., US

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        /8:12       /9:10      /10:36      /11:100     /12:291     
/13:566     /14:1136    /15:1911    /16:13356   /17:7943    /18:13895   
/19:25659   /20:39907   /21:46216   /22:92831   /23:75798   /24:420122  
/25:965     /26:845     /27:903     /28:27      /29:7       /30:13      
/31:0       /32:197     

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

   ASN   No of nets  Total ann.  Description
 12479     4294          5417    UNI2-AS, ES
  6327     3391          3616    SHAW - Shaw Communications Inc., CA
 39891     2946          3778    ALJAWWALSTC-AS, SA
 11492     2780          3548    CABLEONE - CABLE ONE, INC., US
  8551     2736          3282    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773     2607          3367    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 11830     2051          2706    Instituto Costarricense de Electricidad y Telec
 18566     2008          2113    MEGAPATH5-US - MegaPath Corporation, US
 30036     1873          2126    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
  5650     1761          2093    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)
----------------------------------------------

   1:1606      2:839       4:22        5:2899      6:45        7:1      
   8:1187      9:1        11:3        12:1858     13:313      14:1931   
  15:37       16:4        17:237      18:59       20:49       23:2622   
  24:2536     25:2        27:2543     31:2074     32:97       35:36     
  36:839      37:3036     38:1688     39:295      40:120      41:3161   
  42:749      43:2024     44:147      45:6934     46:3252     47:251    
  49:1356     50:1099     51:322      52:1023     54:289      55:2      
  56:9        57:41       58:1720     59:1076     60:496      61:2076   
  62:2001     63:1812     64:4998     65:2213     66:4838     67:2702   
  68:1150     69:3530     70:1329     71:602      72:2444     74:2763   
  75:512      76:549      77:1717     78:1760     79:2328     80:1770   
  81:1503     82:1127     83:883      84:1101     85:2270     86:532    
  87:1553     88:1034     89:2469     90:215      91:6585     92:1317   
  93:2436     94:2588     95:3187     96:919      97:347      98:946    
  99:206     100:88      101:1153    102:465     103:20546   104:3548   
 105:248     106:857     107:1768    108:689     109:3719    110:1637   
 111:1880    112:1472    113:1392    114:1135    115:1725    116:1714   
 117:1892    118:2179    119:1641    120:1023    121:1033    122:2299   
 123:1656    124:1448    125:1968    128:1264    129:830     130:531    
 131:1624    132:736     133:219     134:1050    135:242     136:560    
 137:711     138:2012    139:846     140:573     141:843     142:798    
 143:1052    144:836     145:514     146:1262    147:800     148:1707   
 149:824     150:782     151:1005    152:1022    153:322     154:2906   
 155:899     156:1722    157:921     158:641     159:1918    160:1521   
 161:920     162:2685    163:795     164:1139    165:1583    166:441    
 167:1400    168:3272    169:842     170:4052    171:571     172:1112   
 173:2190    174:1014    175:905     176:2321    177:4150    178:2537   
 179:1416    180:2131    181:2393    182:2687    183:1068    184:1186   
 185:14855   186:3647    187:2479    188:2898    189:1987    190:8291   
 191:1527    192:10044   193:6644    194:5393    195:4066    196:3007   
 197:1637    198:5822    199:5987    200:7199    201:5105    202:10372  
 203:10242   204:4563    205:3011    206:3229    207:3287    208:3962   
 209:4237    210:3931    211:2000    212:3092    213:2887    214:1086   
 215:55      216:5933    217:2227    218:875     219:580     220:1866   
 221:967     222:998     223:1414   

End of report