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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 05 Oct, 2019

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

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

BGP routing table entries examined:                              775762
    Prefixes after maximum aggregation (per Origin AS):          297902
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      373665
Total ASes present in the Internet Routing Table:                 65737
    Prefixes per ASN:                                             11.80
Origin-only ASes present in the Internet Routing Table:           56544
Origin ASes announcing only one prefix:                           24250
Transit ASes present in the Internet Routing Table:                9193
Transit-only ASes present in the Internet Routing Table:            274
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      43
    Max AS path prepend of ASN ( 19955)                              41
Prefixes from unregistered ASNs in the Routing Table:                28
    Number of instances of unregistered ASNs:                        36
Number of 32-bit ASNs allocated by the RIRs:                      28938
Number of 32-bit ASNs visible in the Routing Table:               23673
Prefixes from 32-bit ASNs in the Routing Table:                  108164
Number of bogon 32-bit ASNs visible in the Routing Table:            26
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            354
Number of addresses announced to Internet:                   2837147776
    Equivalent to 169 /8s, 27 /16s and 112 /24s
    Percentage of available address space announced:               76.6
    Percentage of allocated address space announced:               76.6
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.4
Total number of prefixes smaller than registry allocations:      258239

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

Prefixes being announced by APNIC Region ASes:                   208891
    Total APNIC prefixes after maximum aggregation:               62374
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          203429
    Unique aggregates announced from the APNIC address blocks:    85058
APNIC Region origin ASes present in the Internet Routing Table:   10102
    APNIC Prefixes per ASN:                                       20.14
APNIC Region origin ASes announcing only one prefix:               2803
APNIC Region transit ASes present in the Internet Routing Table:   1498
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         25
Number of APNIC region 32-bit ASNs visible in the Routing Table:   5104
Number of APNIC addresses announced to Internet:              767379072
    Equivalent to 45 /8s, 189 /16s and 70 /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, 131072-141625
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:                    228287
    Total ARIN prefixes after maximum aggregation:               106572
    ARIN Deaggregation factor:                                     2.14
Prefixes being announced from the ARIN address blocks:           226575
    Unique aggregates announced from the ARIN address blocks:    107903
ARIN Region origin ASes present in the Internet Routing Table:    18609
    ARIN Prefixes per ASN:                                        12.18
ARIN Region origin ASes announcing only one prefix:                6902
ARIN Region transit ASes present in the Internet Routing Table:    1915
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          43
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2948
Number of ARIN addresses announced to Internet:              1068060544
    Equivalent to 63 /8s, 169 /16s and 79 /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,  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:                    216767
    Total RIPE prefixes after maximum aggregation:               101499
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           212920
    Unique aggregates announced from the RIPE address blocks:    125969
RIPE Region origin ASes present in the Internet Routing Table:    26460
    RIPE Prefixes per ASN:                                         8.05
RIPE Region origin ASes announcing only one prefix:               11708
RIPE Region transit ASes present in the Internet Routing Table:    3730
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    8508
Number of RIPE addresses announced to Internet:               721641344
    Equivalent to 43 /8s, 3 /16s and 95 /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:                  100239
    Total LACNIC prefixes after maximum aggregation:              23100
    LACNIC Deaggregation factor:                                   4.34
Prefixes being announced from the LACNIC address blocks:         101455
    Unique aggregates announced from the LACNIC address blocks:   44848
LACNIC Region origin ASes present in the Internet Routing Table:   8942
    LACNIC Prefixes per ASN:                                      11.35
LACNIC Region origin ASes announcing only one prefix:              2366
LACNIC Region transit ASes present in the Internet Routing Table:  1672
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        42
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  6495
Number of LACNIC addresses announced to Internet:             173840128
    Equivalent to 10 /8s, 92 /16s and 151 /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:                  21549
    Total AfriNIC prefixes after maximum aggregation:              4336
    AfriNIC Deaggregation factor:                                  4.97
Prefixes being announced from the AfriNIC address blocks:         31029
    Unique aggregates announced from the AfriNIC address blocks:   9578
AfriNIC Region origin ASes present in the Internet Routing Table:  1334
    AfriNIC Prefixes per ASN:                                     23.26
AfriNIC Region origin ASes announcing only one prefix:              471
AfriNIC Region transit ASes present in the Internet Routing Table:  256
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  618
Number of AfriNIC addresses announced to Internet:            105913600
    Equivalent to 6 /8s, 80 /16s and 29 /24s
AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 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         4997        618     593  TPG-INTERNET-AP TPG Telecom Limited, AU
  7552         3243       1331      26  VIETEL-AS-AP Viettel Group, VN
 45899         3065       1762     114  VNPT-AS-VN VNPT Corp, VN
  9829         2735       1493     546  BSNL-NIB National Internet Backbone, IN
  7713         2628        801     475  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9808         2606       9043      63  CMNET-GD Guangdong Mobile Communication
  4766         2548      11121     763  KIXS-AS-KR Korea Telecom, KR
  9498         2187        432     207  BBIL-AP BHARTI Airtel Ltd., IN
  4755         2144        442     197  TATACOMM-AS TATA Communications formerl
  9394         2060       4898      24  CTTNET China TieTong Telecommunications

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
  7155         4058        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 11492         3655        238     687  CABLEONE - CABLE ONE, INC., US
 22773         3470       2973     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3465       1324      93  SHAW - Shaw Communications Inc., CA
 16509         3183       7138    1534  AMAZON-02 - Amazon.com, Inc., US
 16625         2807       1476    2016  AKAMAI-AS - Akamai Technologies, Inc., 
 30036         2215        352     143  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 20115         2150       2770     524  CHARTER-20115 - Charter Communications,
 18566         2078        405     104  MEGAPATH5-US - MegaPath Corporation, US
  5650         2061       3073    1454  FRONTIER-FRTR - Frontier Communications

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         5563       1615     142  UNI2-AS, ES
 39891         4034        219      19  ALJAWWALSTC-AS, SA
  8551         3041        379      46  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 20940         2750        482    1934  AKAMAI-ASN1, US
 31334         2645        484      13  KABELDEUTSCHLAND-AS, DE
 12389         2398       2231     689  ROSTELECOM-AS, RU
  9121         2213       1692      18  TTNET, TR
 34984         2157        350     539  TELLCOM-AS, TR
  9009         1825        197    1005  M247, GB
 13188         1604        100      47  TRIOLAN, 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         6231       3349     587  Uninet S.A. de C.V., MX
 10620         3359        534     459  Telmex Colombia S.A., CO
 11830         2695        370      54  Instituto Costarricense de Electricidad
  6503         1633        378     405  Axtel, S.A.B. de C.V., MX
  7303         1477       1027     278  Telecom Argentina S.A., AR
 28573         1171       2232     193  CLARO S.A., BR
  6147         1092        379      40  Telefonica del Peru S.A.A., PE
 13999         1068        488     250  Mega Cable, S.A. de C.V., MX
  3816         1062        546     124  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          931        110      59  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         1188        394      24  LINKdotNET-AS, EG
 36992          983       1535      73  ETISALAT-MISR, EG
 24835          969        610      24  RAYA-AS, EG
 36903          868        438      95  MT-MPLS, MA
  8452          649       1857      19  TE-AS TE-AS, EG
  6713          626       1863      34  IAM-AS, MA
 29571          528         68      11  ORANGE-COTE-IVOIRE, CI
 15399          415         45      10  WANANCHI-, KE
 37342          402         32       1  MOVITEL, MZ
 23889          365        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         6231       3349     587  Uninet S.A. de C.V., MX
 12479         5563       1615     142  UNI2-AS, ES
  7545         4997        618     593  TPG-INTERNET-AP TPG Telecom Limited, AU
  7155         4058        280      27  VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891         4034        219      19  ALJAWWALSTC-AS, SA
 11492         3655        238     687  CABLEONE - CABLE ONE, INC., US
 22773         3470       2973     156  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  6327         3465       1324      93  SHAW - Shaw Communications Inc., CA
 10620         3359        534     459  Telmex Colombia S.A., CO
  7552         3243       1331      26  VIETEL-AS-AP Viettel Group, VN

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       5563         5421   UNI2-AS, ES
  7545       4997         4404   TPG-INTERNET-AP TPG Telecom Limited, AU
  7155       4058         4031   VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891       4034         4015   ALJAWWALSTC-AS, SA
  6327       3465         3372   SHAW - Shaw Communications Inc., CA
 22773       3470         3314   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  7552       3243         3217   VIETEL-AS-AP Viettel Group, VN
  8551       3041         2995   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11492       3655         2968   CABLEONE - CABLE ONE, INC., US
 45899       3065         2951   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
 260984   UNALLOCATED  45.175.186.0/23      16735       ALGAR TELECOM S/A, BR
 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
  65549   DOCUMENT     117.239.163.0/24     65544       UNKNOWN
  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
 496313   UNALLOCATED  161.170.122.0/24     22773       ASN-CXA-ALL-CCI-22773-RDC - Co
 496313   UNALLOCATED  161.170.123.0/24     22773       ASN-CXA-ALL-CCI-22773-RDC - Co

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

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
41.67.192.0/18       15964    CAMNET-AS, CM
41.67.192.0/24       15964    CAMNET-AS, CM
41.67.200.0/24       15964    CAMNET-AS, CM
41.67.201.0/24       15964    CAMNET-AS, CM
41.67.202.0/24       15964    CAMNET-AS, CM
41.67.203.0/24       15964    CAMNET-AS, CM

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        /8:10       /9:11      /10:37      /11:100     /12:291     
/13:574     /14:1148    /15:1922    /16:13222   /17:8096    /18:13959   
/19:25671   /20:40397   /21:47340   /22:97053   /23:78360   /24:446466  
/25:1105    /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN   No of nets  Total ann.  Description
 12479     4527          5563    UNI2-AS, ES
  6327     3252          3465    SHAW - Shaw Communications Inc., CA
  7155     3147          4058    VIASAT-SP-BACKBONE - ViaSat,Inc., US
 39891     2946          4034    ALJAWWALSTC-AS, SA
 11492     2859          3655    CABLEONE - CABLE ONE, INC., US
 22773     2696          3470    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 31334     2501          2645    KABELDEUTSCHLAND-AS, DE
  8551     2500          3041    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 11830     2042          2695    Instituto Costarricense de Electricidad y Telec
 18566     1973          2078    MEGAPATH5-US - MegaPath Corporation, US

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

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

   1:1593      2:1108      3:6         4:22        5:3020      6:49     
   7:1         8:1361      9:1        12:1798     13:422      14:2129   
  15:46       16:7        17:271      18:77       20:54       23:2943   
  24:2588     25:4        27:2474     31:2757     32:108      35:37     
  36:921      37:2995     38:1810     39:299      40:125      41:3396   
  42:644      43:2092     44:174      45:11283    46:3336     47:266    
  49:1457     50:1106     51:347      52:1063     54:260      55:683    
  56:6        57:48       58:2030     59:1123     60:606      61:2220   
  62:2047     63:1865     64:5013     65:2266     66:4785     67:2731   
  68:1217     69:3584     70:1392     71:673      72:2709     74:2684   
  75:1288     76:596      77:2564     78:2005     79:2320     80:1807   
  81:1530     82:1181     83:925      84:1176     85:2363     86:553    
  87:1596     88:1140     89:2576     90:233      91:6617     92:1432   
  93:2460     94:2603     95:3688     96:957      97:339      98:955    
  99:832     100:84      101:1094    102:669     103:22300   104:3635   
 105:296     106:827     107:1804    108:682     109:3544    110:1785   
 111:1999    112:1551    113:1401    114:1292    115:1808    116:1771   
 117:1958    118:2170    119:1658    120:1089    121:1055    122:2316   
 123:1851    124:1532    125:2016    128:1378    129:866     130:547    
 131:1828    132:762     133:227     134:1103    135:260     136:605    
 137:810     138:2110    139:958     140:651     141:898     142:793    
 143:1105    144:895     145:285     146:1423    147:886     148:1840   
 149:1005    150:828     151:1262    152:1407    153:360     154:4419   
 155:889     156:2650    157:1063    158:699     159:1936    160:1622   
 161:976     162:2997    163:852     164:1296    165:1186    166:523    
 167:1445    168:3549    169:485     170:4204    171:694     172:1738   
 173:2302    174:1035    175:996     176:2506    177:4073    178:2758   
 179:1431    180:2141    181:2371    182:2806    183:1155    184:2278   
 185:15436   186:3771    187:2538    188:3402    189:2080    190:8281   
 191:1471    192:10043   193:6768    194:5531    195:4203    196:3140   
 197:1810    198:6024    199:5942    200:7188    201:5203    202:10454  
 203:10244   204:4585    205:3081    206:3225    207:3266    208:3931   
 209:4305    210:3923    211:2045    212:3286    213:2964    214:1146   
 215:54      216:5870    217:2240    218:885     219:606     220:1925   
 221:972     222:1014    223:1392   

End of report