Weekly Routing Table Report

Routing Analysis Role Account cscora at apnic.net
Fri Dec 22 18:02:48 CST 2017


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, CaribNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats at lists.apnic.net

For historical data, please see http://thyme.rand.apnic.net.

If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.

Routing Table Report   04:00 +10GMT Sat 23 Dec, 2017

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

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

BGP routing table entries examined:                              676712
    Prefixes after maximum aggregation (per Origin AS):          263365
    Deaggregation factor:                                          2.57
    Unique aggregates announced (without unneeded subnets):      327650
Total ASes present in the Internet Routing Table:                 59421
    Prefixes per ASN:                                             11.39
Origin-only ASes present in the Internet Routing Table:           51300
Origin ASes announcing only one prefix:                           22596
Transit ASes present in the Internet Routing Table:                8121
Transit-only ASes present in the Internet Routing Table:            251
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      30
    Max AS path prepend of ASN ( 29046)                              25
Prefixes from unregistered ASNs in the Routing Table:                79
    Number of instances of unregistered ASNs:                        79
Number of 32-bit ASNs allocated by the RIRs:                      20993
Number of 32-bit ASNs visible in the Routing Table:               16811
Prefixes from 32-bit ASNs in the Routing Table:                   69214
Number of bogon 32-bit ASNs visible in the Routing Table:            10
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            329
Number of addresses announced to Internet:                   2859271842
    Equivalent to 170 /8s, 109 /16s and 6 /24s
    Percentage of available address space announced:               77.2
    Percentage of allocated address space announced:               77.2
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               98.8
Total number of prefixes smaller than registry allocations:      224135

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

Prefixes being announced by APNIC Region ASes:                   185943
    Total APNIC prefixes after maximum aggregation:               53409
    APNIC Deaggregation factor:                                    3.48
Prefixes being announced from the APNIC address blocks:          185047
    Unique aggregates announced from the APNIC address blocks:    77442
APNIC Region origin ASes present in the Internet Routing Table:    8547
    APNIC Prefixes per ASN:                                       21.65
APNIC Region origin ASes announcing only one prefix:               2408
APNIC Region transit ASes present in the Internet Routing Table:   1245
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3421
Number of APNIC addresses announced to Internet:              770053922
    Equivalent to 45 /8s, 230 /16s and 23 /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, 131072-137529
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:                    202379
    Total ARIN prefixes after maximum aggregation:                97452
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:           203716
    Unique aggregates announced from the ARIN address blocks:     95500
ARIN Region origin ASes present in the Internet Routing Table:    18029
    ARIN Prefixes per ASN:                                        11.30
ARIN Region origin ASes announcing only one prefix:                6674
ARIN Region transit ASes present in the Internet Routing Table:    1779
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2281
Number of ARIN addresses announced to Internet:              1106986784
    Equivalent to 65 /8s, 251 /16s and 71 /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, 393216-397212
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:                    182847
    Total RIPE prefixes after maximum aggregation:                89132
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           178751
    Unique aggregates announced from the RIPE address blocks:    107603
RIPE Region origin ASes present in the Internet Routing Table:    24765
    RIPE Prefixes per ASN:                                         7.22
RIPE Region origin ASes announcing only one prefix:               11320
RIPE Region transit ASes present in the Internet Routing Table:    3518
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:    6513
Number of RIPE addresses announced to Internet:               713948800
    Equivalent to 42 /8s, 141 /16s and 254 /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
                       196608-207259
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:                   87520
    Total LACNIC prefixes after maximum aggregation:              19386
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:          88799
    Unique aggregates announced from the LACNIC address blocks:   39619
LACNIC Region origin ASes present in the Internet Routing Table:   6686
    LACNIC Prefixes per ASN:                                      13.28
LACNIC Region origin ASes announcing only one prefix:              1824
LACNIC Region transit ASes present in the Internet Routing Table:  1240
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        29
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4209
Number of LACNIC addresses announced to Internet:             172723424
    Equivalent to 10 /8s, 75 /16s and 140 /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:                  17942
    Total AfriNIC prefixes after maximum aggregation:              3926
    AfriNIC Deaggregation factor:                                  4.57
Prefixes being announced from the AfriNIC address blocks:         20070
    Unique aggregates announced from the AfriNIC address blocks:   7218
AfriNIC Region origin ASes present in the Internet Routing Table:  1113
    AfriNIC Prefixes per ASN:                                     18.03
AfriNIC Region origin ASes announcing only one prefix:              369
AfriNIC Region transit ASes present in the Internet Routing Table:  218
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  387
Number of AfriNIC addresses announced to Internet:             95150080
    Equivalent to 5 /8s, 171 /16s and 224 /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         5425       4194      86  ERX-CERNET-BKB China Education and Rese
  7545         3271        403     389  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2839      11130     762  KIXS-AS-KR Korea Telecom, KR
 17974         2782        918      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9829         2765       1499     540  BSNL-NIB National Internet Backbone, IN
 45899         2561       1530     154  VNPT-AS-VN VNPT Corp, VN
  7552         2429       1158      56  VIETEL-AS-AP Viettel Group, VN
  9394         2168       4923      26  CTTNET China TieTong Telecommunications
  9808         2112       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2086        417     211  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         3341       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3307       2951     146  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2169        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2066       2324     465  CHARTER-NET-HKY-NC - Charter Communicat
 16509         1985       4081     581  AMAZON-02 - Amazon.com, Inc., US
  6389         1960       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
   209         1943       5063     648  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1865        332     247  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 11492         1700        233     579  CABLEONE - CABLE ONE, INC., US
  7018         1670      20197    1242  ATT-INTERNET4 - AT&T Services, Inc., US

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
 39891         3519        186      23  ALJAWWALSTC-AS, SA
 20940         2857        848    2060  AKAMAI-ASN1, US
  8551         2480        378      42  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389         2082       1809     683  ROSTELECOM-AS, RU
 34984         2043        331     452  TELLCOM-AS, TR
 12479         1975       1068     127  UNI2-AS, ES
  9121         1932       1691      17  TTNET, TR
 13188         1605        100      46  TRIOLAN, UA
  6849         1227        355      21  UKRTELNET, UA
  8402         1225        544      14  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         3651       3467     600  Uninet S.A. de C.V., MX
 10620         3578        539     261  Telmex Colombia S.A., CO
 11830         2630        370      66  Instituto Costarricense de Electricidad
  6503         1617        437      53  Axtel, S.A.B. de C.V., MX
  7303         1498       1022     194  Telecom Argentina S.A., AR
  6147         1193        377      27  Telefonica del Peru S.A.A., PE
 28573         1022       2259     189  CLARO S.A., BR
  3816         1015        509     115  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 11172          920        126      85  Alestra, S. de R.L. de C.V., MX
 18881          904       1065      27  TELEFÔNICA BRASIL S.A, BR

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

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

   ASN   No of nets  /20 equiv  MaxAgg  Description
 24863         1196        398      48  LINKdotNET-AS, EG
 37611          779         91       8  Afrihost, ZA
 36903          737        370     135  MT-MPLS, MA
 36992          678       1383      31  ETISALAT-MISR, EG
  8452          526       1730      18  TE-AS TE-AS, EG
 24835          515        850      15  RAYA-AS, EG
 29571          444         36      13  CITelecom-AS, CI
 37492          435        367      77  ORANGE-, TN
 37342          356         32       1  MOVITEL, MZ
 15399          349         35       7  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
  4538         5425       4194      86  ERX-CERNET-BKB China Education and Rese
  8151         3651       3467     600  Uninet S.A. de C.V., MX
 10620         3578        539     261  Telmex Colombia S.A., CO
 39891         3519        186      23  ALJAWWALSTC-AS, SA
  6327         3341       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3307       2951     146  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  7545         3271        403     389  TPG-INTERNET-AP TPG Telecom Limited, AU
 20940         2857        848    2060  AKAMAI-ASN1, US
  4766         2839      11130     762  KIXS-AS-KR Korea Telecom, KR
 17974         2782        918      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo

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

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

  ASN   No of nets  Net Savings  Description
 39891       3519         3496   ALJAWWALSTC-AS, SA
 10620       3578         3317   Telmex Colombia S.A., CO
  6327       3341         3255   SHAW - Shaw Communications Inc., CA
 22773       3307         3161   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
  8151       3651         3051   Uninet S.A. de C.V., MX
  7545       3271         2882   TPG-INTERNET-AP TPG Telecom Limited, AU
 17974       2782         2705   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
 11830       2630         2564   Instituto Costarricense de Electricidad y Telec
  8551       2480         2438   BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 45899       2561         2407   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
  64525   PRIVATE      45.119.143.0/24     133275       GIGANTIC-AS Gigantic Infotel P
  64525   PRIVATE      45.125.62.0/24      133275       GIGANTIC-AS Gigantic Infotel P
  65530   PRIVATE      45.249.40.0/24      133720       SOFTCALLCOC-AS SOFT CALL CUST-
  65001   PRIVATE      46.237.40.0/21       13118       ASN-YARTELECOM PJSC Rostelecom
  64513   PRIVATE      62.150.101.0/24       9155       QNET Kuwait, KW
 419333   UNALLOCATED  84.17.91.0/24        41933       IPRAGAZ-AS Istanbul/ TURKEY, T
  64609   PRIVATE      94.245.126.0/24       6584       MICROSOFT-GP-AS - Microsoft Co
  65000   PRIVATE      95.179.2.0/24        65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.3.0/24        65001       -Private Use AS-, ZZ
  65000   PRIVATE      95.179.69.0/24       65001       -Private Use AS-, ZZ

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

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

Network            Origin AS  Description
14.128.14.0/23       10247    NETLINE, ZA
14.192.50.0/23       10247    NETLINE, ZA
14.192.58.0/23       10247    NETLINE, ZA
27.100.7.0/24        56096    UNKNOWN
36.255.250.0/23      10247    NETLINE, ZA
41.78.180.0/23       37265    -Reserved AS-, ZZ
43.228.144.0/22       9829    BSNL-NIB National Internet Backbone, IN
43.251.20.0/22        9381    WTT-AS-AP WTT HK Limited, HK
43.251.84.0/22      133676    PNPL-AS Precious netcom pvt ltd, IN
43.251.84.0/23      133676    PNPL-AS Precious netcom pvt ltd, IN

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        /8:15       /9:12      /10:37      /11:99      /12:279     
/13:557     /14:1089    /15:1897    /16:13408   /17:7789    /18:13677   
/19:25255   /20:38926   /21:44300   /22:82564   /23:66626   /24:377942  
/25:836     /26:605     /27:661     /28:36      /29:21      /30:17      
/31:4       /32:60      

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

   ASN   No of nets  Total ann.  Description
  6327     3133          3341    SHAW - Shaw Communications Inc., CA
 39891     2946          3519    ALJAWWALSTC-AS, SA
 22773     2552          3307    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2063          2169    MEGAPATH5-US - MegaPath Corporation, US
 11830     1976          2630    Instituto Costarricense de Electricidad y Telec
  8551     1944          2480    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1632          1865    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1576          3578    Telmex Colombia S.A., CO
 11492     1498          1700    CABLEONE - CABLE ONE, INC., US
  9121     1408          1932    TTNET, TR

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

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

   1:1573      2:826       4:18        5:2640      6:39        8:1094   
   9:1        12:1854     13:196      14:1759     15:28       16:3      
  17:185      18:76       20:53       21:12       23:2481     24:1922   
  25:2        27:2354     31:1963     32:87       35:22       36:455    
  37:2466     38:1465     39:171      40:101      41:3032     42:535    
  43:1918     44:89       45:3458     46:2911     47:191      49:1370   
  50:1052     51:47       52:918      54:355      55:6        56:7      
  57:43       58:1574     59:1005     60:380      61:1989     62:1761   
  63:1828     64:4640     65:2242     66:4484     67:2307     68:1192   
  69:3163     70:1132     71:587      72:2114     74:2695     75:392    
  76:423      77:1551     78:1608     79:1929     80:1464     81:1418   
  82:1068     83:764      84:1005     85:1980     86:492      87:1214   
  88:914      89:2316     90:174      91:6278     92:1032     93:2349   
  94:2384     95:2708     96:667      97:356      98:961      99:107    
 100:153     101:1532    102:10      103:16522   104:3197    105:215    
 106:520     107:1786    108:820     109:2898    110:1540    111:1730   
 112:1284    113:1389    114:1123    115:1600    116:1663    117:1637   
 118:2208    119:1651    120:910     121:1059    122:2414    123:1873   
 124:1484    125:1838    128:959     129:580     130:435     131:1636   
 132:593     133:193     134:987     135:221     136:449     137:458    
 138:1984    139:555     140:388     141:681     142:769     143:937    
 144:793     145:195     146:1146    147:684     148:1487    149:646    
 150:720     151:1002    152:754     153:306     154:973     155:745    
 156:744     157:741     158:597     159:1641    160:847     161:734    
 162:2546    163:533     164:967     165:1478    166:398     167:1349   
 168:3134    169:789     170:3618    171:402     172:1017    173:1917   
 174:842     175:771     176:1867    177:3940    178:2496    179:1142   
 180:2247    181:2137    182:2408    183:1034    184:894     185:11869  
 186:3454    187:2326    188:2646    189:1941    190:8216    191:1347   
 192:9720    193:5860    194:4778    195:3992    196:2319    197:1438   
 198:5535    199:5889    200:7252    201:4895    202:10394   203:9930   
 204:4560    205:2874    206:3043    207:3108    208:3998    209:3933   
 210:3989    211:2131    212:2918    213:2615    214:859     215:65     
 216:5727    217:2112    218:911     219:628     220:1734    221:980    
 222:743     223:1226   

End of report


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