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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, CaribNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG 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 27 Jan, 2018

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

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

BGP routing table entries examined:                              681768
    Prefixes after maximum aggregation (per Origin AS):          264615
    Deaggregation factor:                                          2.58
    Unique aggregates announced (without unneeded subnets):      329600
Total ASes present in the Internet Routing Table:                 59686
    Prefixes per ASN:                                             11.42
Origin-only ASes present in the Internet Routing Table:           51539
Origin ASes announcing only one prefix:                           22682
Transit ASes present in the Internet Routing Table:                8147
Transit-only ASes present in the Internet Routing Table:            244
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      34
    Max AS path prepend of ASN ( 30873)                              32
Prefixes from unregistered ASNs in the Routing Table:                56
    Number of instances of unregistered ASNs:                        57
Number of 32-bit ASNs allocated by the RIRs:                      21301
Number of 32-bit ASNs visible in the Routing Table:               17091
Prefixes from 32-bit ASNs in the Routing Table:                   70682
Number of bogon 32-bit ASNs visible in the Routing Table:            12
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:            382
Number of addresses announced to Internet:                   2864141986
    Equivalent to 170 /8s, 183 /16s and 86 /24s
    Percentage of available address space announced:               77.4
    Percentage of allocated address space announced:               77.4
    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:      225073

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

Prefixes being announced by APNIC Region ASes:                   188350
    Total APNIC prefixes after maximum aggregation:               53700
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          187417
    Unique aggregates announced from the APNIC address blocks:    77419
APNIC Region origin ASes present in the Internet Routing Table:    8612
    APNIC Prefixes per ASN:                                       21.76
APNIC Region origin ASes announcing only one prefix:               2445
APNIC Region transit ASes present in the Internet Routing Table:   1266
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   3505
Number of APNIC addresses announced to Internet:              772118050
    Equivalent to 46 /8s, 5 /16s and 150 /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:                    203112
    Total ARIN prefixes after maximum aggregation:                97653
    ARIN Deaggregation factor:                                     2.08
Prefixes being announced from the ARIN address blocks:           204292
    Unique aggregates announced from the ARIN address blocks:     96430
ARIN Region origin ASes present in the Internet Routing Table:    18065
    ARIN Prefixes per ASN:                                        11.31
ARIN Region origin ASes announcing only one prefix:                6688
ARIN Region transit ASes present in the Internet Routing Table:    1793
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2297
Number of ARIN addresses announced to Internet:              1110265632
    Equivalent to 66 /8s, 45 /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, 393216-397212
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:                    184061
    Total RIPE prefixes after maximum aggregation:                89767
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           180043
    Unique aggregates announced from the RIPE address blocks:    108365
RIPE Region origin ASes present in the Internet Routing Table:    24847
    RIPE Prefixes per ASN:                                         7.25
RIPE Region origin ASes announcing only one prefix:               11347
RIPE Region transit ASes present in the Internet Routing Table:    3493
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:    6597
Number of RIPE addresses announced to Internet:               713684608
    Equivalent to 42 /8s, 137 /16s and 246 /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:                   88156
    Total LACNIC prefixes after maximum aggregation:              19458
    LACNIC Deaggregation factor:                                   4.53
Prefixes being announced from the LACNIC address blocks:          89462
    Unique aggregates announced from the LACNIC address blocks:   39903
LACNIC Region origin ASes present in the Internet Routing Table:   6782
    LACNIC Prefixes per ASN:                                      13.19
LACNIC Region origin ASes announcing only one prefix:              1841
LACNIC Region transit ASes present in the Internet Routing Table:  1255
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  4306
Number of LACNIC addresses announced to Internet:             172245984
    Equivalent to 10 /8s, 68 /16s and 67 /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:                  18031
    Total AfriNIC prefixes after maximum aggregation:              3994
    AfriNIC Deaggregation factor:                                  4.51
Prefixes being announced from the AfriNIC address blocks:         20172
    Unique aggregates announced from the AfriNIC address blocks:   7212
AfriNIC Region origin ASes present in the Internet Routing Table:  1111
    AfriNIC Prefixes per ASN:                                     18.16
AfriNIC Region origin ASes announcing only one prefix:              360
AfriNIC Region transit ASes present in the Internet Routing Table:  224
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:  386
Number of AfriNIC addresses announced to Internet:             95422720
    Equivalent to 5 /8s, 176 /16s and 9 /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         5439       4195      92  ERX-CERNET-BKB China Education and Rese
  7545         3802        407     412  TPG-INTERNET-AP TPG Telecom Limited, AU
  4766         2881      11132     770  KIXS-AS-KR Korea Telecom, KR
  9829         2770       1499     540  BSNL-NIB National Internet Backbone, IN
 17974         2766        934      77  TELKOMNET-AS2-AP PT Telekomunikasi Indo
  9394         2655       4923      27  CTTNET China TieTong Telecommunications
  7552         2582       1157      63  VIETEL-AS-AP Viettel Group, VN
 45899         2549       1550     154  VNPT-AS-VN VNPT Corp, VN
  9808         2118       8699      32  CMNET-GD Guangdong Mobile Communication
  4755         2083        417     209  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         3369       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3264       2951     143  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
 18566         2167        405     108  MEGAPATH5-US - MegaPath Corporation, US
 20115         2080       2363     436  CHARTER-NET-HKY-NC - Charter Communicat
 16509         2009       4163     574  AMAZON-02 - Amazon.com, Inc., US
  6389         1957       3671      39  BELLSOUTH-NET-BLK - BellSouth.net Inc.,
   209         1933       5059     619  CENTURYLINK-US-LEGACY-QWEST - Qwest Com
 30036         1888        333     227  MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
 11492         1724        230     566  CABLEONE - CABLE ONE, INC., US
  7018         1677      20167    1247  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         3520        187      21  ALJAWWALSTC-AS, SA
 20940         2839        833    2056  AKAMAI-ASN1, US
  8551         2235        378      43  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12479         2129       1108     216  UNI2-AS, ES
 12389         2114       1859     698  ROSTELECOM-AS, RU
 34984         2002        332     477  TELLCOM-AS, TR
  9121         1939       1691      17  TTNET, TR
 13188         1605        100      46  TRIOLAN, UA
  8402         1271        544      14  CORBINA-AS OJSC "Vimpelcom", RU
  6849         1228        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         3857       3350     577  Uninet S.A. de C.V., MX
 10620         3579        540     252  Telmex Colombia S.A., CO
 11830         2635        370      66  Instituto Costarricense de Electricidad
  6503         1629        437      53  Axtel, S.A.B. de C.V., MX
  7303         1502       1024     193  Telecom Argentina S.A., AR
  6147         1075        377      27  Telefonica del Peru S.A.A., PE
  3816         1014        509     114  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 28573         1014       2241     189  CLARO S.A., BR
 11172          919        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         1192        398      50  LINKdotNET-AS, EG
 37611          786         91       8  Afrihost, ZA
 36903          714        358     186  MT-MPLS, MA
 36992          667       1379      36  ETISALAT-MISR, EG
  8452          531       1730      18  TE-AS TE-AS, EG
 24835          478        786      17  RAYA-AS, EG
 29571          458         36      13  ORANGE-COTE-IVOIRE, CI
 37492          449        367      77  ORANGE-, TN
 15399          352         35       7  WANANCHI-, KE
 23889          313        103      14  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
  4538         5439       4195      92  ERX-CERNET-BKB China Education and Rese
  8151         3857       3350     577  Uninet S.A. de C.V., MX
  7545         3802        407     412  TPG-INTERNET-AP TPG Telecom Limited, AU
 10620         3579        540     252  Telmex Colombia S.A., CO
 39891         3520        187      21  ALJAWWALSTC-AS, SA
  6327         3369       1323      86  SHAW - Shaw Communications Inc., CA
 22773         3264       2951     143  ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
  4766         2881      11132     770  KIXS-AS-KR Korea Telecom, KR
 20940         2839        833    2056  AKAMAI-ASN1, US
  9829         2770       1499     540  BSNL-NIB National Internet Backbone, IN

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       3520         3499   ALJAWWALSTC-AS, SA
  7545       3802         3390   TPG-INTERNET-AP TPG Telecom Limited, AU
 10620       3579         3327   Telmex Colombia S.A., CO
  6327       3369         3283   SHAW - Shaw Communications Inc., CA
  8151       3857         3280   Uninet S.A. de C.V., MX
 22773       3264         3121   ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 17974       2766         2689   TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I
  9394       2655         2628   CTTNET China TieTong Telecommunications Corpora
 11830       2635         2569   Instituto Costarricense de Electricidad y Telec
  7552       2582         2519   VIETEL-AS-AP Viettel Group, 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
  65249   PRIVATE      5.42.234.0/23        35753       ITC ITC AS number, SA
  65249   PRIVATE      5.42.234.0/24        35753       ITC ITC AS number, SA
  65456   PRIVATE      31.171.126.0/23     199311       AZRT-LX Local Internet Exchang
  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
  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
  65000   PRIVATE      95.179.70.0/24       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
23.159.192.0/24      54726    AET - AET Hosting Solutions, Inc., US
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

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     
/13:563     /14:1092    /15:1894    /16:13432   /17:7761    /18:13621   
/19:25241   /20:38818   /21:44734   /22:83691   /23:67832   /24:380401  
/25:842     /26:605     /27:661     /28:36      /29:20      /30:18      
/31:4       /32:60      

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

   ASN   No of nets  Total ann.  Description
  6327     3161          3369    SHAW - Shaw Communications Inc., CA
 39891     2946          3520    ALJAWWALSTC-AS, SA
 22773     2527          3264    ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 
 18566     2061          2167    MEGAPATH5-US - MegaPath Corporation, US
 11830     1981          2635    Instituto Costarricense de Electricidad y Telec
  8551     1699          2235    BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036     1648          1888    MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
 10620     1580          3579    Telmex Colombia S.A., CO
 11492     1507          1724    CABLEONE - CABLE ONE, INC., US
  9121     1419          1939    TTNET, TR

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

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

   1:1574      2:837       4:18        5:2644      6:40        8:1090   
   9:1        12:1853     13:194      14:1756     15:27       16:3      
  17:184      18:65       20:53       21:3        23:2546     24:1737   
  25:2        27:2372     31:1948     32:88       35:23       36:479    
  37:2625     38:1443     39:188      40:101      41:3057     42:539    
  43:1951     44:94       45:3641     46:2990     47:194      49:1387   
  50:1041     51:47       52:939      54:353      55:4        56:7      
  57:42       58:1598     59:1014     60:389      61:2087     62:1823   
  63:1825     64:4695     65:2229     66:4470     67:2340     68:1177   
  69:3175     70:1135     71:560      72:2089     74:2625     75:398    
  76:420      77:1556     78:1629     79:1685     80:1494     81:1405   
  82:1062     83:780      84:1013     85:1973     86:553      87:1228   
  88:912      89:2344     90:180      91:6262     92:1161     93:2358   
  94:2389     95:2712     96:647      97:358      98:925      99:110    
 100:79      101:1528    102:15      103:16945   104:3267    105:209    
 106:525     107:1810    108:705     109:2952    110:1593    111:1747   
 112:1292    113:1388    114:1110    115:1581    116:1629    117:1695   
 118:2209    119:1679    120:949     121:1049    122:2479    123:1762   
 124:1466    125:1848    128:1016    129:599     130:440     131:1650   
 132:603     133:196     134:1002    135:228     136:441     137:476    
 138:1960    139:563     140:401     141:681     142:777     143:1006   
 144:801     145:197     146:1150    147:754     148:1474    149:698    
 150:728     151:981     152:758     153:309     154:984     155:747    
 156:753     157:762     158:607     159:1632    160:853     161:739    
 162:2558    163:519     164:976     165:1502    166:398     167:1381   
 168:3107    169:796     170:3656    171:406     172:1031    173:1903   
 174:860     175:765     176:1880    177:3932    178:2433    179:1183   
 180:2237    181:2148    182:2437    183:1092    184:906     185:12221  
 186:3488    187:2327    188:2631    189:1958    190:8097    191:1353   
 192:9789    193:5878    194:4761    195:3996    196:2346    197:1377   
 198:5523    199:5911    200:7271    201:4869    202:10411   203:9969   
 204:4539    205:2867    206:3016    207:3119    208:4013    209:3912   
 210:4009    211:2150    212:2969    213:2597    214:899     215:62     
 216:5861    217:2121    218:900     219:625     220:1728    221:996    
 222:1056    223:1238   

End of report