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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 17 Jul, 2021

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

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

BGP routing table entries examined:                              856629
    Prefixes after maximum aggregation (per Origin AS):          324292
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      412562
Total ASes present in the Internet Routing Table:                 71609
    Prefixes per ASN:                                             11.96
Origin-only ASes present in the Internet Routing Table:           61558
Origin ASes announcing only one prefix:                           25414
Transit ASes present in the Internet Routing Table:               10051
Transit-only ASes present in the Internet Routing Table:            324
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      54
    Max AS path prepend of ASN ( 48366)                              51
Prefixes from unregistered ASNs in the Routing Table:              1112
    Number of instances of unregistered ASNs:                      1118
Number of 32-bit ASNs allocated by the RIRs:                      36630
Number of 32-bit ASNs visible in the Routing Table:               30463
Prefixes from 32-bit ASNs in the Routing Table:                  141814
Number of bogon 32-bit ASNs visible in the Routing Table:            25
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            531
Number of addresses announced to Internet:                   3037572352
    Equivalent to 181 /8s, 13 /16s and 173 /24s
    Percentage of available address space announced:               82.0
    Percentage of allocated address space announced:               82.0
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      284853

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

Prefixes being announced by APNIC Region ASes:                   230297
    Total APNIC prefixes after maximum aggregation:               65981
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          225742
    Unique aggregates announced from the APNIC address blocks:    90728
APNIC Region origin ASes present in the Internet Routing Table:   11759
    APNIC Prefixes per ASN:                                       19.20
APNIC Region origin ASes announcing only one prefix:               3341
APNIC Region transit ASes present in the Internet Routing Table:   1664
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   6929
Number of APNIC addresses announced to Internet:              774057216
    Equivalent to 46 /8s, 35 /16s and 45 /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, 131072-147769
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:                    250402
    Total ARIN prefixes after maximum aggregation:               114472
    ARIN Deaggregation factor:                                     2.19
Prefixes being announced from the ARIN address blocks:           250154
    Unique aggregates announced from the ARIN address blocks:    119727
ARIN Region origin ASes present in the Internet Routing Table:    18844
    ARIN Prefixes per ASN:                                        13.27
ARIN Region origin ASes announcing only one prefix:                6848
ARIN Region transit ASes present in the Internet Routing Table:    1943
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3990
Number of ARIN addresses announced to Internet:              1268767360
    Equivalent to 75 /8s, 159 /16s and 218 /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, 393216-401308
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:                    238673
    Total RIPE prefixes after maximum aggregation:               111479
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:           235040
    Unique aggregates announced from the RIPE address blocks:    143525
RIPE Region origin ASes present in the Internet Routing Table:    28005
    RIPE Prefixes per ASN:                                         8.39
RIPE Region origin ASes announcing only one prefix:               12036
RIPE Region transit ASes present in the Internet Routing Table:    3900
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          54
Number of RIPE region 32-bit ASNs visible in the Routing Table:   10305
Number of RIPE addresses announced to Internet:               710858624
    Equivalent to 42 /8s, 94 /16s and 215 /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
                       196608-213403
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:                  110748
    Total LACNIC prefixes after maximum aggregation:              26491
    LACNIC Deaggregation factor:                                   4.18
Prefixes being announced from the LACNIC address blocks:         111881
    Unique aggregates announced from the LACNIC address blocks:   47052
LACNIC Region origin ASes present in the Internet Routing Table:  10770
    LACNIC Prefixes per ASN:                                      10.39
LACNIC Region origin ASes announcing only one prefix:              2674
LACNIC Region transit ASes present in the Internet Routing Table:  2086
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        29
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8410
Number of LACNIC addresses announced to Internet:             175925248
    Equivalent to 10 /8s, 124 /16s and 104 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-272796 + 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:                  25394
    Total AfriNIC prefixes after maximum aggregation:              5112
    AfriNIC Deaggregation factor:                                  4.97
Prefixes being announced from the AfriNIC address blocks:         33281
    Unique aggregates announced from the AfriNIC address blocks:  11064
AfriNIC Region origin ASes present in the Internet Routing Table:  1493
    AfriNIC Prefixes per ASN:                                     22.29
AfriNIC Region origin ASes announcing only one prefix:              515
AfriNIC Region transit ASes present in the Internet Routing Table:  297
Average AfriNIC Region AS path length visible:                      5.2
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  829
Number of AfriNIC addresses announced to Internet:            107537920
    Equivalent to 6 /8s, 104 /16s and 230 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & 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
  9808        7600       9002      61  CMNET-GD Guangdong Mobile Communication
  7545        5807        783     676  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4854       4192      74  ERX-CERNET-BKB China Education and Rese
  7552        3532       1330      20  VIETEL-AS-AP Viettel Group, VN
  7713        3530       1023      56  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        2799       1897      55  VNPT-AS-VN VNPT Corp, VN
  4766        2437      11120     569  KIXS-AS-KR Korea Telecom, KR
  9498        2358        483     246  BBIL-AP BHARTI Airtel Ltd., IN
 45090        2125       1197      73  CNNIC-TENCENT-NET-AP Shenzhen Tencent C
  4755        2114        437     192  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
 16509        5245       9536    2371  AMAZON-02, US
 11492        4808        317     729  CABLEONE, US
  7155        4000        264      32  VIASAT-SP-BACKBONE, US
 22773        3991       3021     278  ASN-CXA-ALL-CCI-22773-RDC, US
 16625        3510       1814    2447  AKAMAI-AS, US
  6327        3368       1317      69  SHAW, CA
 30036        2584        373     122  MEDIACOM-ENTERPRISE-BUSINESS, US
   209        2539       5034     473  CENTURYLINK-US-LEGACY-QWEST, US
  5972        2259        452     793  DNIC-ASBLK-05800-06055, US
 20115        2181       2965     506  CHARTER-20115, 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
 12479        6739       1726     145  UNI2-AS, ES
 20940        3701       3348     214  AKAMAI-ASN1, NL
 39891        3267        187      22  ALJAWWALSTC-AS, SA
  8551        2977        378      40  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2913       2283     897  ROSTELECOM-AS, RU
  9009        2441        254    1303  M247, GB
 34984        2215        356     594  TELLCOM-AS, TR
 61317        1640        269     840  ASDETUK www.heficed.com, GB
 13188        1610        100      27  TRIOLAN, UA
 58224        1608        888     556  TCI, IR

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        8575       3447     583  Uninet S.A. de C.V., MX
 10620        3407        525     651  Telmex Colombia S.A., CO
 11830        2507        369      62  Instituto Costarricense de Electricidad
 13999        1743        425     471  Mega Cable, S.A. de C.V., MX
  6503        1489        359     477  Axtel, S.A.B. de C.V., MX
 28573        1423       2290     235  CLARO S.A., BR
  3816        1240        652     152  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1099        369      22  Telefonica del Peru S.A.A., PE
 26615        1088       2351     134  TIM SA, BR
 11664         990        199     443  Techtel LMDS Comunicaciones Interactiva

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        1500        393      22  LINKdotNET-AS, EG
 24835        1457        498      30  RAYA-AS, EG
 36992        1307       1489     267  ETISALAT-MISR, EG
 36903        1183        537     110  MT-MPLS, MA
 29571         732         68      11  ORANGE-COTE-IVOIRE, CI
  6713         613       1863      34  IAM-AS, MA
 36935         533        522      40  Vodafone-, EG
 15399         495         49      26  WANANCHI-, KE
  2018         329        319      74  TENET-1, ZA
 23889         317        232      16  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        8575       3447     583  Uninet S.A. de C.V., MX
  9808        7600       9002      61  CMNET-GD Guangdong Mobile Communication
 12479        6739       1726     145  UNI2-AS, ES
  7545        5807        783     676  TPG-INTERNET-AP TPG Telecom Limited, AU
 16509        5245       9536    2371  AMAZON-02, US
  4538        4854       4192      74  ERX-CERNET-BKB China Education and Rese
 11492        4808        317     729  CABLEONE, US
  7155        4000        264      32  VIASAT-SP-BACKBONE, US
 22773        3991       3021     278  ASN-CXA-ALL-CCI-22773-RDC, US
 20940        3701       3348     214  AKAMAI-ASN1, NL

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  9808        7600         7539  CMNET-GD Guangdong Mobile Communication Co.Ltd.
 12479        6739         6594  UNI2-AS, ES
  7545        5807         5131  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4854         4780  ERX-CERNET-BKB China Education and Research Net
 11492        4808         4079  CABLEONE, US
  7155        4000         3968  VIASAT-SP-BACKBONE, US
 22773        3991         3713  ASN-CXA-ALL-CCI-22773-RDC, US
  7552        3532         3512  VIETEL-AS-AP Viettel Group, VN
 20940        3701         3487  AKAMAI-ASN1, NL
  7713        3530         3474  TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID

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

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
     18604  UNALLOCATED  8.25.204.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24              174  COGENT-174, US
     54338  UNALLOCATED  8.33.241.0/24             6461  ZAYO-6461, US
     23061  UNALLOCATED  8.39.119.0/24             3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     40544  UNALLOCATED  12.0.33.0/24              6461  ZAYO-6461, US
     15132  UNALLOCATED  12.9.150.0/24             1239  SPRINTLINK, US
      3577  UNALLOCATED  12.19.197.0/24             209  CENTURYLINK-US-LEGACY-QWEST,

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

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
23.141.0.0/24        Origin:    395350  UNASSIGNED
                    Transit:     11426  TWC-11426-CAROLINAS, US
23.162.32.0/24       Origin:     32444  SAFELINK-MV, US
                    Transit:      6939  HURRICANE, US
27.100.7.0/24        Origin:     56096  UNASSIGNED
                    Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 
27.126.156.0/22      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad No. 14, Jala
27.126.156.0/23      Origin:     55827  UNASSIGNED
                    Transit:      9930  TTNET-MY TIME dotCom Berhad No. 14, Jala

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        /8:17       /9:14      /10:41      /11:102     /12:305     
/13:589     /14:1194    /15:1996    /16:13422   /17:8263    /18:13987   
/19:25426   /20:42386   /21:50396   /22:106920  /23:91531   /24:498630  
/25:1410    /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        5677        6739  UNI2-AS, ES
 11492        3777        4808  CABLEONE, US
  6327        3175        3368  SHAW, CA
  8151        3089        8575  Uninet S.A. de C.V., MX
  7155        3088        4000  VIASAT-SP-BACKBONE, US
 22773        2972        3991  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        2803        3267  ALJAWWALSTC-AS, SA
  8551        2442        2977  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036        2254        2584  MEDIACOM-ENTERPRISE-BUSINESS, US
 11830        1934        2507  Instituto Costarricense de Electricidad y Telec

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

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

   1:1892      2:1145      3:142       4:20        5:3566      6:79     
   7:5         8:1535      9:1        11:164      12:1741     13:377    
  14:2294     15:93       16:20       17:325      18:100      20:124    
  21:1        22:188      23:4841     24:2422     25:2        27:2498   
  29:19       31:2309     32:111      34:1        35:46       36:1588   
  37:3783     38:2164     39:607      40:175      41:3712     42:957    
  43:2060     44:267      45:15256    46:3710     47:351      48:2      
  49:1615     50:1817     51:101      52:1236     54:215      55:805    
  56:9        57:53       58:1747     59:1200     60:933      61:2318   
  62:2303     63:1968     64:5379     65:2360     66:5034     67:2891   
  68:1180     69:4089     70:1376     71:681      72:3149     74:2588   
  75:1491     76:697      77:2042     78:1715     79:2305     80:1860   
  81:1518     82:1325     83:1143     84:1262     85:2704     86:702    
  87:1813     88:975      89:3015     90:497      91:7383     92:1794   
  93:2560     94:3122     95:3530     96:1302     97:342      98:979    
  99:969     100:93      101:1021    102:1505    103:26356   104:3850   
 105:437     106:801     107:2257    108:729     109:3848    110:2008   
 111:3137    112:1913    113:1463    114:1437    115:1884    116:1881   
 117:2347    118:2406    119:1897    120:1451    121:1065    122:2520   
 123:2181    124:1587    125:2077    128:1304    129:1277    130:882    
 131:1984    132:753     133:360     134:1641    135:302     136:777    
 137:944     138:2412    139:1194    140:762     141:1217    142:1208   
 143:1336    144:1261    145:325     146:1482    147:1361    148:2186   
 149:1467    150:820     151:1086    152:1611    153:420     154:2996   
 155:1339    156:1684    157:1205    158:942     159:2004    160:2318   
 161:1231    162:3353    163:1015    164:1538    165:1402    166:623    
 167:1779    168:3634    169:700     170:4274    171:793     172:2535   
 173:2984    174:1007    175:1073    176:3177    177:4410    178:2944   
 179:1889    180:2259    181:2617    182:3210    183:2042    184:2410   
 185:18562   186:4131    187:3129    188:3335    189:2835    190:8738   
 191:1384    192:10720   193:8268    194:6711    195:4797    196:2891   
 197:1866    198:6055    199:6011    200:7314    201:5222    202:10550  
 203:10049   204:4669    205:3355    206:3626    207:3384    208:4031   
 209:4721    210:4254    211:2316    212:3714    213:3458    214:1186   
 215:56      216:6282    217:2572    218:1203    219:706     220:2059   
 221:953     222:865     223:1957   

End of report