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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 27 Feb, 2021

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

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

BGP routing table entries examined:                              847193
    Prefixes after maximum aggregation (per Origin AS):          322664
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      404082
Total ASes present in the Internet Routing Table:                 70649
    Prefixes per ASN:                                             11.99
Origin-only ASes present in the Internet Routing Table:           60774
Origin ASes announcing only one prefix:                           25076
Transit ASes present in the Internet Routing Table:                9875
Transit-only ASes present in the Internet Routing Table:            299
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      62
    Max AS path prepend of ASN (266299)                              59
Prefixes from unregistered ASNs in the Routing Table:               978
    Number of instances of unregistered ASNs:                       982
Number of 32-bit ASNs allocated by the RIRs:                      35208
Number of 32-bit ASNs visible in the Routing Table:               29241
Prefixes from 32-bit ASNs in the Routing Table:                  136223
Number of bogon 32-bit ASNs visible in the Routing Table:            16
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            562
Number of addresses announced to Internet:                   2915817600
    Equivalent to 173 /8s, 203 /16s and 216 /24s
    Percentage of available address space announced:               78.8
    Percentage of allocated address space announced:               78.8
    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:      289157

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

Prefixes being announced by APNIC Region ASes:                   221800
    Total APNIC prefixes after maximum aggregation:               65449
    APNIC Deaggregation factor:                                    3.39
Prefixes being announced from the APNIC address blocks:          217721
    Unique aggregates announced from the APNIC address blocks:    88511
APNIC Region origin ASes present in the Internet Routing Table:   11310
    APNIC Prefixes per ASN:                                       19.25
APNIC Region origin ASes announcing only one prefix:               3218
APNIC Region transit ASes present in the Internet Routing Table:   1606
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   6455
Number of APNIC addresses announced to Internet:              770662656
    Equivalent to 45 /8s, 239 /16s and 97 /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, 131072-143673
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:                    244189
    Total ARIN prefixes after maximum aggregation:               112229
    ARIN Deaggregation factor:                                     2.18
Prefixes being announced from the ARIN address blocks:           244750
    Unique aggregates announced from the ARIN address blocks:    116755
ARIN Region origin ASes present in the Internet Routing Table:    18747
    ARIN Prefixes per ASN:                                        13.06
ARIN Region origin ASes announcing only one prefix:                6813
ARIN Region transit ASes present in the Internet Routing Table:    1923
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    3737
Number of ARIN addresses announced to Internet:              1152112896
    Equivalent to 68 /8s, 171 /16s and 217 /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:                    242205
    Total RIPE prefixes after maximum aggregation:               112911
    RIPE Deaggregation factor:                                     2.15
Prefixes being announced from the RIPE address blocks:           238145
    Unique aggregates announced from the RIPE address blocks:    139917
RIPE Region origin ASes present in the Internet Routing Table:    27746
    RIPE Prefixes per ASN:                                         8.58
RIPE Region origin ASes announcing only one prefix:               11903
RIPE Region transit ASes present in the Internet Routing Table:    3898
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:    9971
Number of RIPE addresses announced to Internet:               710165376
    Equivalent to 42 /8s, 84 /16s and 67 /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:                  112868
    Total LACNIC prefixes after maximum aggregation:              26402
    LACNIC Deaggregation factor:                                   4.27
Prefixes being announced from the LACNIC address blocks:         114012
    Unique aggregates announced from the LACNIC address blocks:   48296
LACNIC Region origin ASes present in the Internet Routing Table:  10688
    LACNIC Prefixes per ASN:                                      10.67
LACNIC Region origin ASes announcing only one prefix:              2638
LACNIC Region transit ASes present in the Internet Routing Table:  2020
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        62
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8293
Number of LACNIC addresses announced to Internet:             174540032
    Equivalent to 10 /8s, 103 /16s and 69 /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:                  25152
    Total AfriNIC prefixes after maximum aggregation:              4937
    AfriNIC Deaggregation factor:                                  5.09
Prefixes being announced from the AfriNIC address blocks:         32003
    Unique aggregates announced from the AfriNIC address blocks:  10099
AfriNIC Region origin ASes present in the Internet Routing Table:  1456
    AfriNIC Prefixes per ASN:                                     21.98
AfriNIC Region origin ASes announcing only one prefix:              504
AfriNIC Region transit ASes present in the Internet Routing Table:  286
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  785
Number of AfriNIC addresses announced to Internet:            107908352
    Equivalent to 6 /8s, 110 /16s and 141 /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
  7545        5707        782     668  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4830       4192      74  ERX-CERNET-BKB China Education and Rese
  9808        3689       9045      60  CMNET-GD Guangdong Mobile Communication
  7552        3554       1330      21  VIETEL-AS-AP Viettel Group, VN
  7713        3232        936     533  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        2897       1896      55  VNPT-AS-VN VNPT Corp, VN
  4766        2444      11105     568  KIXS-AS-KR Korea Telecom, KR
  9498        2307        482     229  BBIL-AP BHARTI Airtel Ltd., IN
  4755        2144        441     191  TATACOMM-AS TATA Communications formerl
 45090        2080       1045      63  CNNIC-TENCENT-NET-AP Shenzhen Tencent C

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        4850       9095    2177  AMAZON-02, US
 11492        4759        316     718  CABLEONE, US
  7155        4030        264      32  VIASAT-SP-BACKBONE, US
 22773        3909       2998     251  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3331       1317      72  SHAW, CA
 16625        3305       1722    2352  AKAMAI-AS, US
   209        2520       5058     501  CENTURYLINK-US-LEGACY-QWEST, US
 30036        2518        371      81  MEDIACOM-ENTERPRISE-BUSINESS, US
  5650        2352       3000    1642  FRONTIER-FRTR, US
  5972        2195        439     776  DNIC-ASBLK-05800-06055, 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
 47331        7999       1076    3346  TTNET, TR
 12479        6351       1701     147  UNI2-AS, ES
 20940        3445       3347     207  AKAMAI-ASN1, NL
 39891        3266        187      22  ALJAWWALSTC-AS, SA
  8551        3041        379      41  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2876       2282     889  ROSTELECOM-AS, RU
  9009        2422        247    1310  M247, GB
 34984        2178        355     583  TELLCOM-AS, TR
 13188        1610        100      31  TRIOLAN, UA
 58224        1526        873     562  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        8371       3466     583  Uninet S.A. de C.V., MX
 10620        3399        526     614  Telmex Colombia S.A., CO
 11830        2563        369      63  Instituto Costarricense de Electricidad
 13999        1637        436     420  Mega Cable, S.A. de C.V., MX
  7303        1447        921     269  Telecom Argentina S.A., AR
  6503        1440        311     475  Axtel, S.A.B. de C.V., MX
 28573        1404       2263     219  CLARO S.A., BR
  3816        1198        609     153  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1127        377      39  Telefonica del Peru S.A.A., PE
 11664         991        210     409  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        1577        393      22  LINKdotNET-AS, EG
 24835        1289        482      29  RAYA-AS, EG
 36992        1188       1537     174  ETISALAT-MISR, EG
 36903         970        506     115  MT-MPLS, MA
 29571         704         68      11  ORANGE-COTE-IVOIRE, CI
  6713         540       1864      35  IAM-AS, MA
 36935         487        522      40  Vodafone-, EG
 37342         487         32       1  MOVITEL, MZ
 23889         454        232      16  MauritiusTelecom, MU
 15399         445         46      16  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
  8151        8371       3466     583  Uninet S.A. de C.V., MX
 47331        7999       1076    3346  TTNET, TR
 12479        6351       1701     147  UNI2-AS, ES
  7545        5707        782     668  TPG-INTERNET-AP TPG Telecom Limited, AU
 16509        4850       9095    2177  AMAZON-02, US
  4538        4830       4192      74  ERX-CERNET-BKB China Education and Rese
 11492        4759        316     718  CABLEONE, US
  7155        4030        264      32  VIASAT-SP-BACKBONE, US
 22773        3909       2998     251  ASN-CXA-ALL-CCI-22773-RDC, US
  9808        3689       9045      60  CMNET-GD Guangdong Mobile Communication

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

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

   ASN  No of nets  Net Savings  Description
 12479        6351         6204  UNI2-AS, ES
  7545        5707         5039  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4830         4756  ERX-CERNET-BKB China Education and Research Net
 47331        7999         4653  TTNET, TR
 11492        4759         4041  CABLEONE, US
  7155        4030         3998  VIASAT-SP-BACKBONE, US
 22773        3909         3658  ASN-CXA-ALL-CCI-22773-RDC, US
  9808        3689         3629  CMNET-GD Guangdong Mobile Communication Co.Ltd.
  7552        3554         3533  VIETEL-AS-AP Viettel Group, VN
  6327        3331         3259  SHAW, CA

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               174  COGENT-174, US
     18604  UNALLOCATED  8.25.204.0/24             3356  LEVEL3, US
     32985  UNALLOCATED  8.28.31.0/24              3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24              174  COGENT-174, US
     23061  UNALLOCATED  8.39.119.0/24             3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46766  UNALLOCATED  8.44.208.0/24             3356  LEVEL3, US
     40544  UNALLOCATED  12.0.33.0/24              6461  ZAYO-6461, US
     46505  UNALLOCATED  12.7.131.0/24             7018  ATT-INTERNET4, US

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
23.142.80.0/24       Origin:    397881  STINGERS, US
                    Transit:    398481  REDMERCURY, US
23.226.240.0/20      Origin:     40430  UNASSIGNED
                    Transit:       174  COGENT-174, 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

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        /8:11       /9:12      /10:41      /11:102     /12:292     
/13:577     /14:1182    /15:1939    /16:13465   /17:8316    /18:13772   
/19:25626   /20:41718   /21:50941   /22:105375  /23:89651   /24:492739  
/25:1434    /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
 47331        7151        7999  TTNET, TR
 12479        5309        6351  UNI2-AS, ES
 11492        3813        4759  CABLEONE, US
  6327        3136        3331  SHAW, CA
  7155        3118        4030  VIASAT-SP-BACKBONE, US
  8151        2948        8371  Uninet S.A. de C.V., MX
 22773        2944        3909  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        2801        3266  ALJAWWALSTC-AS, SA
  8551        2505        3041  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 30036        2238        2518  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:1881      2:1168      3:94        4:18        5:3596      6:64     
   7:5         8:1498      9:1        11:36       12:1755     13:359    
  14:2350     15:77       16:15       17:315      18:93       20:126    
  22:188      23:4382     24:2389     25:2        27:2381     31:2253   
  32:112      34:3        35:39       36:1146     37:3712     38:2050   
  39:485      40:148      41:3815     42:904      43:2105     44:237    
  45:14988    46:3695     47:319      49:1616     50:1708     51:90     
  52:1204     54:216      55:763      56:6        57:57       58:1703   
  59:1157     60:884      61:2374     62:2223     63:1969     64:5274   
  65:2403     66:5164     67:2926     68:1174     69:4107     70:1404   
  71:688      72:3244     74:2591     75:1478     76:689      77:2005   
  78:3691     79:2299     80:1832     81:1630     82:1309     83:1107   
  84:1257     85:3344     86:711      87:1793     88:2795     89:2987   
  90:428      91:7262     92:1730     93:2532     94:2966     95:4427   
  96:1228     97:345      98:986      99:971     100:89      101:1065   
 102:1257    103:25524   104:3673    105:419     106:719     107:2217   
 108:684     109:3890    110:1998    111:2558    112:1779    113:1638   
 114:1443    115:1870    116:1885    117:2182    118:2319    119:1916   
 120:988     121:1085    122:2161    123:2178    124:1586    125:2081   
 128:1340    129:1200    130:810     131:2015    132:751     133:354    
 134:1549    135:290     136:724     137:901     138:2298    139:1162   
 140:745     141:1168    142:1069    143:1263    144:1235    145:327    
 146:1390    147:1253    148:2206    149:1303    150:769     151:1082   
 152:1549    153:387     154:2209    155:1346    156:1488    157:1147   
 158:928     159:2054    160:2070    161:1137    162:3241    163:963    
 164:1430    165:1338    166:614     167:1778    168:3528    169:653    
 170:4322    171:759     172:2082    173:2963    174:979     175:1099   
 176:2970    177:4350    178:2889    179:1933    180:2271    181:2620   
 182:3195    183:1637    184:2459    185:17942   186:4195    187:3071   
 188:3291    189:2781    190:9038    191:1451    192:10676   193:7924   
 194:6525    195:4653    196:2936    197:2327    198:6039    199:6001   
 200:7388    201:5360    202:10540   203:10090   204:4645    205:3292   
 206:3472    207:3329    208:3979    209:4624    210:4253    211:2173   
 212:3657    213:3278    214:1214    215:61      216:6180    217:2530   
 218:1046    219:687     220:2060    221:946     222:979     223:1759   


End of report