[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Brisbane) (Global) view

REN Routing Table Report cscora at bgp.nsrc.org
Tue Aug 15 21:13:12 UTC 2023


IPv4 R&E Routing Table Report   21:10 GMT Tue 15 Aug, 2023

  IPv4 BGP Table (Global) as seen at AARNET (Brisbane).

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/AARNET/

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

BGP routing table entries examined:                              926366
    Prefixes after maximum aggregation (per Origin AS):          351362
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      452738
    Number of IPv4 prefixes with a valid ROA:                    416932
    Number of IPv4 prefixes with an invalid ROA:                   2200
    Number of IPv4 prefixes with no ROA:                         507234
Total ASes present in the Internet Routing Table:                 74677
    Prefixes per ASN:                                             12.40
Origin-only ASes present in the Internet Routing Table:           64200
Origin ASes announcing only one prefix:                           26283
Transit ASes present in the Internet Routing Table:               10477
Transit-only ASes present in the Internet Routing Table:            450
Paths with bogon ASNs present in the IPv4 Routing Table:             57
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                     132
    Max AS path prepend of ASN ( 37447)                             129
Prefixes from unregistered ASNs in the Routing Table:              1055
    Number of instances of unregistered ASNs:                      1071
Number of 32-bit ASNs allocated by the RIRs:                      42426
Number of 32-bit ASNs visible in the Routing Table:               34930
Prefixes from 32-bit ASNs in the Routing Table:                  174137
Number of bogon 32-bit ASNs visible in the Routing Table:            78
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:            550
Number of addresses announced to Internet:                   3051728640
    Equivalent to 181 /8s, 229 /16s and 175 /24s
    Percentage of available address space announced:               82.4
    Percentage of allocated address space announced:               82.4
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:      308531

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

Prefixes being announced by APNIC Region ASes:                   244904
    Total APNIC prefixes after maximum aggregation:               69785
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          238613
    Unique aggregates announced from the APNIC address blocks:    98875
APNIC Region origin ASes present in the Internet Routing Table:   13544
    APNIC Prefixes per ASN:                                       17.62
APNIC Region origin ASes announcing only one prefix:               3993
APNIC Region transit ASes present in the Internet Routing Table:   1802
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   8883
Number of APNIC addresses announced to Internet:              773106432
    Equivalent to 46 /8s, 20 /16s and 171 /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, 131072-153913
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:                    271958
    Total ARIN prefixes after maximum aggregation:               123720
    ARIN Deaggregation factor:                                     2.20
Prefixes being announced from the ARIN address blocks:           274036
    Unique aggregates announced from the ARIN address blocks:    130896
ARIN Region origin ASes present in the Internet Routing Table:    19083
    ARIN Prefixes per ASN:                                        14.36
ARIN Region origin ASes announcing only one prefix:                6961
ARIN Region transit ASes present in the Internet Routing Table:    1934
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4815
Number of ARIN addresses announced to Internet:              1275811072
    Equivalent to 76 /8s, 11 /16s and 85 /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:                    260233
    Total RIPE prefixes after maximum aggregation:               122546
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:           257182
    Unique aggregates announced from the RIPE address blocks:    159992
RIPE Region origin ASes present in the Internet Routing Table:    28400
    RIPE Prefixes per ASN:                                         9.06
RIPE Region origin ASes announcing only one prefix:               12036
RIPE Region transit ASes present in the Internet Routing Table:    3894
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                         102
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11288
Number of RIPE addresses announced to Internet:               716335872
    Equivalent to 42 /8s, 178 /16s and 107 /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
                       196608-216475
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:                  118287
    Total LACNIC prefixes after maximum aggregation:              28653
    LACNIC Deaggregation factor:                                   4.13
Prefixes being announced from the LACNIC address blocks:         117334
    Unique aggregates announced from the LACNIC address blocks:   49774
LACNIC Region origin ASes present in the Internet Routing Table:  11018
    LACNIC Prefixes per ASN:                                      10.65
LACNIC Region origin ASes announcing only one prefix:              2679
LACNIC Region transit ASes present in the Internet Routing Table:  2323
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        34
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8825
Number of LACNIC addresses announced to Internet:             178477824
    Equivalent to 10 /8s, 163 /16s and 91 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                  29929
    Total AfriNIC prefixes after maximum aggregation:              5929
    AfriNIC Deaggregation factor:                                  5.05
Prefixes being announced from the AfriNIC address blocks:         38650
    Unique aggregates announced from the AfriNIC address blocks:  12743
AfriNIC Region origin ASes present in the Internet Routing Table:  1773
    AfriNIC Prefixes per ASN:                                     21.80
AfriNIC Region origin ASes announcing only one prefix:              614
AfriNIC Region transit ASes present in the Internet Routing Table:  333
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                      132
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1119
Number of AfriNIC addresses announced to Internet:            107602688
    Equivalent to 6 /8s, 105 /16s and 227 /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        9521       8705      38  CHINAMOBILE-CN China Mobile Communicati
  7545        5706        784     687  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4317        347      25  FPT-AS-AP FPT Telecom Company, VN
  7713        3593       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  7552        3369       1331      21  VIETEL-AS-AP Viettel Group, VN
 45899        3333       1835      91  VNPT-AS-VN VNPT Corp, VN
  9498        3083        498     248  BBIL-AP BHARTI Airtel Ltd., IN
  4538        2947       4192      73  ERX-CERNET-BKB China Education and Rese
 24560        2481        843     410  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2307      11270     588  KIXS-AS-KR Korea Telecom, KR

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        8841      10967    3197  AMAZON-02, US
 11492        4522        300     622  CABLEONE, US
  7155        4194        288     101  VIASAT-SP-BACKBONE, US
 22773        3562       3070     293  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3526       1319      66  SHAW, CA
   749        3150      54961    2402  DNIC-AS-00749, US
 16625        3080       1503    2316  AKAMAI-AS, US
   367        2968       3810    1409  DNIC-ASBLK-00306-00371, US
396982        2685       3596     388  GOOGLE-CLOUD-PLATFORM, US
 30036        2504        360     377  MEDIACOM-ENTERPRISE-BUSINESS, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7340       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4094       3398     154  AKAMAI-ASN1, NL
  8551        3457        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2950       2294     914  ROSTELECOM-AS, RU
  9009        2665        248    1387  M247, RO
 34984        2321        362     598  TELLCOM-AS, TR
 58224        1817        943     536  TCI, IR
 13188        1606        100      27  TRIOLAN, UA
 61317        1546        103    1200  ASDETUK www.heficed.com, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11474       3357     599  UNINET, MX
 10620        3528        506     843  Telmex Colombia S.A., CO
 13999        2437        364     641  Mega Cable, S.A. de C.V., MX
 11830        1996        369      64  Instituto Costarricense de Electricidad
 28573        1314       2324     233  Claro NXT Telecomunicacoes Ltda, BR
  3816        1288        757     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1273        344     512  Axtel, S.A.B. de C.V., MX
  6147        1123        370      22  Telefonica del Peru S.A.A., PE
 11664        1114        181     435  Techtel LMDS Comunicaciones Interactiva
 26615        1044       2501      49  TIM SA, BR

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863        1588        393      19  LINKdotNET-AS, EG
 24835        1517        533      27  RAYA-AS, EG
 36992        1356       1518     282  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1051         67      45  ORANGE-COTE-IVOIRE, CI
 36935         922        521      43  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 37342         475         32       1  MOVITEL, MZ
 24757         474         73       5  EthioNet-AS, ET
 15399         440         54      48  WANANCHI-, KE

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11474       3357     599  UNINET, MX
  9808        9521       8705      38  CHINAMOBILE-CN China Mobile Communicati
 16509        8841      10967    3197  AMAZON-02, US
 12479        7340       1713     145  UNI2-AS, ES
  7545        5706        784     687  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4522        300     622  CABLEONE, US
 18403        4317        347      25  FPT-AS-AP FPT Telecom Company, VN
  7155        4194        288     101  VIASAT-SP-BACKBONE, US
 20940        4094       3398     154  AKAMAI-ASN1, NL

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  9808        9521         9483  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7340         7195  UNI2-AS, ES
 16509        8841         5644  AMAZON-02, US
  7545        5706         5019  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4317         4292  FPT-AS-AP FPT Telecom Company, VN
  7155        4194         4093  VIASAT-SP-BACKBONE, US
 20940        4094         3940  AKAMAI-ASN1, NL
 11492        4522         3900  CABLEONE, US
  7713        3593         3530  TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     60539  UNALLOCATED  5.105.33.0/24            18041  TWDS-TRANSIT-AS-TW Taiwan Di
     65000  PRIVATE      5.227.24.0/22             8580  SANDY MTS Nizhniy Novgorod, 
     46990  UNALLOCATED  8.5.242.0/23              3356  LEVEL3, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     19695  UNALLOCATED  8.20.161.0/24             7015  COMCAST-7015, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
100.96.100.0/24           57681  ASN-MGTS-USPD2, RU
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.160.88.0/24       Origin:     36318  ZSNET, CA
23.160.88.0/24      Transit:     53356  FREE RANGE CLOUD, CA
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:39      /11:102     /12:295     
/13:575     /14:1193    /15:2099    /16:13503   /17:8270    /18:13825   
/19:25016   /20:43921   /21:51390   /22:109863  /23:98913   /24:557331  
/25:0       /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        6426        7340  UNI2-AS, ES
  8151        5524       11474  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3432        4522  CABLEONE, US
  6327        3337        3526  SHAW, CA
  7155        3139        4194  VIASAT-SP-BACKBONE, US
  8551        2925        3457  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2608        3562  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2161        2504  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2092        3528  Telmex Colombia S.A., CO

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos

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

   1:2208      2:1361      3:230       4:5         5:4548      6:137    
   7:6         8:1532      9:1        11:172      12:1508     13:379    
  14:2307     15:302      16:198      17:371      18:594      20:279    
  21:4        22:188      23:6405     24:2634     25:6        27:2568   
  29:19       31:2523     32:78       34:25       35:117      36:1975   
  37:4618     38:5123     39:851      40:147      41:3953     42:2081   
  43:2301     44:318      45:16594    46:4324     47:384      49:1771   
  50:1858     51:585      52:1597     54:391      55:896      56:8      
  57:122      58:1895     59:1166     60:996      61:2468     62:2662   
  63:1919     64:5586     65:2316     66:4971     67:3003     68:1323   
  69:4065     70:1205     71:690      72:2978     74:2633     75:1579   
  76:619      77:2449     78:1836     79:2981     80:2116     81:1795   
  82:1501     83:1275     84:1538     85:2979     86:763      87:1985   
  88:1169     89:3849     90:617      91:7816     92:2072     93:2597   
  94:3525     95:4001     96:1302     97:318      98:1083     99:735    
 100:91      101:1317    102:2919    103:32032   104:4583    105:566    
 106:881     107:2562    108:1124    109:4267    110:2100    111:3135   
 112:2070    113:1744    114:1674    115:2034    116:1897    117:2501   
 118:2695    119:1983    120:1790    121:1127    122:2591    123:2165   
 124:1569    125:2507    128:1475    129:1046    130:1031    131:1971   
 132:858     133:423     134:1789    135:307     136:900     137:1118   
 138:2648    139:1573    140:1253    141:1292    142:1476    143:1488   
 144:1000    145:342     146:1965    147:1612    148:2434    149:2125   
 150:889     151:1195    152:1848    153:580     154:4762    155:1384   
 156:1926    157:1320    158:1083    159:2229    160:2605    161:1562   
 162:3520    163:1597    164:1710    165:1828    166:991     167:1736   
 168:3855    169:903     170:4610    171:885     172:3643    173:2984   
 174:987     175:1193    176:3785    177:4525    178:3549    179:2159   
 180:2509    181:3490    182:3406    183:2000    184:2307    185:20526  
 186:4763    187:4081    188:4137    189:3712    190:9212    191:1390   
 192:10942   193:8951    194:7302    195:5179    196:3128    197:2442   
 198:6011    199:6113    200:7994    201:5992    202:10510   203:10170  
 204:4552    205:3672    206:4322    207:3468    208:4162    209:4930   
 210:4426    211:2478    212:4245    213:3589    214:1094    215:60     
 216:6715    217:2778    218:1297    219:473     220:2032    221:979    
 222:759     223:2162   

End of report


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