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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Mar 4 21:13:51 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Tue 04 Mar, 2025

  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:                              975394
    Prefixes after maximum aggregation (per Origin AS):          373342
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      475472
    Number of IPv4 prefixes with a valid ROA:                    534524
    Number of IPv4 prefixes with an invalid ROA:                    149
    Number of IPv4 prefixes with no ROA:                         440721
Total ASes present in the Internet Routing Table:                 76588
    Prefixes per ASN:                                             12.74
Origin-only ASes present in the Internet Routing Table:           65652
Origin ASes announcing only one prefix:                           26887
Transit ASes present in the Internet Routing Table:               10936
Transit-only ASes present in the Internet Routing Table:            541
Paths with bogon ASNs present in the IPv4 Routing Table:             22
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:               981
    Number of instances of unregistered ASNs:                       987
Number of 32-bit ASNs allocated by the RIRs:                      46219
Number of 32-bit ASNs visible in the Routing Table:               37877
Prefixes from 32-bit ASNs in the Routing Table:                  198941
Number of bogon 32-bit ASNs visible in the Routing Table:            34
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            470
Number of addresses announced to Internet:                   3108871168
    Equivalent to 185 /8s, 77 /16s and 156 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      319541

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

Prefixes being announced by APNIC Region ASes:                   255396
    Total APNIC prefixes after maximum aggregation:               76019
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          247174
    Unique aggregates announced from the APNIC address blocks:   102483
APNIC Region origin ASes present in the Internet Routing Table:   14509
    APNIC Prefixes per ASN:                                       17.04
APNIC Region origin ASes announcing only one prefix:               4440
APNIC Region transit ASes present in the Internet Routing Table:   1945
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10016
Number of APNIC addresses announced to Internet:              749455104
    Equivalent to 44 /8s, 171 /16s and 199 /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, 131072-155961
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:                    288449
    Total ARIN prefixes after maximum aggregation:               128261
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289532
    Unique aggregates announced from the ARIN address blocks:    136202
ARIN Region origin ASes present in the Internet Routing Table:    19223
    ARIN Prefixes per ASN:                                        15.06
ARIN Region origin ASes announcing only one prefix:                7027
ARIN Region transit ASes present in the Internet Routing Table:    1991
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5165
Number of ARIN addresses announced to Internet:              1348294656
    Equivalent to 80 /8s, 93 /16s and 88 /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, 393216-402332
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,
                        54/8,  55/8,  56/8,  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:                    272196
    Total RIPE prefixes after maximum aggregation:               132445
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           269838
    Unique aggregates announced from the RIPE address blocks:    172265
RIPE Region origin ASes present in the Internet Routing Table:    28833
    RIPE Prefixes per ASN:                                         9.36
RIPE Region origin ASes announcing only one prefix:               12051
RIPE Region transit ASes present in the Internet Routing Table:    3973
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          35
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12280
Number of RIPE addresses announced to Internet:               732440832
    Equivalent to 43 /8s, 168 /16s and 41 /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,
                        53/8,  57/8,  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:                  123391
    Total LACNIC prefixes after maximum aggregation:              29172
    LACNIC Deaggregation factor:                                   4.23
Prefixes being announced from the LACNIC address blocks:         120339
    Unique aggregates announced from the LACNIC address blocks:   48899
LACNIC Region origin ASes present in the Internet Routing Table:  11206
    LACNIC Prefixes per ASN:                                      10.74
LACNIC Region origin ASes announcing only one prefix:              2674
LACNIC Region transit ASes present in the Internet Routing Table:  2478
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        34
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9148
Number of LACNIC addresses announced to Internet:             173768960
    Equivalent to 10 /8s, 91 /16s and 129 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                  34981
    Total AfriNIC prefixes after maximum aggregation:              6829
    AfriNIC Deaggregation factor:                                  5.12
Prefixes being announced from the AfriNIC address blocks:         48040
    Unique aggregates announced from the AfriNIC address blocks:  15216
AfriNIC Region origin ASes present in the Internet Routing Table:  1908
    AfriNIC Prefixes per ASN:                                     25.18
AfriNIC Region origin ASes announcing only one prefix:              695
AfriNIC Region transit ASes present in the Internet Routing Table:  372
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1268
Number of AfriNIC addresses announced to Internet:            104669184
    Equivalent to 6 /8s, 61 /16s and 32 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & 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
  9808       10326       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6217        843     660  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4377        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3672       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3263       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2843        855     530  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2149        434     193  TATACOMM-AS TATA Communications formerly 

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       12796      39185    3779  AMAZON-02, US
 11492        4696        312     575  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3621       1320      81  SHAW, CA
 22773        3593       3054     222  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3423       8767     958  COGENT-174, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3085       1315    2228  AKAMAI-AS, US
396982        2935       3660     453  GOOGLE-CLOUD-PLATFORM, US
 30036        2566        357     392  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        7763       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4027       3395     130  AKAMAI-ASN1, NL
  9009        3757        321    1925  M247, RO
 12389        2983       2303     894  ROSTELECOM-AS, RU
 34984        2367        361     580  TELLCOM-AS, TR
212238        2008        145    1484  CDNEXT, GB
  8452        1621       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1488         98     747  CLOUVIDER Clouvider - Global ASN, GB

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       11791       3235     592  UNINET, MX
 10620        3547        492     953  Telmex Colombia S.A., CO
 13999        2501        539     371  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1350       2436     268  Claro NXT Telecomunicacoes Ltda, BR
  3816        1330        781     212  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1172        371      22  Telefonica del Peru S.A.A., PE
 11664        1167        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1117        374     163  Axtel, S.A.B. de C.V., MX
 22884        1046         82     370  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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
 24835        1683        599      30  RAYA-AS, EG
 24863        1618        389      16  LINKdotNET-AS, EG
 29571        1574         99     103  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1022        523      45  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         867       1087      16  MOBINIL, EG
  6713         557       1861      35  IAM-AS, MA
 36914         553         82       3  KENET-AS, 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
 16509       12796      39185    3779  AMAZON-02, US
  8151       11791       3235     592  UNINET, MX
  9808       10326       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7763       1714     145  UNI2-AS, ES
  7545        6217        843     660  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4696        312     575  CABLEONE, US
 18403        4377        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4175        286      83  VIASAT-SP-BACKBONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       11791        11199  UNINET, MX
  9808       10326        10238  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7763         7618  UNI2-AS, ES
  7545        6217         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4377         4352  FPT-AS-AP FPT Telecom Company, VN
 11492        4696         4121  CABLEONE, US
  7155        4175         4092  VIASAT-SP-BACKBONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4027         3897  AKAMAI-ASN1, NL

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
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.38.73.0/24              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
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
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.135.148.0/24      Origin:     44570  XTL-18-44570, US
23.135.148.0/24     Transit:     52025  PARADOXNETWORKS-LIMITED, GB
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US

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       /9:16      /10:42      /11:92      /12:304     
/13:586     /14:1225    /15:2169    /16:13951   /17:8294    /18:13709   
/19:24574   /20:43788   /21:51789   /22:112036  /23:101014  /24:601788  
/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        6717        7763  UNI2-AS, ES
  8151        5992       11791  UNINET, MX
 11492        3547        4696  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2710        3593  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2279       12796  AMAZON-02, US
 30036        2224        2566  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2187        3547  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)
----------------------------------------------

   1:2326      2:1526      3:575       4:10        5:4562      6:167    
   7:6         8:1546      9:1        11:172      12:1376     13:342    
  14:2510     15:350      16:277      17:362      18:922      20:455    
  21:4        22:188      23:7342     24:2718     25:2        27:2745   
  29:19       31:3183     32:35       34:78       35:205      36:2408   
  37:4598     38:8705     39:890      40:153      41:4196     42:1955   
  43:2532     44:354      45:18347    46:5016     47:291      49:1975   
  50:1884     51:585      52:1568     54:301      55:1070     56:9      
  57:244      58:2213     59:1199     60:1167     61:2780     62:2914   
  63:1829     64:5503     65:2118     66:4638     67:3040     68:1154   
  69:3969     70:1156     71:615      72:2880     74:2784     75:1650   
  76:611      77:2672     78:1865     79:1718     80:2184     81:2018   
  82:2725     83:1393     84:1805     85:3346     86:1030     87:2164   
  88:1318     89:4312     90:777      91:8318     92:2799     93:2886   
  94:3908     95:4277     96:1404     97:318      98:1000     99:740    
 100:71      101:1139    102:3671    103:32225   104:4813    105:758    
 106:997     107:2615    108:1211    109:4106    110:2224    111:3299   
 112:2042    113:1791    114:1937    115:2161    116:1977    117:2760   
 118:2882    119:1957    120:1878    121:1360    122:2758    123:2180   
 124:1564    125:2868    126:88      128:1587    129:959     130:1282   
 131:1859    132:795     133:450     134:1531    135:327     136:1307   
 137:1294    138:2891    139:1632    140:1552    141:1467    142:1823   
 143:1623    144:1042    145:469     146:2146    147:2071    148:2593   
 149:2871    150:1235    151:1709    152:2110    153:571     154:7844   
 155:1602    156:3288    157:1911    158:1264    159:2427    160:3564   
 161:1927    162:3690    163:1872    164:1692    165:2188    166:1381   
 167:1880    168:4053    169:796     170:5085    171:1005    172:4452   
 173:3231    174:921     175:1269    176:3652    177:4667    178:3774   
 179:2215    180:2581    181:4015    182:3371    183:2066    184:2315   
 185:21480   186:5098    187:4305    188:4203    189:4215    190:9646   
 191:1534    192:11182   193:9395    194:7739    195:5520    196:3245   
 197:3602    198:6195    199:8354    200:8153    201:6297    202:10382  
 203:10607   204:4563    205:3680    206:4621    207:3578    208:4194   
 209:5203    210:4561    211:2525    212:4505    213:3747    214:1063   
 215:42      216:6548    217:3106    218:1332    219:371     220:2103   
 221:1056    222:718     223:2312   

End of report


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