[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 18 21:13:42 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Tue 18 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:                              977453
    Prefixes after maximum aggregation (per Origin AS):          373954
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      475246
    Number of IPv4 prefixes with a valid ROA:                    537148
    Number of IPv4 prefixes with an invalid ROA:                    139
    Number of IPv4 prefixes with no ROA:                         440166
Total ASes present in the Internet Routing Table:                 76644
    Prefixes per ASN:                                             12.75
Origin-only ASes present in the Internet Routing Table:           65719
Origin ASes announcing only one prefix:                           26864
Transit ASes present in the Internet Routing Table:               10925
Transit-only ASes present in the Internet Routing Table:            542
Paths with bogon ASNs present in the IPv4 Routing Table:             23
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:              1012
    Number of instances of unregistered ASNs:                      1017
Number of 32-bit ASNs allocated by the RIRs:                      46144
Number of 32-bit ASNs visible in the Routing Table:               37950
Prefixes from 32-bit ASNs in the Routing Table:                  199834
Number of bogon 32-bit ASNs visible in the Routing Table:            32
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            499
Number of addresses announced to Internet:                   3111070720
    Equivalent to 185 /8s, 111 /16s and 44 /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:      320353

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

Prefixes being announced by APNIC Region ASes:                   255593
    Total APNIC prefixes after maximum aggregation:               76160
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          247274
    Unique aggregates announced from the APNIC address blocks:   102471
APNIC Region origin ASes present in the Internet Routing Table:   14527
    APNIC Prefixes per ASN:                                       17.02
APNIC Region origin ASes announcing only one prefix:               4431
APNIC Region transit ASes present in the Internet Routing Table:   1943
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:  10036
Number of APNIC addresses announced to Internet:              749161984
    Equivalent to 44 /8s, 167 /16s and 78 /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:                    289451
    Total ARIN prefixes after maximum aggregation:               128438
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           290260
    Unique aggregates announced from the ARIN address blocks:    136624
ARIN Region origin ASes present in the Internet Routing Table:    19220
    ARIN Prefixes per ASN:                                        15.10
ARIN Region origin ASes announcing only one prefix:                7031
ARIN Region transit ASes present in the Internet Routing Table:    1983
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:    5164
Number of ARIN addresses announced to Internet:              1352647936
    Equivalent to 80 /8s, 159 /16s and 197 /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:                    272696
    Total RIPE prefixes after maximum aggregation:               132718
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           270873
    Unique aggregates announced from the RIPE address blocks:    173402
RIPE Region origin ASes present in the Internet Routing Table:    28856
    RIPE Prefixes per ASN:                                         9.39
RIPE Region origin ASes announcing only one prefix:               12047
RIPE Region transit ASes present in the Internet Routing Table:    3972
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:   12315
Number of RIPE addresses announced to Internet:               732305920
    Equivalent to 43 /8s, 166 /16s and 26 /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:                  123685
    Total LACNIC prefixes after maximum aggregation:              29236
    LACNIC Deaggregation factor:                                   4.23
Prefixes being announced from the LACNIC address blocks:         120384
    Unique aggregates announced from the LACNIC address blocks:   48827
LACNIC Region origin ASes present in the Internet Routing Table:  11208
    LACNIC Prefixes per ASN:                                      10.74
LACNIC Region origin ASes announcing only one prefix:              2659
LACNIC Region transit ASes present in the Internet Routing Table:  2468
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:  9161
Number of LACNIC addresses announced to Internet:             171523328
    Equivalent to 10 /8s, 57 /16s and 61 /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:                  35016
    Total AfriNIC prefixes after maximum aggregation:              6770
    AfriNIC Deaggregation factor:                                  5.17
Prefixes being announced from the AfriNIC address blocks:         48162
    Unique aggregates announced from the AfriNIC address blocks:  13503
AfriNIC Region origin ASes present in the Internet Routing Table:  1912
    AfriNIC Prefixes per ASN:                                     25.19
AfriNIC Region origin ASes announcing only one prefix:              696
AfriNIC Region transit ASes present in the Internet Routing Table:  378
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: 1274
Number of AfriNIC addresses announced to Internet:            105184768
    Equivalent to 6 /8s, 68 /16s and 254 /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       10323       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6213        843     659  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4369        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4214        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3673       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3267       1869     101  VNPT-AS-VN VNPT Corp, VN
 24560        2837        847     536  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       12933      39643    3959  AMAZON-02, US
 11492        4675        310     585  CABLEONE, US
  7155        4174        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
 22773        3600       3054     221  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3590       8764     945  COGENT-174, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3073       1301    2221  AKAMAI-AS, US
396982        2943       3660     456  GOOGLE-CLOUD-PLATFORM, US
 30036        2569        356     384  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        7759       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4005       3395     129  AKAMAI-ASN1, NL
  9009        3751        321    1937  M247, RO
 12389        3000       2303     890  ROSTELECOM-AS, RU
 34984        2370        361     582  TELLCOM-AS, TR
212238        2049        146    1509  CDNEXT, GB
  8452        1608       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1489         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       11815       3236     580  UNINET, MX
 10620        3523        486     970  Telmex Colombia S.A., CO
 13999        2507        539     368  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1193        371      22  Telefonica del Peru S.A.A., PE
 11664        1162        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1070        359     174  Axtel, S.A.B. de C.V., MX
 22884        1048         69     376  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        1619        389      16  LINKdotNET-AS, EG
 29571        1580        104      44  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1006        521      42  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         859       1083      15  MOBINIL, EG
  6713         561       1861      35  IAM-AS, MA
 36914         547         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       12933      39643    3959  AMAZON-02, US
  8151       11815       3236     580  UNINET, MX
  9808       10323       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7759       1714     145  UNI2-AS, ES
  7545        6213        843     659  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4675        310     585  CABLEONE, US
 18403        4369        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4214        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4174        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       11815        11235  UNINET, MX
  9808       10323        10235  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7759         7614  UNI2-AS, ES
  7545        6213         5554  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4369         4344  FPT-AS-AP FPT Telecom Company, VN
  7155        4174         4091  VIASAT-SP-BACKBONE, US
 11492        4675         4090  CABLEONE, US
  9498        4214         3941  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912         3886  VIETEL-AS-AP Viettel Group, VN

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
23.136.28.0/24       Origin:      1015  SERVERSTARTERHOST, US
23.136.28.0/24      Transit:     30456  COSMIC-GLOBAL, US
23.138.40.0/22       Origin:       964  IONSWITCH-NW, US
23.138.40.0/22      Transit:     20055  AS-WHOLESAIL, US
23.138.41.0/24       Origin:       964  IONSWITCH-NW, US
23.138.41.0/24      Transit:     20055  AS-WHOLESAIL, 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    /16:13975   /17:8318    /18:13749   
/19:24622   /20:43796   /21:51751   /22:111972  /23:101256  /24:603563  
/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        6696        7759  UNI2-AS, ES
  8151        6027       11815  UNINET, MX
 11492        3528        4675  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3622  SHAW, CA
  7155        3121        4174  VIASAT-SP-BACKBONE, US
 22773        2718        3600  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2340       12933  AMAZON-02, US
 30036        2227        2569  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3523  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)
----------------------------------------------

   1:2337      2:1527      3:595       4:10        5:4571      6:162    
   7:6         8:1549      9:1        11:172      12:1375     13:344    
  14:2512     15:350      16:279      17:362      18:921      20:462    
  21:4        22:188      23:7350     24:3021     25:2        27:2742   
  29:19       31:3186     32:37       34:79       35:206      36:2400   
  37:4600     38:8866     39:899      40:154      41:4216     42:1962   
  43:2537     44:354      45:18403    46:5028     47:288      49:1983   
  50:1886     51:590      52:1556     54:301      55:1069     56:9      
  57:255      58:2200     59:1214     60:1165     61:2779     62:2902   
  63:1831     64:5493     65:2112     66:4627     67:3010     68:1152   
  69:3950     70:1164     71:620      72:2864     74:2784     75:1641   
  76:612      77:2699     78:1877     79:1732     80:2192     81:2024   
  82:2828     83:1388     84:1814     85:3370     86:1034     87:2162   
  88:1314     89:4324     90:782      91:8313     92:2796     93:2862   
  94:3910     95:4268     96:1421     97:315      98:1014     99:738    
 100:71      101:1049    102:3669    103:32181   104:4828    105:748    
 106:998     107:2618    108:1205    109:4115    110:2226    111:3319   
 112:2037    113:1792    114:1937    115:2157    116:2045    117:2756   
 118:2877    119:1955    120:1877    121:1361    122:2734    123:2182   
 124:1558    125:2871    126:88      128:1583    129:957     130:1280   
 131:1879    132:787     133:451     134:1530    135:328     136:1262   
 137:1290    138:2897    139:1620    140:1554    141:1480    142:1807   
 143:1645    144:1047    145:482     146:2159    147:2093    148:2603   
 149:2895    150:1246    151:2123    152:2108    153:571     154:7888   
 155:1615    156:3302    157:1912    158:1273    159:2428    160:3560   
 161:1953    162:3686    163:1931    164:1694    165:2191    166:1405   
 167:1879    168:4082    169:796     170:5119    171:1003    172:4471   
 173:3219    174:919     175:1254    176:3687    177:4684    178:3811   
 179:2300    180:2585    181:4039    182:3366    183:2064    184:2309   
 185:21502   186:5128    187:4392    188:4210    189:4213    190:9629   
 191:1511    192:11175   193:9427    194:7769    195:5548    196:3255   
 197:3657    198:6193    199:8378    200:8170    201:6289    202:10413  
 203:10595   204:4537    205:3658    206:4601    207:3562    208:4189   
 209:5188    210:4563    211:2526    212:4508    213:3733    214:1055   
 215:41      216:6580    217:3096    218:1327    219:372     220:2100   
 221:1057    222:720     223:2318   

End of report


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