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

REN Routing Table Report cscora at bgp.nsrc.org
Mon May 19 21:13:48 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Mon 19 May, 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:                              984150
    Prefixes after maximum aggregation (per Origin AS):          379129
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      479557
    Number of IPv4 prefixes with a valid ROA:                    546298
    Number of IPv4 prefixes with an invalid ROA:                    145
    Number of IPv4 prefixes with no ROA:                         437704
Total ASes present in the Internet Routing Table:                 76803
    Prefixes per ASN:                                             12.81
Origin-only ASes present in the Internet Routing Table:           65800
Origin ASes announcing only one prefix:                           26943
Transit ASes present in the Internet Routing Table:               11003
Transit-only ASes present in the Internet Routing Table:            547
Paths with bogon ASNs present in the IPv4 Routing Table:             20
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                     101
    Max AS path prepend of ASN ( 37447)                              98
Prefixes from unregistered ASNs in the Routing Table:               998
    Number of instances of unregistered ASNs:                      1004
Number of 32-bit ASNs allocated by the RIRs:                      46452
Number of 32-bit ASNs visible in the Routing Table:               38219
Prefixes from 32-bit ASNs in the Routing Table:                  202815
Number of bogon 32-bit ASNs visible in the Routing Table:            29
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            454
Number of addresses announced to Internet:                   3109408768
    Equivalent to 185 /8s, 85 /16s and 208 /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:      321742

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

Prefixes being announced by APNIC Region ASes:                   257857
    Total APNIC prefixes after maximum aggregation:               77140
    APNIC Deaggregation factor:                                    3.34
Prefixes being announced from the APNIC address blocks:          249001
    Unique aggregates announced from the APNIC address blocks:   103117
APNIC Region origin ASes present in the Internet Routing Table:   14605
    APNIC Prefixes per ASN:                                       17.05
APNIC Region origin ASes announcing only one prefix:               4452
APNIC Region transit ASes present in the Internet Routing Table:   1964
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10120
Number of APNIC addresses announced to Internet:              748506880
    Equivalent to 44 /8s, 157 /16s and 79 /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:                    291220
    Total ARIN prefixes after maximum aggregation:               130869
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:           292472
    Unique aggregates announced from the ARIN address blocks:    138764
ARIN Region origin ASes present in the Internet Routing Table:    19247
    ARIN Prefixes per ASN:                                        15.20
ARIN Region origin ASes announcing only one prefix:                7055
ARIN Region transit ASes present in the Internet Routing Table:    1990
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:    5215
Number of ARIN addresses announced to Internet:              1352461312
    Equivalent to 80 /8s, 156 /16s and 236 /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:                    274100
    Total RIPE prefixes after maximum aggregation:               134078
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           272210
    Unique aggregates announced from the RIPE address blocks:    174485
RIPE Region origin ASes present in the Internet Routing Table:    28888
    RIPE Prefixes per ASN:                                         9.42
RIPE Region origin ASes announcing only one prefix:               12048
RIPE Region transit ASes present in the Internet Routing Table:    3980
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12428
Number of RIPE addresses announced to Internet:               731281664
    Equivalent to 43 /8s, 150 /16s and 121 /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:                  124348
    Total LACNIC prefixes after maximum aggregation:              29624
    LACNIC Deaggregation factor:                                   4.20
Prefixes being announced from the LACNIC address blocks:         119970
    Unique aggregates announced from the LACNIC address blocks:   48892
LACNIC Region origin ASes present in the Internet Routing Table:  11233
    LACNIC Prefixes per ASN:                                      10.68
LACNIC Region origin ASes announcing only one prefix:              2691
LACNIC Region transit ASes present in the Internet Routing Table:  2497
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9179
Number of LACNIC addresses announced to Internet:             171750400
    Equivalent to 10 /8s, 60 /16s and 180 /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:                  35627
    Total AfriNIC prefixes after maximum aggregation:              6790
    AfriNIC Deaggregation factor:                                  5.25
Prefixes being announced from the AfriNIC address blocks:         50042
    Unique aggregates announced from the AfriNIC address blocks:  13899
AfriNIC Region origin ASes present in the Internet Routing Table:  1911
    AfriNIC Prefixes per ASN:                                     26.19
AfriNIC Region origin ASes announcing only one prefix:              697
AfriNIC Region transit ASes present in the Internet Routing Table:  376
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                      101
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1277
Number of AfriNIC addresses announced to Internet:            105188608
    Equivalent to 6 /8s, 69 /16s and 13 /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       10994       8756      96  CHINAMOBILE-CN China Mobile Communication
  7545        6172        842     654  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4494        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4285        534     301  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3908       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3692       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3265       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2864        852     535  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2173       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2165        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       13423      40826    5077  AMAZON-02, US
 11492        4726        313     592  CABLEONE, US
  7155        3864        286      85  VIASAT-SP-BACKBONE, US
  6327        3621       1320      81  SHAW, CA
 22773        3621       3053     213  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3469       8747     883  COGENT-174, US
   749        3230      54783    2481  DNIC-AS-00749, US
396982        3164       3851     416  GOOGLE-CLOUD-PLATFORM, US
 16625        3153       1320    2266  AKAMAI-AS, US
 36352        2824        230     868  AS-COLOCROSSING, 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        7690       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4070       3395     127  AKAMAI-ASN1, NL
  9009        3805        328    1986  M247, RO
 12389        3069       2304     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2391        360     581  TELLCOM-AS, TR
212238        2148        151    1580  CDNEXT, GB
  8452        1628       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1422         94     737  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       12009       3248     588  UNINET, MX
 10620        3499        480    1018  Telmex Colombia S.A., CO
 13999        2520        540     364  Mega Cable, S.A. de C.V., MX
 11830        1996        369      64  Instituto Costarricense de Electricidad y
 28573        1352       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1338        785     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1198        371      22  Telefonica del Peru S.A.A., PE
 22884        1061         70     380  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
262287        1049         83     227  Latitude.sh LTDA, BR
  6503        1042        374     163  Axtel, S.A.B. de C.V., MX

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        1778        632      28  RAYA-AS, EG
 24863        1652        389      16  LINKdotNET-AS, EG
 29571        1598        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1432       1519     280  ETISALAT-MISR, EG
 36903        1250        554      97  MT-MPLS, MA
 37069        1107       1100      18  MOBINIL, EG
 36935        1036        523      46  Vodafone-, EG
 20011         980        185     285  INTERNET-SOLUTIONS, ZA
 36914         552         82       3  KENET-AS, KE
 15399         532         56      54  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
 16509       13423      40826    5077  AMAZON-02, US
  8151       12009       3248     588  UNINET, MX
  9808       10994       8756      96  CHINAMOBILE-CN China Mobile Communication
 12479        7690       1714     148  UNI2-AS, ES
  7545        6172        842     654  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4726        313     592  CABLEONE, US
 18403        4494        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4285        534     301  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4070       3395     127  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
  8151       12009        11421  UNINET, MX
  9808       10994        10898  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7690         7542  UNI2-AS, ES
  7545        6172         5518  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4494         4469  FPT-AS-AP FPT Telecom Company, VN
 11492        4726         4134  CABLEONE, US
  9498        4285         3984  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4070         3943  AKAMAI-ASN1, NL
  7552        3908         3882  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
23.140.216.0/24      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
23.146.16.0/24       Origin:    396281  RESERVED, ZZ
23.146.16.0/24      Transit:      7018  ATT-INTERNET4, US
23.146.19.0/24       Origin:    396281  RESERVED, ZZ
23.146.19.0/24      Transit:      7018  ATT-INTERNET4, 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      /10:41      /11:92      /12:299     
/13:583     /14:1223    /15:2166    /16:13979   /17:8286    /18:13716   
/19:24629   /20:43906   /21:51678   /22:111971  /23:102148  /24:609400  
/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        6606        7690  UNI2-AS, ES
  8151        6231       12009  UNINET, MX
 11492        3532        4726  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        2823        3864  VIASAT-SP-BACKBONE, US
 22773        2747        3621  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2329       13423  AMAZON-02, US
 30036        2232        2573  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3499  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)
----------------------------------------------

   1:2351      2:1524      3:768       4:10        5:4699      6:163    
   7:6         8:1581      9:1        11:172      12:1365     13:415    
  14:2517     15:353      16:284      17:376      18:915      20:522    
  21:4        22:188      23:7584     24:2803     25:2        27:2779   
  29:19       31:3276     32:36       33:1        34:80       35:207    
  36:2894     37:4625     38:9146     39:910      40:169      41:4209   
  42:2028     43:2585     44:385      45:18539    46:5060     47:300    
  49:1933     50:1894     51:590      52:1557     54:309      55:1093   
  56:11       57:260      58:2221     59:1215     60:1167     61:2783   
  62:2928     63:1812     64:5481     65:2060     66:4664     67:3068   
  68:1157     69:3930     70:1127     71:636      72:2845     74:2783   
  75:1623     76:614      77:2706     78:1900     79:1752     80:2202   
  81:2074     82:3133     83:1431     84:1866     85:3428     86:1066   
  87:2161     88:1321     89:4375     90:775      91:8351     92:2689   
  93:2897     94:4053     95:4316     96:1461     97:312      98:1019   
  99:686     100:72      101:1152    102:3920    103:32222   104:5051   
 105:767     106:1033    107:2672    108:1217    109:4081    110:2242   
 111:3321    112:2072    113:1801    114:1969    115:2176    116:2044   
 117:2611    118:2888    119:1959    120:1925    121:1374    122:2763   
 123:2183    124:1590    125:2847    126:91      128:1624    129:959    
 130:1306    131:1973    132:778     133:451     134:1544    135:332    
 136:1351    137:1301    138:2890    139:1598    140:1589    141:1507   
 142:1899    143:1755    144:1095    145:504     146:2159    147:2111   
 148:2699    149:2868    150:1215    151:1912    152:2089    153:564    
 154:8123    155:1972    156:3321    157:1915    158:1321    159:2451   
 160:3828    161:1876    162:3753    163:2159    164:1697    165:2203   
 166:1480    167:1908    168:4291    169:794     170:5080    171:1008   
 172:4453    173:3291    174:924     175:1301    176:3697    177:4671   
 178:3627    179:2272    180:2621    181:4069    182:3438    183:2126   
 184:2114    185:21555   186:5162    187:4430    188:4247    189:4213   
 190:9543    191:1473    192:11263   193:9478    194:7773    195:5524   
 196:3294    197:3663    198:6189    199:8480    200:8196    201:6342   
 202:10291   203:10621   204:4567    205:3642    206:4519    207:3586   
 208:4279    209:5212    210:4592    211:2537    212:4547    213:3737   
 214:1029    215:48      216:6746    217:3141    218:1342    219:381    
 220:2088    221:1085    222:718     223:2381   

End of report


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