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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Jun 10 21:12:55 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Tue 10 Jun, 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:                              985442
    Prefixes after maximum aggregation (per Origin AS):          380180
    Deaggregation factor:                                          2.59
    Unique aggregates announced (without unneeded subnets):      481800
    Number of IPv4 prefixes with a valid ROA:                    549433
    Number of IPv4 prefixes with an invalid ROA:                    150
    Number of IPv4 prefixes with no ROA:                         435856
Total ASes present in the Internet Routing Table:                 76893
    Prefixes per ASN:                                             12.82
Origin-only ASes present in the Internet Routing Table:           65868
Origin ASes announcing only one prefix:                           26921
Transit ASes present in the Internet Routing Table:               11025
Transit-only ASes present in the Internet Routing Table:            559
Paths with bogon ASNs present in the IPv4 Routing Table:             24
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (139693)                              35
Prefixes from unregistered ASNs in the Routing Table:               994
    Number of instances of unregistered ASNs:                      1028
Number of 32-bit ASNs allocated by the RIRs:                      46631
Number of 32-bit ASNs visible in the Routing Table:               38342
Prefixes from 32-bit ASNs in the Routing Table:                  203151
Number of bogon 32-bit ASNs visible in the Routing Table:            94
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            445
Number of addresses announced to Internet:                   3110635776
    Equivalent to 185 /8s, 104 /16s and 137 /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:      322661

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

Prefixes being announced by APNIC Region ASes:                   258242
    Total APNIC prefixes after maximum aggregation:               77241
    APNIC Deaggregation factor:                                    3.34
Prefixes being announced from the APNIC address blocks:          249606
    Unique aggregates announced from the APNIC address blocks:   104018
APNIC Region origin ASes present in the Internet Routing Table:   14600
    APNIC Prefixes per ASN:                                       17.10
APNIC Region origin ASes announcing only one prefix:               4453
APNIC Region transit ASes present in the Internet Routing Table:   1961
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         39
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10126
Number of APNIC addresses announced to Internet:              749186560
    Equivalent to 44 /8s, 167 /16s and 174 /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:                    291120
    Total ARIN prefixes after maximum aggregation:               131282
    ARIN Deaggregation factor:                                     2.22
Prefixes being announced from the ARIN address blocks:           292816
    Unique aggregates announced from the ARIN address blocks:    139347
ARIN Region origin ASes present in the Internet Routing Table:    19244
    ARIN Prefixes per ASN:                                        15.22
ARIN Region origin ASes announcing only one prefix:                7039
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:    5227
Number of ARIN addresses announced to Internet:              1353032448
    Equivalent to 80 /8s, 165 /16s and 163 /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:                    275219
    Total RIPE prefixes after maximum aggregation:               134772
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           273787
    Unique aggregates announced from the RIPE address blocks:    175469
RIPE Region origin ASes present in the Internet Routing Table:    28947
    RIPE Prefixes per ASN:                                         9.46
RIPE Region origin ASes announcing only one prefix:               12065
RIPE Region transit ASes present in the Internet Routing Table:    3997
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:   12494
Number of RIPE addresses announced to Internet:               731340032
    Equivalent to 43 /8s, 151 /16s and 93 /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:                  124250
    Total LACNIC prefixes after maximum aggregation:              29556
    LACNIC Deaggregation factor:                                   4.20
Prefixes being announced from the LACNIC address blocks:         120566
    Unique aggregates announced from the LACNIC address blocks:   49033
LACNIC Region origin ASes present in the Internet Routing Table:  11259
    LACNIC Prefixes per ASN:                                      10.71
LACNIC Region origin ASes announcing only one prefix:              2666
LACNIC Region transit ASes present in the Internet Routing Table:  2507
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:  9211
Number of LACNIC addresses announced to Internet:             171834368
    Equivalent to 10 /8s, 61 /16s and 252 /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:                  35617
    Total AfriNIC prefixes after maximum aggregation:              6712
    AfriNIC Deaggregation factor:                                  5.31
Prefixes being announced from the AfriNIC address blocks:         48221
    Unique aggregates announced from the AfriNIC address blocks:  13539
AfriNIC Region origin ASes present in the Internet Routing Table:  1919
    AfriNIC Prefixes per ASN:                                     25.13
AfriNIC Region origin ASes announcing only one prefix:              698
AfriNIC Region transit ASes present in the Internet Routing Table:  377
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1284
Number of AfriNIC addresses announced to Internet:            105039360
    Equivalent to 6 /8s, 66 /16s and 198 /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       11077       8758     100  CHINAMOBILE-CN China Mobile Communication
  7545        6180        844     651  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4482        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4303        534     304  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3920       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3695       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3268       1869     101  VNPT-AS-VN VNPT Corp, VN
 24560        2881        854     529  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4755        2175        434     193  TATACOMM-AS TATA Communications formerly 
 45090        2173       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

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       13671      40939    5243  AMAZON-02, US
 11492        4762        316     595  CABLEONE, US
  7155        3863        286      85  VIASAT-SP-BACKBONE, US
  6327        3631       1320      81  SHAW, CA
 22773        3605       3037     211  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3457       8746     888  COGENT-174, US
   749        3229      54783    2480  DNIC-AS-00749, US
396982        3184       3854     425  GOOGLE-CLOUD-PLATFORM, US
 16625        3145       1314    2264  AKAMAI-AS, US
 36352        2812        230     855  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        7697       1714     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        4063       3395     127  AKAMAI-ASN1, NL
  9009        3883        357    2086  M247, RO
 12389        3106       2304     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2391        360     580  TELLCOM-AS, TR
212238        2258        164    1647  CDNEXT, GB
  8452        1636       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1414         94     738  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       12172       3233     586  UNINET, MX
 10620        3499        480    1017  Telmex Colombia S.A., CO
 13999        2550        540     363  Mega Cable, S.A. de C.V., MX
 11830        1990        369      64  Instituto Costarricense de Electricidad y
 28573        1371       2436     266  Claro NXT Telecomunicacoes Ltda, BR
  3816        1340        787     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1199        371      22  Telefonica del Peru S.A.A., PE
 11664        1196        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1063         70     376  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1041        373     162  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        1820        644      27  RAYA-AS, EG
 24863        1634        389      17  LINKdotNET-AS, EG
 29571        1615        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1431       1519     280  ETISALAT-MISR, EG
 36903        1247        553     104  MT-MPLS, MA
 37069        1107       1100      18  MOBINIL, EG
 36935        1050        520      44  Vodafone-, EG
 20011         980        185     285  INTERNET-SOLUTIONS, ZA
 36914         564         82       3  KENET-AS, KE
 15399         530         56      53  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       13671      40939    5243  AMAZON-02, US
  8151       12172       3233     586  UNINET, MX
  9808       11077       8758     100  CHINAMOBILE-CN China Mobile Communication
 12479        7697       1714     148  UNI2-AS, ES
  7545        6180        844     651  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 11492        4762        316     595  CABLEONE, US
 18403        4482        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4303        534     304  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4063       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       12172        11586  UNINET, MX
  9808       11077        10977  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7697         7549  UNI2-AS, ES
  7545        6180         5529  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4798         4735  ALJAWWALSTC-AS, SA
 18403        4482         4457  FPT-AS-AP FPT Telecom Company, VN
 11492        4762         4167  CABLEONE, US
  9498        4303         3999  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4063         3936  AKAMAI-ASN1, NL
  7552        3920         3894  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
     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
    395195  UNALLOCATED  8.38.115.0/24             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
23.147.240.0/24      Origin:     32302  RESERVED, ZZ
23.147.240.0/24     Transit:     32787  PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
23.155.208.0/24      Origin:    396169  AS-GHCIL-01, US
23.155.208.0/24     Transit:     35985  ONERINGNET-ATL-1, 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       /9:14      /10:41      /11:92      /12:299     
/13:584     /14:1220    /15:2169    /16:13909   /17:8280    /18:13703   
/19:24606   /20:44072   /21:51771   /22:112196  /23:102703  /24:609766  
/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        6616        7697  UNI2-AS, ES
  8151        6383       12172  UNINET, MX
 11492        3559        4762  CABLEONE, US
 39891        3489        4798  ALJAWWALSTC-AS, SA
  6327        3427        3631  SHAW, CA
  7155        2822        3863  VIASAT-SP-BACKBONE, US
 22773        2733        3605  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2374       13671  AMAZON-02, US
 30036        2247        2589  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2186        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)
----------------------------------------------

   1:2369      2:1514      3:813       4:9         5:4718      6:162    
   7:6         8:1574      9:1        11:172      12:1350     13:450    
  14:2521     15:359      16:285      17:376      18:921      20:545    
  21:4        22:188      23:7617     24:2803     25:2        27:2787   
  29:19       31:3281     32:36       33:1        34:80       35:257    
  36:3076     37:4604     38:9206     39:909      40:172      41:4203   
  42:1998     43:2605     44:380      45:18540    46:5117     47:318    
  49:1941     50:1882     51:591      52:1568     54:319      55:1086   
  56:11       57:268      58:2216     59:1183     60:1172     61:2793   
  62:2937     63:1801     64:5469     65:2065     66:4656     67:3064   
  68:1157     69:3946     70:1137     71:634      72:2850     74:2801   
  75:1518     76:616      77:2715     78:1910     79:1714     80:2224   
  81:2052     82:3151     83:1448     84:1874     85:3458     86:1076   
  87:2142     88:1329     89:4412     90:771      91:8397     92:2727   
  93:2912     94:4022     95:4363     96:1465     97:311      98:1019   
  99:698     100:73      101:1193    102:3848    103:32199   104:5112   
 105:760     106:1038    107:2688    108:1243    109:4082    110:2235   
 111:3273    112:2130    113:1805    114:1989    115:2135    116:2057   
 117:2565    118:2894    119:1908    120:1997    121:1382    122:2788   
 123:2195    124:1585    125:2859    126:91      128:1615    129:965    
 130:1307    131:2009    132:782     133:449     134:1532    135:334    
 136:1351    137:1312    138:2836    139:1602    140:1602    141:1505   
 142:1903    143:1830    144:1128    145:528     146:2183    147:2116   
 148:2710    149:2888    150:1249    151:1962    152:2095    153:578    
 154:7481    155:1743    156:3017    157:1923    158:1323    159:2493   
 160:3597    161:1854    162:3840    163:2212    164:1857    165:1978   
 166:1496    167:1961    168:4007    169:795     170:5109    171:1024   
 172:4458    173:3317    174:926     175:1303    176:3702    177:4672   
 178:3708    179:2296    180:2635    181:4082    182:3444    183:2102   
 184:2121    185:21602   186:5160    187:4508    188:4248    189:4287   
 190:9576    191:1480    192:11312   193:9487    194:7807    195:5542   
 196:3277    197:3658    198:6208    199:8504    200:8222    201:6373   
 202:10275   203:10652   204:4577    205:3659    206:4512    207:3611   
 208:4258    209:5163    210:4611    211:2534    212:4575    213:3735   
 214:1031    215:48      216:6780    217:3157    218:1357    219:390    
 220:2089    221:1134    222:724     223:2453   

End of report


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