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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Jun 20 21:13:19 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Fri 20 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:                              985861
    Prefixes after maximum aggregation (per Origin AS):          380378
    Deaggregation factor:                                          2.59
    Unique aggregates announced (without unneeded subnets):      482080
    Number of IPv4 prefixes with a valid ROA:                    549557
    Number of IPv4 prefixes with an invalid ROA:                    147
    Number of IPv4 prefixes with no ROA:                         436157
Total ASes present in the Internet Routing Table:                 76856
    Prefixes per ASN:                                             12.83
Origin-only ASes present in the Internet Routing Table:           65844
Origin ASes announcing only one prefix:                           26877
Transit ASes present in the Internet Routing Table:               11012
Transit-only ASes present in the Internet Routing Table:            550
Paths with bogon ASNs present in the IPv4 Routing Table:             29
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      78
    Max AS path prepend of ASN (133647)                              73
Prefixes from unregistered ASNs in the Routing Table:              1154
    Number of instances of unregistered ASNs:                      1192
Number of 32-bit ASNs allocated by the RIRs:                      46692
Number of 32-bit ASNs visible in the Routing Table:               38367
Prefixes from 32-bit ASNs in the Routing Table:                  204071
Number of bogon 32-bit ASNs visible in the Routing Table:           104
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            454
Number of addresses announced to Internet:                   3105929984
    Equivalent to 185 /8s, 32 /16s and 187 /24s
    Percentage of available address space announced:               83.9
    Percentage of allocated address space announced:               83.9
    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:      322685

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

Prefixes being announced by APNIC Region ASes:                   259058
    Total APNIC prefixes after maximum aggregation:               77312
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          250321
    Unique aggregates announced from the APNIC address blocks:   104381
APNIC Region origin ASes present in the Internet Routing Table:   14616
    APNIC Prefixes per ASN:                                       17.13
APNIC Region origin ASes announcing only one prefix:               4444
APNIC Region transit ASes present in the Internet Routing Table:   1962
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         78
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10142
Number of APNIC addresses announced to Internet:              748645632
    Equivalent to 44 /8s, 159 /16s and 109 /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:                    291159
    Total ARIN prefixes after maximum aggregation:               131311
    ARIN Deaggregation factor:                                     2.22
Prefixes being announced from the ARIN address blocks:           293036
    Unique aggregates announced from the ARIN address blocks:    139400
ARIN Region origin ASes present in the Internet Routing Table:    19225
    ARIN Prefixes per ASN:                                        15.24
ARIN Region origin ASes announcing only one prefix:                7026
ARIN Region transit ASes present in the Internet Routing Table:    2000
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:    5229
Number of ARIN addresses announced to Internet:              1349604352
    Equivalent to 80 /8s, 113 /16s and 84 /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:                    275049
    Total RIPE prefixes after maximum aggregation:               134802
    RIPE Deaggregation factor:                                     2.04
Prefixes being announced from the RIPE address blocks:           273731
    Unique aggregates announced from the RIPE address blocks:    175417
RIPE Region origin ASes present in the Internet Routing Table:    28902
    RIPE Prefixes per ASN:                                         9.47
RIPE Region origin ASes announcing only one prefix:               12053
RIPE Region transit ASes present in the Internet Routing Table:    3976
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          31
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12494
Number of RIPE addresses announced to Internet:               731076864
    Equivalent to 43 /8s, 147 /16s and 89 /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:                  124108
    Total LACNIC prefixes after maximum aggregation:              29576
    LACNIC Deaggregation factor:                                   4.20
Prefixes being announced from the LACNIC address blocks:         120637
    Unique aggregates announced from the LACNIC address blocks:   48945
LACNIC Region origin ASes present in the Internet Routing Table:  11265
    LACNIC Prefixes per ASN:                                      10.71
LACNIC Region origin ASes announcing only one prefix:              2658
LACNIC Region transit ASes present in the Internet Routing Table:  2506
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9215
Number of LACNIC addresses announced to Internet:             171297280
    Equivalent to 10 /8s, 53 /16s and 202 /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:                  35333
    Total AfriNIC prefixes after maximum aggregation:              6629
    AfriNIC Deaggregation factor:                                  5.33
Prefixes being announced from the AfriNIC address blocks:         47681
    Unique aggregates announced from the AfriNIC address blocks:  13534
AfriNIC Region origin ASes present in the Internet Routing Table:  1925
    AfriNIC Prefixes per ASN:                                     24.77
AfriNIC Region origin ASes announcing only one prefix:              696
AfriNIC Region transit ASes present in the Internet Routing Table:  379
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: 1287
Number of AfriNIC addresses announced to Internet:            105093632
    Equivalent to 6 /8s, 67 /16s and 154 /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       11227       8759     105  CHINAMOBILE-CN China Mobile Communication
  7545        6183        846     650  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4452        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4326        534     308  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3919       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        2888        856     531  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 56046        2191        811     178  CMNET-JIANGSU-AP China Mobile communicati
  4755        2176        434     194  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       13641      40957    5241  AMAZON-02, US
 11492        4780        317     603  CABLEONE, US
  7155        3857        286      85  VIASAT-SP-BACKBONE, US
  6327        3635       1320      81  SHAW, CA
 22773        3608       3037     209  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3537       8743     861  COGENT-174, US
   749        3227      54767    2478  DNIC-AS-00749, US
396982        3191       3854     427  GOOGLE-CLOUD-PLATFORM, US
 16625        3130       1314    2260  AKAMAI-AS, US
 36352        2823        230     852  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        7674       1713     148  UNI2-AS, ES
 39891        4780        291      66  ALJAWWALSTC-AS, SA
 20940        4064       3395     126  AKAMAI-ASN1, NL
  9009        3896        358    2100  M247, RO
 12389        3107       2304     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2402        361     576  TELLCOM-AS, TR
212238        2312        169    1694  CDNEXT, GB
  8452        1633       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1414        366      39  BEZEQ-INTERNATIONAL-AS Bezeqint Internet 

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       12209       3256     574  UNINET, MX
 10620        3504        481    1016  Telmex Colombia S.A., CO
 13999        2538        537     354  Mega Cable, S.A. de C.V., MX
 11830        1987        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,
 11664        1208        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1197        371      22  Telefonica del Peru S.A.A., PE
 22884        1063         70     372  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
 26615        1048       2503      52  TIM SA, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1820        644      27  RAYA-AS, EG
 24863        1621        389      17  LINKdotNET-AS, EG
 29571        1607        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1431       1519     280  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 37069        1107       1100      18  MOBINIL, EG
 36935        1078        523      47  Vodafone-, EG
 36914         570         82       3  KENET-AS, KE
 20011         568        154     212  INTERNET-SOLUTIONS, ZA
 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       13641      40957    5241  AMAZON-02, US
  8151       12209       3256     574  UNINET, MX
  9808       11227       8759     105  CHINAMOBILE-CN China Mobile Communication
 12479        7674       1713     148  UNI2-AS, ES
  7545        6183        846     650  TPG-INTERNET-AP TPG Telecom Limited, AU
 11492        4780        317     603  CABLEONE, US
 39891        4780        291      66  ALJAWWALSTC-AS, SA
 18403        4452        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4326        534     308  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4064       3395     126  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       12209        11635  UNINET, MX
  9808       11227        11122  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7674         7526  UNI2-AS, ES
  7545        6183         5533  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4780         4714  ALJAWWALSTC-AS, SA
 18403        4452         4427  FPT-AS-AP FPT Telecom Company, VN
 11492        4780         4177  CABLEONE, US
  9498        4326         4018  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4064         3938  AKAMAI-ASN1, NL
  7552        3919         3893  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      /12:300     
/13:584     /14:1209    /15:2153    /16:13850   /17:8258    /18:13531   
/19:24565   /20:44020   /21:51749   /22:112118  /23:102922  /24:610438  
/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        6596        7674  UNI2-AS, ES
  8151        6425       12209  UNINET, MX
 11492        3576        4780  CABLEONE, US
 39891        3489        4780  ALJAWWALSTC-AS, SA
  6327        3431        3635  SHAW, CA
  7155        2816        3857  VIASAT-SP-BACKBONE, US
 22773        2738        3608  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2346       13641  AMAZON-02, US
 30036        2258        2600  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2191        3504  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)
----------------------------------------------

   1:2376      2:1525      3:826       4:10        5:4767      6:162    
   7:6         8:1571      9:1        11:172      12:1347     13:451    
  14:2525     15:364      16:285      17:376      18:918      20:548    
  21:4        22:188      23:7641     24:2876     25:2        27:2775   
  29:19       31:3294     32:35       33:1        34:80       35:256    
  36:3150     37:4571     38:9368     39:907      40:169      41:4285   
  42:1991     43:2610     44:383      45:18600    46:5111     47:319    
  49:1945     50:1885     51:591      52:1564     54:322      55:1083   
  56:11       57:271      58:2217     59:1185     60:1171     61:2792   
  62:2931     63:1799     64:5491     65:2059     66:4670     67:3081   
  68:1153     69:3941     70:1132     71:631      72:2876     74:2800   
  75:1516     76:622      77:2723     78:1904     79:1715     80:2208   
  81:2052     82:3180     83:1444     84:1876     85:3384     86:1088   
  87:2127     88:1340     89:4412     90:770      91:8367     92:2724   
  93:2924     94:4026     95:4395     96:1472     97:311      98:1023   
  99:687     100:72      101:1405    102:3880    103:32290   104:5155   
 105:764     106:1043    107:2686    108:1246    109:4087    110:2224   
 111:3283    112:2127    113:1814    114:1912    115:2161    116:2059   
 117:2574    118:2885    119:1904    120:2053    121:1377    122:2792   
 123:2199    124:1589    125:2865    126:91      128:1614    129:952    
 130:1308    131:2048    132:783     133:451     134:1548    135:346    
 136:1349    137:1308    138:2862    139:1590    140:1616    141:1503   
 142:1908    143:1861    144:1152    145:546     146:2182    147:2111   
 148:2699    149:2918    150:1258    151:1967    152:2085    153:590    
 154:7341    155:1753    156:2852    157:1924    158:1330    159:2496   
 160:3602    161:1856    162:3868    163:2230    164:1827    165:1998   
 166:1495    167:1979    168:3980    169:794     170:5129    171:1011   
 172:4472    173:3343    174:928     175:1303    176:3708    177:4726   
 178:3679    179:2319    180:2637    181:4077    182:3461    183:2070   
 184:2130    185:21457   186:5175    187:4574    188:4264    189:4315   
 190:9578    191:1490    192:11314   193:9473    194:7809    195:5528   
 196:3290    197:3246    198:6200    199:8510    200:8216    201:6387   
 202:10281   203:10671   204:4576    205:3657    206:4489    207:3586   
 208:4296    209:5170    210:4613    211:2536    212:4588    213:3750   
 214:1030    215:48      216:6778    217:3195    218:1355    219:390    
 220:2084    221:1147    222:725     223:2481   

End of report


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