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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Mar 6 21:13:52 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Thu 06 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:                              976489
    Prefixes after maximum aggregation (per Origin AS):          373609
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      476200
    Number of IPv4 prefixes with a valid ROA:                    536093
    Number of IPv4 prefixes with an invalid ROA:                    150
    Number of IPv4 prefixes with no ROA:                         440246
Total ASes present in the Internet Routing Table:                 76618
    Prefixes per ASN:                                             12.74
Origin-only ASes present in the Internet Routing Table:           65672
Origin ASes announcing only one prefix:                           26895
Transit ASes present in the Internet Routing Table:               10946
Transit-only ASes present in the Internet Routing Table:            547
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:               973
    Number of instances of unregistered ASNs:                       980
Number of 32-bit ASNs allocated by the RIRs:                      46200
Number of 32-bit ASNs visible in the Routing Table:               37893
Prefixes from 32-bit ASNs in the Routing Table:                  199278
Number of bogon 32-bit ASNs visible in the Routing Table:            36
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            466
Number of addresses announced to Internet:                   3110908928
    Equivalent to 185 /8s, 108 /16s and 180 /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:      320023

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

Prefixes being announced by APNIC Region ASes:                   255463
    Total APNIC prefixes after maximum aggregation:               76012
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          247336
    Unique aggregates announced from the APNIC address blocks:   102518
APNIC Region origin ASes present in the Internet Routing Table:   14511
    APNIC Prefixes per ASN:                                       17.04
APNIC Region origin ASes announcing only one prefix:               4429
APNIC Region transit ASes present in the Internet Routing Table:   1948
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10016
Number of APNIC addresses announced to Internet:              749343488
    Equivalent to 44 /8s, 170 /16s and 19 /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:                    288792
    Total ARIN prefixes after maximum aggregation:               128441
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289633
    Unique aggregates announced from the ARIN address blocks:    136448
ARIN Region origin ASes present in the Internet Routing Table:    19230
    ARIN Prefixes per ASN:                                        15.06
ARIN Region origin ASes announcing only one prefix:                7025
ARIN Region transit ASes present in the Internet Routing Table:    1989
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:    5167
Number of ARIN addresses announced to Internet:              1350194944
    Equivalent to 80 /8s, 122 /16s and 87 /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:                    272757
    Total RIPE prefixes after maximum aggregation:               132538
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           270650
    Unique aggregates announced from the RIPE address blocks:    172789
RIPE Region origin ASes present in the Internet Routing Table:    28846
    RIPE Prefixes per ASN:                                         9.38
RIPE Region origin ASes announcing only one prefix:               12065
RIPE Region transit ASes present in the Internet Routing Table:    3975
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:   12287
Number of RIPE addresses announced to Internet:               732731648
    Equivalent to 43 /8s, 172 /16s and 153 /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:                  123420
    Total LACNIC prefixes after maximum aggregation:              29192
    LACNIC Deaggregation factor:                                   4.23
Prefixes being announced from the LACNIC address blocks:         120353
    Unique aggregates announced from the LACNIC address blocks:   48834
LACNIC Region origin ASes present in the Internet Routing Table:  11210
    LACNIC Prefixes per ASN:                                      10.74
LACNIC Region origin ASes announcing only one prefix:              2678
LACNIC Region transit ASes present in the Internet Routing Table:  2479
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:  9154
Number of LACNIC addresses announced to Internet:             173769728
    Equivalent to 10 /8s, 91 /16s and 132 /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:                  35084
    Total AfriNIC prefixes after maximum aggregation:              6816
    AfriNIC Deaggregation factor:                                  5.15
Prefixes being announced from the AfriNIC address blocks:         48050
    Unique aggregates announced from the AfriNIC address blocks:  15208
AfriNIC Region origin ASes present in the Internet Routing Table:  1909
    AfriNIC Prefixes per ASN:                                     25.17
AfriNIC Region origin ASes announcing only one prefix:              698
AfriNIC Region transit ASes present in the Internet Routing Table:  374
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: 1269
Number of AfriNIC addresses announced to Internet:            104635392
    Equivalent to 6 /8s, 60 /16s and 156 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 102/8, 105/8, 154/8, 196/8, 197/8,

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  9808       10326       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6213        843     659  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4394        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3671       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3264       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2844        855     530  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2150        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       12963      39642    3939  AMAZON-02, US
 11492        4671        310     587  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3621       1320      81  SHAW, CA
 22773        3599       3054     221  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3421       8767     955  COGENT-174, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3078       1310    2224  AKAMAI-AS, US
396982        2936       3660     453  GOOGLE-CLOUD-PLATFORM, US
 30036        2572        358     385  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        7765       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4022       3395     129  AKAMAI-ASN1, NL
  9009        3762        322    1935  M247, RO
 12389        2979       2303     890  ROSTELECOM-AS, RU
 34984        2367        361     580  TELLCOM-AS, TR
212238        2027        146    1497  CDNEXT, GB
  8452        1619       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1488         98     747  CLOUVIDER Clouvider - Global ASN, GB

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

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11778       3234     591  UNINET, MX
 10620        3544        492     962  Telmex Colombia S.A., CO
 13999        2506        539     374  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1330        781     212  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1193        371      22  Telefonica del Peru S.A.A., PE
 11664        1167        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1105        374     163  Axtel, S.A.B. de C.V., MX
 22884        1046         82     370  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1683        599      30  RAYA-AS, EG
 24863        1618        389      16  LINKdotNET-AS, EG
 29571        1577         99     102  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1022        523      45  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         851       1083      15  MOBINIL, EG
  6713         556       1861      35  IAM-AS, MA
 36914         552         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       12963      39642    3939  AMAZON-02, US
  8151       11778       3234     591  UNINET, MX
  9808       10326       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7765       1714     145  UNI2-AS, ES
  7545        6213        843     659  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4671        310     587  CABLEONE, US
 18403        4394        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4175        286      83  VIASAT-SP-BACKBONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       11778        11187  UNINET, MX
  9808       10326        10238  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7765         7620  UNI2-AS, ES
  7545        6213         5554  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4394         4369  FPT-AS-AP FPT Telecom Company, VN
  7155        4175         4092  VIASAT-SP-BACKBONE, US
 11492        4671         4084  CABLEONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921         3895  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
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, US
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       /9:16      /10:42      /11:92      /12:304     
/13:586     /14:1224    /15:2169    /16:13967   /17:8310    /18:13730   
/19:24590   /20:43851   /21:51832   /22:112147  /23:101232  /24:602380  
/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        6706        7765  UNI2-AS, ES
  8151        5992       11778  UNINET, MX
 11492        3527        4671  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2717        3599  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2336       12963  AMAZON-02, US
 30036        2230        2572  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2184        3544  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)
----------------------------------------------

   1:2328      2:1531      3:584       4:10        5:4565      6:167    
   7:6         8:1549      9:1        11:172      12:1376     13:349    
  14:2511     15:350      16:277      17:364      18:924      20:455    
  21:4        22:188      23:7338     24:2743     25:2        27:2751   
  29:19       31:3184     32:35       34:79       35:206      36:2407   
  37:4614     38:8716     39:898      40:153      41:4215     42:1990   
  43:2532     44:356      45:18346    46:5027     47:289      49:1976   
  50:1889     51:589      52:1565     54:302      55:1054     56:9      
  57:243      58:2214     59:1199     60:1166     61:2779     62:2915   
  63:1829     64:5518     65:2119     66:4651     67:3019     68:1155   
  69:3971     70:1155     71:616      72:2878     74:2779     75:1652   
  76:610      77:2687     78:1880     79:1718     80:2190     81:2013   
  82:2729     83:1398     84:1811     85:3359     86:1029     87:2164   
  88:1312     89:4311     90:779      91:8330     92:2793     93:2893   
  94:3903     95:4284     96:1408     97:318      98:994      99:740    
 100:71      101:1136    102:3674    103:32237   104:4810    105:758    
 106:997     107:2611    108:1209    109:4108    110:2224    111:3318   
 112:2042    113:1792    114:1937    115:2164    116:2035    117:2760   
 118:2884    119:1957    120:1879    121:1360    122:2761    123:2178   
 124:1565    125:2868    126:88      128:1591    129:962     130:1285   
 131:1852    132:784     133:451     134:1528    135:327     136:1275   
 137:1290    138:2890    139:1625    140:1552    141:1467    142:1824   
 143:1638    144:1034    145:477     146:2154    147:2076    148:2595   
 149:2852    150:1238    151:1964    152:2107    153:571     154:7792   
 155:1618    156:3266    157:1914    158:1272    159:2424    160:3569   
 161:1929    162:3687    163:1875    164:1701    165:2187    166:1385   
 167:1876    168:4055    169:795     170:5072    171:1002    172:4460   
 173:3231    174:920     175:1266    176:3656    177:4712    178:3777   
 179:2229    180:2581    181:4022    182:3373    183:2067    184:2314   
 185:21489   186:5090    187:4310    188:4208    189:4195    190:9653   
 191:1527    192:11171   193:9407    194:7742    195:5535    196:3240   
 197:3653    198:6197    199:8377    200:8155    201:6299    202:10369  
 203:10625   204:4541    205:3655    206:4589    207:3571    208:4188   
 209:5203    210:4563    211:2527    212:4505    213:3747    214:1059   
 215:42      216:6571    217:3114    218:1333    219:372     220:2104   
 221:1056    222:718     223:2315   

End of report


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