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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Mar 15 21:13:57 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Sat 15 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:                              977097
    Prefixes after maximum aggregation (per Origin AS):          374034
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      476207
    Number of IPv4 prefixes with a valid ROA:                    536680
    Number of IPv4 prefixes with an invalid ROA:                    145
    Number of IPv4 prefixes with no ROA:                         440272
Total ASes present in the Internet Routing Table:                 76637
    Prefixes per ASN:                                             12.75
Origin-only ASes present in the Internet Routing Table:           65694
Origin ASes announcing only one prefix:                           26857
Transit ASes present in the Internet Routing Table:               10943
Transit-only ASes present in the Internet Routing Table:            543
Paths with bogon ASNs present in the IPv4 Routing Table:             20
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:              1033
    Number of instances of unregistered ASNs:                      1038
Number of 32-bit ASNs allocated by the RIRs:                      46121
Number of 32-bit ASNs visible in the Routing Table:               37938
Prefixes from 32-bit ASNs in the Routing Table:                  199701
Number of bogon 32-bit ASNs visible in the Routing Table:            26
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            522
Number of addresses announced to Internet:                   3110723584
    Equivalent to 185 /8s, 105 /16s and 224 /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:      320204

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

Prefixes being announced by APNIC Region ASes:                   255574
    Total APNIC prefixes after maximum aggregation:               76146
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          247321
    Unique aggregates announced from the APNIC address blocks:   102614
APNIC Region origin ASes present in the Internet Routing Table:   14525
    APNIC Prefixes per ASN:                                       17.03
APNIC Region origin ASes announcing only one prefix:               4428
APNIC Region transit ASes present in the Internet Routing Table:   1961
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         44
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10032
Number of APNIC addresses announced to Internet:              749086720
    Equivalent to 44 /8s, 166 /16s and 40 /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:                    289412
    Total ARIN prefixes after maximum aggregation:               128506
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           290284
    Unique aggregates announced from the ARIN address blocks:    136583
ARIN Region origin ASes present in the Internet Routing Table:    19218
    ARIN Prefixes per ASN:                                        15.10
ARIN Region origin ASes announcing only one prefix:                7027
ARIN Region transit ASes present in the Internet Routing Table:    1985
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5162
Number of ARIN addresses announced to Internet:              1352606208
    Equivalent to 80 /8s, 159 /16s and 34 /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:                    272799
    Total RIPE prefixes after maximum aggregation:               132739
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           270875
    Unique aggregates announced from the RIPE address blocks:    173305
RIPE Region origin ASes present in the Internet Routing Table:    28862
    RIPE Prefixes per ASN:                                         9.39
RIPE Region origin ASes announcing only one prefix:               12053
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:   12316
Number of RIPE addresses announced to Internet:               732229632
    Equivalent to 43 /8s, 164 /16s and 240 /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:                  123305
    Total LACNIC prefixes after maximum aggregation:              29229
    LACNIC Deaggregation factor:                                   4.22
Prefixes being announced from the LACNIC address blocks:         120072
    Unique aggregates announced from the LACNIC address blocks:   48819
LACNIC Region origin ASes present in the Internet Routing Table:  11201
    LACNIC Prefixes per ASN:                                      10.72
LACNIC Region origin ASes announcing only one prefix:              2655
LACNIC Region transit ASes present in the Internet Routing Table:  2465
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        34
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9161
Number of LACNIC addresses announced to Internet:             171522816
    Equivalent to 10 /8s, 57 /16s and 59 /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:                  34974
    Total AfriNIC prefixes after maximum aggregation:              6774
    AfriNIC Deaggregation factor:                                  5.16
Prefixes being announced from the AfriNIC address blocks:         48022
    Unique aggregates announced from the AfriNIC address blocks:  14457
AfriNIC Region origin ASes present in the Internet Routing Table:  1904
    AfriNIC Prefixes per ASN:                                     25.22
AfriNIC Region origin ASes announcing only one prefix:              694
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:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1267
Number of AfriNIC addresses announced to Internet:            105026048
    Equivalent to 6 /8s, 66 /16s and 146 /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       10325       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4380        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3673       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3265       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2837        847     536  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2151        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       12929      39644    3965  AMAZON-02, US
 11492        4675        310     585  CABLEONE, US
  7155        4174        286      83  VIASAT-SP-BACKBONE, US
   174        3663       8766     950  COGENT-174, US
  6327        3621       1320      81  SHAW, CA
 22773        3601       3054     221  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3065       1297    2215  AKAMAI-AS, US
396982        2942       3660     455  GOOGLE-CLOUD-PLATFORM, US
 30036        2563        356     401  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        7756       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4009       3395     129  AKAMAI-ASN1, NL
  9009        3757        322    1939  M247, RO
 12389        2983       2303     890  ROSTELECOM-AS, RU
 34984        2369        361     582  TELLCOM-AS, TR
212238        2042        147    1507  CDNEXT, GB
  8452        1607       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1486         98     745  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       11819       3240     583  UNINET, MX
 10620        3524        487     971  Telmex Colombia S.A., CO
 13999        2507        539     368  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1195        371      22  Telefonica del Peru S.A.A., PE
 11664        1156        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1070        359     174  Axtel, S.A.B. de C.V., MX
 22884        1049         70     377  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1683        599      30  RAYA-AS, EG
 24863        1619        389      16  LINKdotNET-AS, EG
 29571        1562        103      64  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1006        521      42  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         855       1083      15  MOBINIL, EG
  6713         561       1861      35  IAM-AS, MA
 36914         548         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       12929      39644    3965  AMAZON-02, US
  8151       11819       3240     583  UNINET, MX
  9808       10325       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7756       1714     145  UNI2-AS, ES
  7545        6211        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4675        310     585  CABLEONE, US
 18403        4380        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4174        286      83  VIASAT-SP-BACKBONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       11819        11236  UNINET, MX
  9808       10325        10237  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7756         7611  UNI2-AS, ES
  7545        6211         5553  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4380         4355  FPT-AS-AP FPT Telecom Company, VN
  7155        4174         4091  VIASAT-SP-BACKBONE, US
 11492        4675         4090  CABLEONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912         3886  VIETEL-AS-AP Viettel Group, VN

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

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.136.12.0/24       Origin:    393772  THE-WRAPPER-COMPANY, ZZ
23.136.12.0/24      Transit:     20473  AS-VULTR, US
23.138.40.0/22       Origin:       964  IONSWITCH-NW, US
23.138.40.0/22      Transit:     20055  AS-WHOLESAIL, US
23.138.41.0/24       Origin:       964  IONSWITCH-NW, US
23.138.41.0/24      Transit:     20055  AS-WHOLESAIL, US
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US

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

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:16      /10:42      /11:92      /12:304     
/13:586     /14:1224    /15:2169    /16:13966   /17:8308    /18:13747   
/19:24588   /20:43770   /21:51729   /22:111924  /23:101130  /24:603485  
/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        6694        7756  UNI2-AS, ES
  8151        6024       11819  UNINET, MX
 11492        3528        4675  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        3121        4174  VIASAT-SP-BACKBONE, US
 22773        2719        3601  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2343       12929  AMAZON-02, US
 30036        2222        2563  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3524  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)
----------------------------------------------

   1:2339      2:1531      3:593       4:10        5:4577      6:162    
   7:6         8:1549      9:1        11:172      12:1375     13:347    
  14:2507     15:350      16:279      17:364      18:920      20:462    
  21:4        22:188      23:7346     24:3020     25:2        27:2742   
  29:19       31:3199     32:36       34:79       35:206      36:2401   
  37:4622     38:8931     39:900      40:154      41:4245     42:1960   
  43:2551     44:358      45:18390    46:5032     47:287      49:1984   
  50:1886     51:590      52:1555     54:301      55:1068     56:9      
  57:246      58:2185     59:1206     60:1165     61:2780     62:2897   
  63:1832     64:5499     65:2111     66:4633     67:3010     68:1150   
  69:3949     70:1163     71:623      72:2869     74:2784     75:1656   
  76:611      77:2694     78:1876     79:1730     80:2191     81:2016   
  82:2798     83:1395     84:1814     85:3369     86:1036     87:2165   
  88:1317     89:4328     90:783      91:8320     92:2792     93:2891   
  94:3907     95:4268     96:1414     97:317      98:1009     99:738    
 100:71      101:1131    102:3635    103:32211   104:4824    105:734    
 106:999     107:2622    108:1205    109:4116    110:2227    111:3316   
 112:2035    113:1791    114:1935    115:2156    116:2038    117:2758   
 118:2883    119:1956    120:1878    121:1360    122:2733    123:2178   
 124:1559    125:2871    126:88      128:1583    129:962     130:1279   
 131:1877    132:783     133:450     134:1531    135:328     136:1285   
 137:1292    138:2893    139:1619    140:1552    141:1478    142:1817   
 143:1646    144:1047    145:482     146:2153    147:2091    148:2597   
 149:2887    150:1239    151:2116    152:2104    153:571     154:7828   
 155:1625    156:3277    157:1918    158:1270    159:2430    160:3549   
 161:1947    162:3688    163:1914    164:1696    165:2187    166:1399   
 167:1880    168:4071    169:795     170:5106    171:1004    172:4449   
 173:3227    174:919     175:1264    176:3668    177:4754    178:3810   
 179:2300    180:2577    181:4028    182:3370    183:2066    184:2312   
 185:21509   186:5092    187:4369    188:4210    189:4161    190:9636   
 191:1483    192:11174   193:9423    194:7765    195:5548    196:3265   
 197:3653    198:6197    199:8369    200:8172    201:6294    202:10393  
 203:10594   204:4532    205:3650    206:4606    207:3561    208:4179   
 209:5196    210:4567    211:2526    212:4509    213:3734    214:1054   
 215:42      216:6586    217:3097    218:1327    219:372     220:2101   
 221:1056    222:719     223:2318   

End of report


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