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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Mar 11 21:13:50 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Tue 11 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:                              976849
    Prefixes after maximum aggregation (per Origin AS):          373749
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      475791
    Number of IPv4 prefixes with a valid ROA:                    535969
    Number of IPv4 prefixes with an invalid ROA:                    147
    Number of IPv4 prefixes with no ROA:                         440733
Total ASes present in the Internet Routing Table:                 76610
    Prefixes per ASN:                                             12.75
Origin-only ASes present in the Internet Routing Table:           65675
Origin ASes announcing only one prefix:                           26871
Transit ASes present in the Internet Routing Table:               10935
Transit-only ASes present in the Internet Routing Table:            542
Paths with bogon ASNs present in the IPv4 Routing Table:             24
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:               966
    Number of instances of unregistered ASNs:                       986
Number of 32-bit ASNs allocated by the RIRs:                      46190
Number of 32-bit ASNs visible in the Routing Table:               37903
Prefixes from 32-bit ASNs in the Routing Table:                  199117
Number of bogon 32-bit ASNs visible in the Routing Table:            62
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            461
Number of addresses announced to Internet:                   3110616064
    Equivalent to 185 /8s, 104 /16s and 60 /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:      320488

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

Prefixes being announced by APNIC Region ASes:                   255282
    Total APNIC prefixes after maximum aggregation:               75986
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          247224
    Unique aggregates announced from the APNIC address blocks:   102466
APNIC Region origin ASes present in the Internet Routing Table:   14513
    APNIC Prefixes per ASN:                                       17.03
APNIC Region origin ASes announcing only one prefix:               4424
APNIC Region transit ASes present in the Internet Routing Table:   1953
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         37
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10021
Number of APNIC addresses announced to Internet:              749259008
    Equivalent to 44 /8s, 168 /16s and 201 /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:                    289240
    Total ARIN prefixes after maximum aggregation:               128526
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           290172
    Unique aggregates announced from the ARIN address blocks:    136577
ARIN Region origin ASes present in the Internet Routing Table:    19227
    ARIN Prefixes per ASN:                                        15.09
ARIN Region origin ASes announcing only one prefix:                7025
ARIN Region transit ASes present in the Internet Routing Table:    1987
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:    5166
Number of ARIN addresses announced to Internet:              1351246592
    Equivalent to 80 /8s, 138 /16s and 99 /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:                    272795
    Total RIPE prefixes after maximum aggregation:               132572
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           270650
    Unique aggregates announced from the RIPE address blocks:    172913
RIPE Region origin ASes present in the Internet Routing Table:    28852
    RIPE Prefixes per ASN:                                         9.38
RIPE Region origin ASes announcing only one prefix:               12061
RIPE Region transit ASes present in the Internet Routing Table:    3971
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:   12299
Number of RIPE addresses announced to Internet:               732134912
    Equivalent to 43 /8s, 163 /16s and 126 /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:                  123437
    Total LACNIC prefixes after maximum aggregation:              29226
    LACNIC Deaggregation factor:                                   4.22
Prefixes being announced from the LACNIC address blocks:         120323
    Unique aggregates announced from the LACNIC address blocks:   48907
LACNIC Region origin ASes present in the Internet Routing Table:  11205
    LACNIC Prefixes per ASN:                                      10.74
LACNIC Region origin ASes announcing only one prefix:              2668
LACNIC Region transit ASes present in the Internet Routing Table:  2471
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:  9149
Number of LACNIC addresses announced to Internet:             172699392
    Equivalent to 10 /8s, 75 /16s and 47 /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:                  35129
    Total AfriNIC prefixes after maximum aggregation:              6831
    AfriNIC Deaggregation factor:                                  5.14
Prefixes being announced from the AfriNIC address blocks:         48018
    Unique aggregates announced from the AfriNIC address blocks:  14530
AfriNIC Region origin ASes present in the Internet Routing Table:  1907
    AfriNIC Prefixes per ASN:                                     25.18
AfriNIC Region origin ASes announcing only one prefix:              693
AfriNIC Region transit ASes present in the Internet Routing Table:  375
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: 1268
Number of AfriNIC addresses announced to Internet:            105043712
    Equivalent to 6 /8s, 66 /16s and 215 /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       10327       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6212        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4397        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3922       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3672       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3266       1869     101  VNPT-AS-VN VNPT Corp, VN
 24560        2837        848     537  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       12928      39643    3944  AMAZON-02, US
 11492        4673        310     589  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
   174        3663       8768     961  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        3078       1306    2226  AKAMAI-AS, US
396982        2942       3660     455  GOOGLE-CLOUD-PLATFORM, US
 30036        2562        355     407  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        7775       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4016       3395     129  AKAMAI-ASN1, NL
  9009        3766        322    1942  M247, RO
 12389        2979       2303     890  ROSTELECOM-AS, RU
 34984        2367        361     580  TELLCOM-AS, TR
212238        2028        144    1495  CDNEXT, GB
  8452        1606       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       11807       3239     587  UNINET, MX
 10620        3523        487     970  Telmex Colombia S.A., CO
 13999        2504        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        1329        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1202        371      22  Telefonica del Peru S.A.A., PE
 11664        1167        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1107        359     174  Axtel, S.A.B. de C.V., MX
 22884        1051         70     376  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        1582        100     104  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         871       1083      15  MOBINIL, EG
  6713         559       1861      35  IAM-AS, MA
 36914         541         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       12928      39643    3944  AMAZON-02, US
  8151       11807       3239     587  UNINET, MX
  9808       10327       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7775       1714     145  UNI2-AS, ES
  7545        6212        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4673        310     589  CABLEONE, US
 18403        4397        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       11807        11220  UNINET, MX
  9808       10327        10239  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7775         7630  UNI2-AS, ES
  7545        6212         5554  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4397         4372  FPT-AS-AP FPT Telecom Company, VN
  7155        4175         4092  VIASAT-SP-BACKBONE, US
 11492        4673         4084  CABLEONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3922         3896  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     /14:1225    /15:2167    /16:13974   /17:8308    /18:13737   
/19:24605   /20:43822   /21:51839   /22:111953  /23:101237  /24:602925  
/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        6715        7775  UNI2-AS, ES
  8151        6006       11807  UNINET, MX
 11492        3527        4673  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2719        3601  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2341       12928  AMAZON-02, US
 30036        2220        2562  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2184        3523  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      2:1529      3:585       4:10        5:4570      6:162    
   7:6         8:1586      9:1        11:172      12:1375     13:346    
  14:2515     15:349      16:279      17:363      18:923      20:461    
  21:4        22:188      23:7342     24:3018     25:2        27:2742   
  29:19       31:3191     32:35       34:79       35:206      36:2406   
  37:4618     38:8895     39:897      40:153      41:4224     42:1998   
  43:2530     44:357      45:18288    46:5032     47:287      49:1985   
  50:1884     51:589      52:1559     54:302      55:1071     56:9      
  57:245      58:2213     59:1198     60:1166     61:2781     62:2918   
  63:1823     64:5500     65:2114     66:4643     67:3019     68:1155   
  69:3959     70:1163     71:617      72:2875     74:2780     75:1651   
  76:612      77:2682     78:1880     79:1733     80:2185     81:2012   
  82:2764     83:1395     84:1816     85:3358     86:1031     87:2168   
  88:1313     89:4324     90:781      91:8317     92:2795     93:2895   
  94:3902     95:4271     96:1411     97:319      98:995      99:738    
 100:71      101:1131    102:3637    103:32161   104:4799    105:757    
 106:1000    107:2609    108:1207    109:4108    110:2223    111:3315   
 112:2018    113:1791    114:1939    115:2159    116:2041    117:2761   
 118:2881    119:1958    120:1879    121:1360    122:2740    123:2177   
 124:1565    125:2853    126:86      128:1581    129:962     130:1284   
 131:1863    132:778     133:451     134:1526    135:328     136:1275   
 137:1291    138:2889    139:1612    140:1551    141:1472    142:1825   
 143:1634    144:1038    145:479     146:2153    147:2078    148:2596   
 149:2851    150:1232    151:1945    152:2116    153:571     154:7748   
 155:1625    156:3263    157:1910    158:1270    159:2435    160:3553   
 161:1933    162:3678    163:1897    164:1697    165:2196    166:1393   
 167:1880    168:4066    169:793     170:5086    171:1003    172:4452   
 173:3225    174:921     175:1266    176:3655    177:4745    178:3779   
 179:2285    180:2575    181:4022    182:3373    183:2069    184:2311   
 185:21503   186:5101    187:4356    188:4206    189:4231    190:9647   
 191:1509    192:11190   193:9403    194:7742    195:5542    196:3268   
 197:3654    198:6197    199:8374    200:8161    201:6338    202:10404  
 203:10613   204:4529    205:3632    206:4607    207:3564    208:4179   
 209:5195    210:4564    211:2526    212:4510    213:3760    214:1066   
 215:42      216:6594    217:3114    218:1331    219:372     220:2102   
 221:1056    222:717     223:2317   

End of report


More information about the ren-bgp-stats-all mailing list