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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Mar 2 21:13:47 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Sun 02 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:                              974431
    Prefixes after maximum aggregation (per Origin AS):          372957
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      474974
    Number of IPv4 prefixes with a valid ROA:                    533520
    Number of IPv4 prefixes with an invalid ROA:                    153
    Number of IPv4 prefixes with no ROA:                         440758
Total ASes present in the Internet Routing Table:                 76580
    Prefixes per ASN:                                             12.72
Origin-only ASes present in the Internet Routing Table:           65651
Origin ASes announcing only one prefix:                           26904
Transit ASes present in the Internet Routing Table:               10929
Transit-only ASes present in the Internet Routing Table:            539
Paths with bogon ASNs present in the IPv4 Routing Table:             32
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:               975
    Number of instances of unregistered ASNs:                       994
Number of 32-bit ASNs allocated by the RIRs:                      46224
Number of 32-bit ASNs visible in the Routing Table:               37863
Prefixes from 32-bit ASNs in the Routing Table:                  198539
Number of bogon 32-bit ASNs visible in the Routing Table:            54
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            474
Number of addresses announced to Internet:                   3108738816
    Equivalent to 185 /8s, 75 /16s and 151 /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:      319032

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

Prefixes being announced by APNIC Region ASes:                   255333
    Total APNIC prefixes after maximum aggregation:               76045
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          247192
    Unique aggregates announced from the APNIC address blocks:   102507
APNIC Region origin ASes present in the Internet Routing Table:   14505
    APNIC Prefixes per ASN:                                       17.04
APNIC Region origin ASes announcing only one prefix:               4435
APNIC Region transit ASes present in the Internet Routing Table:   1943
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:  10013
Number of APNIC addresses announced to Internet:              749704960
    Equivalent to 44 /8s, 175 /16s and 151 /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:                    288174
    Total ARIN prefixes after maximum aggregation:               127935
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289423
    Unique aggregates announced from the ARIN address blocks:    135983
ARIN Region origin ASes present in the Internet Routing Table:    19236
    ARIN Prefixes per ASN:                                        15.05
ARIN Region origin ASes announcing only one prefix:                7039
ARIN Region transit ASes present in the Internet Routing Table:    1993
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:    5170
Number of ARIN addresses announced to Internet:              1348307968
    Equivalent to 80 /8s, 93 /16s and 140 /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:                    271694
    Total RIPE prefixes after maximum aggregation:               132424
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           269271
    Unique aggregates announced from the RIPE address blocks:    172121
RIPE Region origin ASes present in the Internet Routing Table:    28824
    RIPE Prefixes per ASN:                                         9.34
RIPE Region origin ASes announcing only one prefix:               12066
RIPE Region transit ASes present in the Internet Routing Table:    3967
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12266
Number of RIPE addresses announced to Internet:               732118528
    Equivalent to 43 /8s, 163 /16s and 62 /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:                  123321
    Total LACNIC prefixes after maximum aggregation:              29153
    LACNIC Deaggregation factor:                                   4.23
Prefixes being announced from the LACNIC address blocks:         120251
    Unique aggregates announced from the LACNIC address blocks:   48828
LACNIC Region origin ASes present in the Internet Routing Table:  11201
    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:  2476
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:  9143
Number of LACNIC addresses announced to Internet:             173762560
    Equivalent to 10 /8s, 91 /16s and 104 /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:                  34934
    Total AfriNIC prefixes after maximum aggregation:              6786
    AfriNIC Deaggregation factor:                                  5.15
Prefixes being announced from the AfriNIC address blocks:         47819
    Unique aggregates announced from the AfriNIC address blocks:  15126
AfriNIC Region origin ASes present in the Internet Routing Table:  1909
    AfriNIC Prefixes per ASN:                                     25.05
AfriNIC Region origin ASes announcing only one prefix:              696
AfriNIC Region transit ASes present in the Internet Routing Table:  376
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: 1271
Number of AfriNIC addresses announced to Internet:            104599296
    Equivalent to 6 /8s, 60 /16s and 15 /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        6216        843     660  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4320        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        3672       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3259       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2843        855     530  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2150        434     192  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       12798      39183    3783  AMAZON-02, US
 11492        4704        312     566  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3621       1320      81  SHAW, CA
 22773        3592       3054     221  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3306       8762     927  COGENT-174, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3086       1315    2229  AKAMAI-AS, US
396982        2935       3660     453  GOOGLE-CLOUD-PLATFORM, US
 30036        2584        361     335  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        7759       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4026       3395     129  AKAMAI-ASN1, NL
  9009        3758        322    1926  M247, RO
 12389        2983       2303     894  ROSTELECOM-AS, RU
 34984        2366        361     580  TELLCOM-AS, TR
212238        2005        145    1480  CDNEXT, GB
  8452        1617       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1485         98     744  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       11780       3234     592  UNINET, MX
 10620        3547        492     953  Telmex Colombia S.A., CO
 13999        2513        539     370  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1350       2436     268  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1167        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1166        371      22  Telefonica del Peru S.A.A., PE
  6503        1128        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        1570         99     102  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1013        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         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       12798      39183    3783  AMAZON-02, US
  8151       11780       3234     592  UNINET, MX
  9808       10326       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7759       1714     145  UNI2-AS, ES
  7545        6216        843     660  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4704        312     566  CABLEONE, US
 18403        4320        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       11780        11188  UNINET, MX
  9808       10326        10238  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7759         7614  UNI2-AS, ES
  7545        6216         5556  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4320         4295  FPT-AS-AP FPT Telecom Company, VN
 11492        4704         4138  CABLEONE, US
  7155        4175         4092  VIASAT-SP-BACKBONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4026         3897  AKAMAI-ASN1, NL

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
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, 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

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    /16:13957   /17:8285    /18:13694   
/19:24576   /20:43730   /21:51837   /22:112091  /23:100977  /24:600835  
/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        6713        7759  UNI2-AS, ES
  8151        5983       11780  UNINET, MX
 11492        3555        4704  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2709        3592  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2280       12798  AMAZON-02, US
 30036        2242        2584  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2187        3547  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)
----------------------------------------------

   1:2296      2:1524      3:576       4:10        5:4562      6:167    
   7:6         8:1547      9:1        11:172      12:1379     13:350    
  14:2509     15:349      16:277      17:358      18:919      20:454    
  21:4        22:188      23:7343     24:2728     25:2        27:2748   
  29:19       31:3182     32:35       34:78       35:205      36:2406   
  37:4303     38:8678     39:897      40:153      41:4168     42:1962   
  43:2532     44:348      45:18326    46:5011     47:291      49:1975   
  50:1884     51:589      52:1567     54:301      55:916      56:9      
  57:243      58:2214     59:1198     60:1167     61:2780     62:2909   
  63:1829     64:5511     65:2113     66:4644     67:3043     68:1154   
  69:3963     70:1156     71:616      72:2883     74:2781     75:1650   
  76:611      77:2673     78:1864     79:1719     80:2193     81:2014   
  82:2715     83:1387     84:1806     85:3336     86:1031     87:2162   
  88:1317     89:4306     90:777      91:8300     92:2805     93:2885   
  94:3909     95:4265     96:1346     97:318      98:997      99:740    
 100:71      101:1138    102:3649    103:32234   104:4805    105:760    
 106:997     107:2617    108:1204    109:4080    110:2224    111:3304   
 112:2037    113:1786    114:1936    115:2162    116:2038    117:2763   
 118:2879    119:1956    120:1878    121:1360    122:2758    123:2177   
 124:1566    125:2868    126:90      128:1582    129:959     130:1282   
 131:1849    132:796     133:450     134:1532    135:327     136:1305   
 137:1291    138:2908    139:1628    140:1542    141:1465    142:1824   
 143:1619    144:1047    145:469     146:2141    147:2071    148:2592   
 149:2847    150:1235    151:1699    152:2110    153:571     154:7716   
 155:1600    156:3263    157:1901    158:1262    159:2439    160:3557   
 161:1931    162:3694    163:1860    164:1695    165:2186    166:1360   
 167:1879    168:4053    169:798     170:5077    171:1005    172:4445   
 173:3233    174:922     175:1270    176:3638    177:4692    178:3761   
 179:2243    180:2576    181:4020    182:3374    183:2065    184:2315   
 185:21443   186:5080    187:4291    188:4202    189:4190    190:9644   
 191:1490    192:11187   193:9407    194:7745    195:5526    196:3274   
 197:3615    198:6195    199:8366    200:8151    201:6288    202:10372  
 203:10599   204:4565    205:3666    206:4630    207:3557    208:4197   
 209:5216    210:4561    211:2523    212:4497    213:3747    214:1060   
 215:42      216:6551    217:3114    218:1335    219:371     220:2098   
 221:1060    222:718     223:2320   

End of report


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