[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 1 21:13:56 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Sat 01 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:                              975591
    Prefixes after maximum aggregation (per Origin AS):          372968
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      475234
    Number of IPv4 prefixes with a valid ROA:                    534695
    Number of IPv4 prefixes with an invalid ROA:                    153
    Number of IPv4 prefixes with no ROA:                         440734
Total ASes present in the Internet Routing Table:                 76609
    Prefixes per ASN:                                             12.73
Origin-only ASes present in the Internet Routing Table:           65664
Origin ASes announcing only one prefix:                           26897
Transit ASes present in the Internet Routing Table:               10945
Transit-only ASes present in the Internet Routing Table:            541
Paths with bogon ASNs present in the IPv4 Routing Table:             40
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:               979
    Number of instances of unregistered ASNs:                       998
Number of 32-bit ASNs allocated by the RIRs:                      46217
Number of 32-bit ASNs visible in the Routing Table:               37883
Prefixes from 32-bit ASNs in the Routing Table:                  199114
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:            469
Number of addresses announced to Internet:                   3109426944
    Equivalent to 185 /8s, 86 /16s and 23 /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:      319741

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

Prefixes being announced by APNIC Region ASes:                   255280
    Total APNIC prefixes after maximum aggregation:               76094
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247195
    Unique aggregates announced from the APNIC address blocks:   102537
APNIC Region origin ASes present in the Internet Routing Table:   14507
    APNIC Prefixes per ASN:                                       17.04
APNIC Region origin ASes announcing only one prefix:               4433
APNIC Region transit ASes present in the Internet Routing Table:   1947
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:  10017
Number of APNIC addresses announced to Internet:              749691648
    Equivalent to 44 /8s, 175 /16s and 99 /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:                    288166
    Total ARIN prefixes after maximum aggregation:               127911
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289436
    Unique aggregates announced from the ARIN address blocks:    136017
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:                7038
ARIN Region transit ASes present in the Internet Routing Table:    1992
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:    5171
Number of ARIN addresses announced to Internet:              1348331776
    Equivalent to 80 /8s, 93 /16s and 233 /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:                    272655
    Total RIPE prefixes after maximum aggregation:               132409
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           270214
    Unique aggregates announced from the RIPE address blocks:    172316
RIPE Region origin ASes present in the Internet Routing Table:    28846
    RIPE Prefixes per ASN:                                         9.37
RIPE Region origin ASes announcing only one prefix:               12065
RIPE Region transit ASes present in the Internet Routing Table:    3976
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          35
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12280
Number of RIPE addresses announced to Internet:               732734208
    Equivalent to 43 /8s, 172 /16s and 163 /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:                  123517
    Total LACNIC prefixes after maximum aggregation:              29150
    LACNIC Deaggregation factor:                                   4.24
Prefixes being announced from the LACNIC address blocks:         120450
    Unique aggregates announced from the LACNIC address blocks:   48835
LACNIC Region origin ASes present in the Internet Routing Table:  11200
    LACNIC Prefixes per ASN:                                      10.75
LACNIC Region origin ASes announcing only one prefix:              2663
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:  9142
Number of LACNIC addresses announced to Internet:             173778944
    Equivalent to 10 /8s, 91 /16s and 168 /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:                  34994
    Total AfriNIC prefixes after maximum aggregation:              6786
    AfriNIC Deaggregation factor:                                  5.16
Prefixes being announced from the AfriNIC address blocks:         47826
    Unique aggregates announced from the AfriNIC address blocks:  15121
AfriNIC Region origin ASes present in the Internet Routing Table:  1912
    AfriNIC Prefixes per ASN:                                     25.01
AfriNIC Region origin ASes announcing only one prefix:              698
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: 1273
Number of AfriNIC addresses announced to Internet:            104645888
    Equivalent to 6 /8s, 60 /16s and 197 /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        4322        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        2842        855     531  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2149        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       12822      39187    3778  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        3305       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        2592        362     323  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        4027       3395     130  AKAMAI-ASN1, NL
  9009        3758        322    1926  M247, RO
 12389        2984       2303     894  ROSTELECOM-AS, RU
 34984        2367        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       11783       3235     588  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,
  6147        1172        371      22  Telefonica del Peru S.A.A., PE
 11664        1167        278      33  Techtel LMDS Comunicaciones Interactivas 
  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        1619        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         847       1083      15  MOBINIL, EG
  6713         556       1861      35  IAM-AS, MA
 36914         554         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       12822      39187    3778  AMAZON-02, US
  8151       11783       3235     588  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        4322        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       11783        11195  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        4322         4297  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        4027         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    /15:2168    /16:13962   /17:8291    /18:13722   
/19:24576   /20:43866   /21:51903   /22:112261  /23:101089  /24:601471  
/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        5987       11783  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        2284       12822  AMAZON-02, US
 30036        2250        2592  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      2:1530      3:575       4:10        5:4559      6:167    
   7:6         8:1549      9:1        11:172      12:1379     13:351    
  14:2508     15:350      16:277      17:358      18:920      20:454    
  21:4        22:188      23:7345     24:2726     25:2        27:2744   
  29:19       31:3177     32:35       34:78       35:205      36:2407   
  37:4612     38:8687     39:897      40:153      41:4189     42:1965   
  43:2535     44:347      45:18356    46:5017     47:291      49:1974   
  50:1886     51:589      52:1570     54:302      55:917      56:9      
  57:243      58:2214     59:1197     60:1167     61:2780     62:2884   
  63:1830     64:5506     65:2119     66:4644     67:3044     68:1154   
  69:3963     70:1156     71:616      72:2883     74:2780     75:1650   
  76:611      77:2670     78:1874     79:1722     80:2197     81:2017   
  82:2714     83:1386     84:1808     85:3363     86:1031     87:2163   
  88:1317     89:4313     90:777      91:8312     92:2805     93:2887   
  94:3905     95:4265     96:1344     97:318      98:997      99:740    
 100:71      101:1138    102:3650    103:32237   104:4805    105:760    
 106:997     107:2617    108:1205    109:4097    110:2224    111:3305   
 112:2038    113:1786    114:1938    115:2162    116:2037    117:2763   
 118:2878    119:1956    120:1878    121:1359    122:2759    123:2181   
 124:1566    125:2868    126:90      128:1583    129:959     130:1282   
 131:1859    132:796     133:449     134:1532    135:327     136:1305   
 137:1290    138:2910    139:1625    140:1554    141:1473    142:1824   
 143:1618    144:1046    145:469     146:2141    147:2071    148:2591   
 149:2868    150:1235    151:1707    152:2110    153:571     154:7654   
 155:1600    156:3254    157:1904    158:1264    159:2437    160:3556   
 161:1933    162:3695    163:1859    164:1694    165:2186    166:1360   
 167:1879    168:4068    169:798     170:5083    171:1005    172:4445   
 173:3236    174:922     175:1270    176:3623    177:4720    178:3762   
 179:2255    180:2577    181:4021    182:3374    183:2067    184:2315   
 185:21487   186:5094    187:4301    188:4198    189:4190    190:9651   
 191:1533    192:11186   193:9402    194:7746    195:5527    196:3294   
 197:3622    198:6195    199:8372    200:8153    201:6282    202:10371  
 203:10601   204:4563    205:3658    206:4625    207:3583    208:4198   
 209:5207    210:4563    211:2523    212:4505    213:3750    214:1056   
 215:42      216:6549    217:3117    218:1336    219:371     220:2098   
 221:1054    222:718     223:2320   

End of report


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