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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Feb 16 21:13:51 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Sun 16 Feb, 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:                              974284
    Prefixes after maximum aggregation (per Origin AS):          372521
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      474768
    Number of IPv4 prefixes with a valid ROA:                    531707
    Number of IPv4 prefixes with an invalid ROA:                    130
    Number of IPv4 prefixes with no ROA:                         442447
Total ASes present in the Internet Routing Table:                 76551
    Prefixes per ASN:                                             12.73
Origin-only ASes present in the Internet Routing Table:           65616
Origin ASes announcing only one prefix:                           26885
Transit ASes present in the Internet Routing Table:               10935
Transit-only ASes present in the Internet Routing Table:            539
Paths with bogon ASNs present in the IPv4 Routing Table:             39
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      39
    Max AS path prepend of ASN ( 37447)                              36
Prefixes from unregistered ASNs in the Routing Table:              1049
    Number of instances of unregistered ASNs:                      1068
Number of 32-bit ASNs allocated by the RIRs:                      46152
Number of 32-bit ASNs visible in the Routing Table:               37781
Prefixes from 32-bit ASNs in the Routing Table:                  198956
Number of bogon 32-bit ASNs visible in the Routing Table:            61
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            483
Number of addresses announced to Internet:                   3111568384
    Equivalent to 185 /8s, 118 /16s and 196 /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:      319097

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

Prefixes being announced by APNIC Region ASes:                   255596
    Total APNIC prefixes after maximum aggregation:               76420
    APNIC Deaggregation factor:                                    3.34
Prefixes being announced from the APNIC address blocks:          247129
    Unique aggregates announced from the APNIC address blocks:   102626
APNIC Region origin ASes present in the Internet Routing Table:   14478
    APNIC Prefixes per ASN:                                       17.07
APNIC Region origin ASes announcing only one prefix:               4432
APNIC Region transit ASes present in the Internet Routing Table:   1936
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         39
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9981
Number of APNIC addresses announced to Internet:              753255168
    Equivalent to 44 /8s, 229 /16s and 195 /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:                    286961
    Total ARIN prefixes after maximum aggregation:               127404
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           288604
    Unique aggregates announced from the ARIN address blocks:    135346
ARIN Region origin ASes present in the Internet Routing Table:    19218
    ARIN Prefixes per ASN:                                        15.02
ARIN Region origin ASes announcing only one prefix:                7035
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:    5153
Number of ARIN addresses announced to Internet:              1343271680
    Equivalent to 80 /8s, 16 /16s and 179 /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:                    272119
    Total RIPE prefixes after maximum aggregation:               132119
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           269348
    Unique aggregates announced from the RIPE address blocks:    172175
RIPE Region origin ASes present in the Internet Routing Table:    28833
    RIPE Prefixes per ASN:                                         9.34
RIPE Region origin ASes announcing only one prefix:               12043
RIPE Region transit ASes present in the Internet Routing Table:    3966
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12246
Number of RIPE addresses announced to Internet:               732531712
    Equivalent to 43 /8s, 169 /16s and 140 /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:                  123601
    Total LACNIC prefixes after maximum aggregation:              29110
    LACNIC Deaggregation factor:                                   4.25
Prefixes being announced from the LACNIC address blocks:         120907
    Unique aggregates announced from the LACNIC address blocks:   48954
LACNIC Region origin ASes present in the Internet Routing Table:  11196
    LACNIC Prefixes per ASN:                                      10.80
LACNIC Region origin ASes announcing only one prefix:              2681
LACNIC Region transit ASes present in the Internet Routing Table:  2482
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:  9134
Number of LACNIC addresses announced to Internet:             177851904
    Equivalent to 10 /8s, 153 /16s and 206 /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:                  34958
    Total AfriNIC prefixes after maximum aggregation:              6808
    AfriNIC Deaggregation factor:                                  5.13
Prefixes being announced from the AfriNIC address blocks:         47812
    Unique aggregates announced from the AfriNIC address blocks:  15259
AfriNIC Region origin ASes present in the Internet Routing Table:  1910
    AfriNIC Prefixes per ASN:                                     25.03
AfriNIC Region origin ASes announcing only one prefix:              694
AfriNIC Region transit ASes present in the Internet Routing Table:  370
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1267
Number of AfriNIC addresses announced to Internet:            104397568
    Equivalent to 6 /8s, 56 /16s and 251 /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       10335       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     664  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4221        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3917       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3669       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3249       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2833        851     535  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2163        434     190  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       12746      38949    3738  AMAZON-02, US
 11492        4702        312     561  CABLEONE, US
  7155        4170        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
 22773        3587       3054     219  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3575       8760     901  COGENT-174, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3036       1306    2202  AKAMAI-AS, US
396982        2923       3659     446  GOOGLE-CLOUD-PLATFORM, US
 30036        2598        363     257  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        7763       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4009       3395     130  AKAMAI-ASN1, NL
  9009        3734        322    1920  M247, RO
 12389        2991       2303     893  ROSTELECOM-AS, RU
 34984        2368        361     580  TELLCOM-AS, TR
212238        2008        145    1485  CDNEXT, GB
  8452        1617       1852      14  TE-AS TE-AS, EG
 13188        1607        100      26  TRIOLAN, UA
 62240        1488         98     748  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       11745       3229     592  UNINET, MX
 10620        3543        492     950  Telmex Colombia S.A., CO
 13999        2514        539     365  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1349       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1158        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1130        374     163  Axtel, S.A.B. de C.V., MX
  6147        1111        371      22  Telefonica del Peru S.A.A., PE
 22884        1076         98     372  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        1684        601      30  RAYA-AS, EG
 24863        1618        389      16  LINKdotNET-AS, EG
 29571        1548         98     101  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1002        521      42  Vodafone-, EG
 20011         978        180     282  INTERNET-SOLUTIONS, ZA
 37069         843       1083      15  MOBINIL, EG
  6713         558       1861      35  IAM-AS, MA
 15399         521         56      57  WANANCHI-, 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       12746      38949    3738  AMAZON-02, US
  8151       11745       3229     592  UNINET, MX
  9808       10335       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7763       1714     145  UNI2-AS, ES
  7545        6211        843     664  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4702        312     561  CABLEONE, US
 18403        4221        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4170        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       11745        11153  UNINET, MX
  9808       10335        10247  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7763         7618  UNI2-AS, ES
  7545        6211         5547  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4221         4196  FPT-AS-AP FPT Telecom Company, VN
 11492        4702         4141  CABLEONE, US
  7155        4170         4087  VIASAT-SP-BACKBONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3917         3892  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
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     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
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     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

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      /11:93      /12:307     
/13:586     /14:1224    /15:2164    /16:13942   /17:8291    /18:13702   
/19:24550   /20:43851   /21:51966   /22:112193  /23:100927  /24:600413  
/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        6720        7763  UNI2-AS, ES
  8151        5954       11745  UNINET, MX
 11492        3556        4702  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3622  SHAW, CA
  7155        3119        4170  VIASAT-SP-BACKBONE, US
 22773        2708        3587  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2276       12746  AMAZON-02, US
 30036        2256        2598  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2183        3543  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)
----------------------------------------------

   1:2295      2:1520      3:570       4:10        5:4520      6:165    
   7:6         8:1553      9:1        11:172      12:1383     13:347    
  14:2503     15:348      16:273      17:360      18:917      20:450    
  21:4        22:188      23:7329     24:2732     25:2        27:2740   
  29:19       31:3140     32:37       34:78       35:203      36:2409   
  37:4601     38:8560     39:895      40:153      41:4159     42:1917   
  43:2531     44:350      45:18215    46:4987     47:291      49:1970   
  50:1881     51:589      52:1570     54:300      55:1083     56:9      
  57:242      58:2223     59:1173     60:1166     61:2782     62:2942   
  63:1825     64:5500     65:2140     66:4639     67:3029     68:1138   
  69:3982     70:1164     71:615      72:2862     74:2783     75:1638   
  76:611      77:2628     78:1873     79:1717     80:2209     81:2031   
  82:2464     83:1411     84:1792     85:3342     86:1022     87:2159   
  88:1311     89:4332     90:759      91:8316     92:2809     93:2853   
  94:3911     95:4218     96:1345     97:308      98:1004     99:738    
 100:71      101:1131    102:3698    103:32251   104:4667    105:816    
 106:992     107:2614    108:1195    109:4080    110:2220    111:3364   
 112:2048    113:1776    114:1937    115:2211    116:2043    117:2751   
 118:2849    119:1956    120:1872    121:1359    122:2751    123:2177   
 124:1565    125:2869    126:94      128:1594    129:960     130:1286   
 131:1852    132:795     133:450     134:1530    135:325     136:1316   
 137:1286    138:2900    139:1597    140:1554    141:1478    142:1830   
 143:1590    144:1051    145:469     146:2133    147:2066    148:2601   
 149:2841    150:1218    151:1675    152:2115    153:571     154:7811   
 155:1597    156:3515    157:1885    158:1246    159:2423    160:3552   
 161:1895    162:3689    163:1819    164:1688    165:2178    166:1356   
 167:1874    168:4084    169:798     170:5076    171:1005    172:4289   
 173:3246    174:923     175:1268    176:3600    177:4755    178:3745   
 179:2245    180:2560    181:3993    182:3370    183:2029    184:2272   
 185:21462   186:5096    187:4293    188:4217    189:4166    190:9606   
 191:1531    192:11175   193:9349    194:7736    195:5463    196:3269   
 197:3634    198:6187    199:8323    200:8152    201:6294    202:10376  
 203:10631   204:4560    205:3684    206:4622    207:3590    208:4185   
 209:5196    210:4569    211:2529    212:4518    213:3746    214:1056   
 215:42      216:6580    217:3109    218:1334    219:373     220:2113   
 221:1055    222:717     223:2308   

End of report


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