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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Jan 20 21:14:08 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Mon 20 Jan, 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:                              971484
    Prefixes after maximum aggregation (per Origin AS):          370475
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      471962
    Number of IPv4 prefixes with a valid ROA:                    523565
    Number of IPv4 prefixes with an invalid ROA:                    135
    Number of IPv4 prefixes with no ROA:                         447784
Total ASes present in the Internet Routing Table:                 76482
    Prefixes per ASN:                                             12.70
Origin-only ASes present in the Internet Routing Table:           65541
Origin ASes announcing only one prefix:                           26854
Transit ASes present in the Internet Routing Table:               10941
Transit-only ASes present in the Internet Routing Table:            531
Paths with bogon ASNs present in the IPv4 Routing Table:             23
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:              1071
    Number of instances of unregistered ASNs:                      1077
Number of 32-bit ASNs allocated by the RIRs:                      46119
Number of 32-bit ASNs visible in the Routing Table:               37650
Prefixes from 32-bit ASNs in the Routing Table:                  198135
Number of bogon 32-bit ASNs visible in the Routing Table:            32
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            517
Number of addresses announced to Internet:                   3118266880
    Equivalent to 185 /8s, 220 /16s and 250 /24s
    Percentage of available address space announced:               84.2
    Percentage of allocated address space announced:               84.2
    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:      317641

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

Prefixes being announced by APNIC Region ASes:                   254786
    Total APNIC prefixes after maximum aggregation:               76017
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          246660
    Unique aggregates announced from the APNIC address blocks:   102299
APNIC Region origin ASes present in the Internet Routing Table:   14443
    APNIC Prefixes per ASN:                                       17.08
APNIC Region origin ASes announcing only one prefix:               4431
APNIC Region transit ASes present in the Internet Routing Table:   1918
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         39
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9948
Number of APNIC addresses announced to Internet:              756718080
    Equivalent to 45 /8s, 26 /16s and 154 /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, 131072-153913
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:                    286496
    Total ARIN prefixes after maximum aggregation:               126861
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           288334
    Unique aggregates announced from the ARIN address blocks:    134256
ARIN Region origin ASes present in the Internet Routing Table:    19208
    ARIN Prefixes per ASN:                                        15.01
ARIN Region origin ASes announcing only one prefix:                7018
ARIN Region transit ASes present in the Internet Routing Table:    1994
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          39
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5118
Number of ARIN addresses announced to Internet:              1346272000
    Equivalent to 80 /8s, 62 /16s and 123 /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:                    270867
    Total RIPE prefixes after maximum aggregation:               131257
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           267920
    Unique aggregates announced from the RIPE address blocks:    170868
RIPE Region origin ASes present in the Internet Routing Table:    28822
    RIPE Prefixes per ASN:                                         9.30
RIPE Region origin ASes announcing only one prefix:               12056
RIPE Region transit ASes present in the Internet Routing Table:    3953
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:   12204
Number of RIPE addresses announced to Internet:               733112576
    Equivalent to 43 /8s, 178 /16s and 105 /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:                  124014
    Total LACNIC prefixes after maximum aggregation:              29002
    LACNIC Deaggregation factor:                                   4.28
Prefixes being announced from the LACNIC address blocks:         121417
    Unique aggregates announced from the LACNIC address blocks:   48863
LACNIC Region origin ASes present in the Internet Routing Table:  11184
    LACNIC Prefixes per ASN:                                      10.86
LACNIC Region origin ASes announcing only one prefix:              2658
LACNIC Region transit ASes present in the Internet Routing Table:  2502
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9113
Number of LACNIC addresses announced to Internet:             177488896
    Equivalent to 10 /8s, 148 /16s and 68 /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:                  34250
    Total AfriNIC prefixes after maximum aggregation:              6665
    AfriNIC Deaggregation factor:                                  5.14
Prefixes being announced from the AfriNIC address blocks:         46635
    Unique aggregates announced from the AfriNIC address blocks:  15249
AfriNIC Region origin ASes present in the Internet Routing Table:  1910
    AfriNIC Prefixes per ASN:                                     24.42
AfriNIC Region origin ASes announcing only one prefix:              691
AfriNIC Region transit ASes present in the Internet Routing Table:  374
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1267
Number of AfriNIC addresses announced to Internet:            104411648
    Equivalent to 6 /8s, 57 /16s and 50 /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       10323       8753      87  CHINAMOBILE-CN China Mobile Communication
  7545        6200        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4239        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4143        528     278  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3674       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3246       1869      99  VNPT-AS-VN VNPT Corp, VN
 24560        2820        846     545  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4755        2208        434     191  TATACOMM-AS TATA Communications formerly 
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

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       12589      38854    3706  AMAZON-02, US
 11492        4696        312     551  CABLEONE, US
  7155        4176        287      86  VIASAT-SP-BACKBONE, US
   174        4144       8763     893  COGENT-174, US
  6327        3614       1320      81  SHAW, CA
 22773        3589       3053     219  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3261      54895    2508  DNIC-AS-00749, US
 16625        3016       1300    2195  AKAMAI-AS, US
396982        2899       3657     441  GOOGLE-CLOUD-PLATFORM, US
 30036        2585        362     262  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        7656       1709     143  UNI2-AS, ES
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 20940        4042       3395     128  AKAMAI-ASN1, NL
  9009        3735        321    1898  M247, RO
 12389        2976       2300     887  ROSTELECOM-AS, RU
 34984        2370        361     580  TELLCOM-AS, TR
212238        1898        136    1402  CDNEXT, GB
 13188        1607        100      26  TRIOLAN, UA
  8452        1595       1852      14  TE-AS TE-AS, EG
 62240        1498         99     751  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       11638       3229     599  UNINET, MX
 10620        3539        492     954  Telmex Colombia S.A., CO
 13999        2531        538     368  Mega Cable, S.A. de C.V., MX
 11830        1987        369      64  Instituto Costarricense de Electricidad y
 28573        1336       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        778     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1170        374     163  Axtel, S.A.B. de C.V., MX
 11664        1154        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1108        371      22  Telefonica del Peru S.A.A., PE
 22884        1073         98     369  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        601      30  RAYA-AS, EG
 24863        1649        389      19  LINKdotNET-AS, EG
 29571        1542         97     105  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         967        179     271  INTERNET-SOLUTIONS, ZA
 37069         832       1083      15  MOBINIL, EG
  6713         557       1861      35  IAM-AS, MA
 36914         545         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       12589      38854    3706  AMAZON-02, US
  8151       11638       3229     599  UNINET, MX
  9808       10323       8753      87  CHINAMOBILE-CN China Mobile Communication
 12479        7656       1709     143  UNI2-AS, ES
  7545        6200        842     665  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4750        290      62  ALJAWWALSTC-AS, SA
 11492        4696        312     551  CABLEONE, US
 18403        4239        347      23  FPT-AS-AP FPT Telecom Company, VN
  7155        4176        287      86  VIASAT-SP-BACKBONE, US
   174        4144       8763     893  COGENT-174, 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       11638        11039  UNINET, MX
  9808       10323        10236  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7656         7513  UNI2-AS, ES
  7545        6200         5535  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4750         4688  ALJAWWALSTC-AS, SA
 18403        4239         4216  FPT-AS-AP FPT Telecom Company, VN
 11492        4696         4145  CABLEONE, US
  7155        4176         4090  VIASAT-SP-BACKBONE, US
 20940        4042         3914  AKAMAI-ASN1, NL
  7552        3912         3887  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
23.132.192.0/24      Origin:     30500  WOLFPAWSERVICES, CA
23.132.192.0/24     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
23.140.176.0/24      Origin:     40676  AS40676, US
23.140.176.0/24     Transit:      7922  COMCAST-7922, 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      /12:311     
/13:590     /14:1228    /15:2172    /16:13967   /17:8264    /18:13712   
/19:24588   /20:43827   /21:51960   /22:112117  /23:100823  /24:597757  
/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        6618        7656  UNI2-AS, ES
  8151        5836       11638  UNINET, MX
 11492        3555        4696  CABLEONE, US
 39891        3441        4750  ALJAWWALSTC-AS, SA
  6327        3410        3614  SHAW, CA
  7155        3124        4176  VIASAT-SP-BACKBONE, US
 22773        2709        3589  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2253       12589  AMAZON-02, US
 30036        2244        2585  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2179        3539  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)
----------------------------------------------

   1:2283      2:1575      3:548       4:9         5:4510      6:165    
   7:6         8:1548      9:1        11:172      12:1387     13:352    
  14:2492     15:336      16:269      17:360      18:903      20:450    
  21:4        22:188      23:7276     24:2721     25:2        27:2740   
  29:19       31:3094     32:37       34:70       35:187      36:2401   
  37:4512     38:9063     39:894      40:152      41:4128     42:1939   
  43:2519     44:343      45:18117    46:4955     47:293      49:1986   
  50:1858     51:586      52:1570     54:307      55:1028     56:8      
  57:236      58:2208     59:1182     60:1160     61:2786     62:2937   
  63:1834     64:5420     65:2091     66:4641     67:3008     68:1199   
  69:3999     70:1153     71:612      72:2869     74:2780     75:1640   
  76:631      77:2603     78:1847     79:1719     80:2208     81:2049   
  82:1924     83:1418     84:1794     85:3272     86:992      87:2190   
  88:1274     89:4348     90:750      91:8323     92:2752     93:2874   
  94:3840     95:4167     96:1269     97:309      98:1005     99:737    
 100:71      101:1129    102:3520    103:32277   104:4599    105:753    
 106:1005    107:2625    108:1187    109:4058    110:2219    111:3303   
 112:2042    113:1779    114:1926    115:2169    116:2029    117:2745   
 118:2866    119:1940    120:1871    121:1359    122:2726    123:2167   
 124:1544    125:2845    126:61      128:1614    129:949     130:1262   
 131:1873    132:811     133:450     134:1508    135:324     136:1336   
 137:1284    138:2896    139:1580    140:1516    141:1599    142:1833   
 143:1604    144:1020    145:468     146:2134    147:2054    148:2587   
 149:2839    150:1199    151:1650    152:2091    153:571     154:7704   
 155:1541    156:3342    157:1880    158:1254    159:2434    160:3498   
 161:1790    162:3653    163:1775    164:1685    165:2150    166:1328   
 167:1863    168:4103    169:791     170:5082    171:1003    172:4039   
 173:3183    174:919     175:1270    176:3590    177:4964    178:3741   
 179:2223    180:2543    181:3947    182:3364    183:2052    184:2277   
 185:21404   186:5124    187:4369    188:4233    189:4149    190:9586   
 191:1572    192:11254   193:9363    194:7704    195:5450    196:3199   
 197:3484    198:6143    199:8273    200:8087    201:6321    202:10349  
 203:10572   204:4559    205:3693    206:4663    207:3610    208:4207   
 209:5149    210:4544    211:2513    212:4515    213:3760    214:1050   
 215:42      216:6571    217:3093    218:1335    219:373     220:2103   
 221:1053    222:719     223:2301   

End of report


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