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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Jan 22 21:14:06 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Wed 22 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:                              972554
    Prefixes after maximum aggregation (per Origin AS):          370915
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      472457
    Number of IPv4 prefixes with a valid ROA:                    524759
    Number of IPv4 prefixes with an invalid ROA:                    135
    Number of IPv4 prefixes with no ROA:                         447660
Total ASes present in the Internet Routing Table:                 76484
    Prefixes per ASN:                                             12.72
Origin-only ASes present in the Internet Routing Table:           65548
Origin ASes announcing only one prefix:                           26863
Transit ASes present in the Internet Routing Table:               10936
Transit-only ASes present in the Internet Routing Table:            525
Paths with bogon ASNs present in the IPv4 Routing Table:             25
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                     204
    Max AS path prepend of ASN (153261)                             200
Prefixes from unregistered ASNs in the Routing Table:              1066
    Number of instances of unregistered ASNs:                      1072
Number of 32-bit ASNs allocated by the RIRs:                      46044
Number of 32-bit ASNs visible in the Routing Table:               37659
Prefixes from 32-bit ASNs in the Routing Table:                  198672
Number of bogon 32-bit ASNs visible in the Routing Table:            34
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            512
Number of addresses announced to Internet:                   3116796416
    Equivalent to 185 /8s, 198 /16s and 138 /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:      318079

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

Prefixes being announced by APNIC Region ASes:                   255211
    Total APNIC prefixes after maximum aggregation:               76211
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          246791
    Unique aggregates announced from the APNIC address blocks:   102402
APNIC Region origin ASes present in the Internet Routing Table:   14442
    APNIC Prefixes per ASN:                                       17.09
APNIC Region origin ASes announcing only one prefix:               4428
APNIC Region transit ASes present in the Internet Routing Table:   1927
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                        204
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9951
Number of APNIC addresses announced to Internet:              755162368
    Equivalent to 45 /8s, 2 /16s and 221 /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:                    286727
    Total ARIN prefixes after maximum aggregation:               126978
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           288342
    Unique aggregates announced from the ARIN address blocks:    134404
ARIN Region origin ASes present in the Internet Routing Table:    19209
    ARIN Prefixes per ASN:                                        15.01
ARIN Region origin ASes announcing only one prefix:                7027
ARIN Region transit ASes present in the Internet Routing Table:    1995
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:    5121
Number of ARIN addresses announced to Internet:              1346307328
    Equivalent to 80 /8s, 63 /16s and 5 /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:                    270928
    Total RIPE prefixes after maximum aggregation:               131358
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           268021
    Unique aggregates announced from the RIPE address blocks:    171036
RIPE Region origin ASes present in the Internet Routing Table:    28826
    RIPE Prefixes per ASN:                                         9.30
RIPE Region origin ASes announcing only one prefix:               12055
RIPE Region transit ASes present in the Internet Routing Table:    3949
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:   12205
Number of RIPE addresses announced to Internet:               733203712
    Equivalent to 43 /8s, 179 /16s and 205 /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:                  124143
    Total LACNIC prefixes after maximum aggregation:              29007
    LACNIC Deaggregation factor:                                   4.28
Prefixes being announced from the LACNIC address blocks:         121569
    Unique aggregates announced from the LACNIC address blocks:   48851
LACNIC Region origin ASes present in the Internet Routing Table:  11187
    LACNIC Prefixes per ASN:                                      10.87
LACNIC Region origin ASes announcing only one prefix:              2658
LACNIC Region transit ASes present in the Internet Routing Table:  2501
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        30
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9114
Number of LACNIC addresses announced to Internet:             177426432
    Equivalent to 10 /8s, 147 /16s and 80 /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:                  34479
    Total AfriNIC prefixes after maximum aggregation:              6693
    AfriNIC Deaggregation factor:                                  5.15
Prefixes being announced from the AfriNIC address blocks:         47318
    Unique aggregates announced from the AfriNIC address blocks:  15340
AfriNIC Region origin ASes present in the Internet Routing Table:  1913
    AfriNIC Prefixes per ASN:                                     24.73
AfriNIC Region origin ASes announcing only one prefix:              695
AfriNIC Region transit ASes present in the Internet Routing Table:  372
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1268
Number of AfriNIC addresses announced to Internet:            104434176
    Equivalent to 6 /8s, 57 /16s and 138 /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       10337       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6200        842     663  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4221        347      23  FPT-AS-AP FPT Telecom Company, VN
  9498        4150        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        2821        846     546  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       12598      38855    3714  AMAZON-02, US
 11492        4696        312     551  CABLEONE, US
   174        4178       8763     897  COGENT-174, US
  7155        4176        287      86  VIASAT-SP-BACKBONE, 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        3011       1299    2194  AKAMAI-AS, US
396982        2901       3657     442  GOOGLE-CLOUD-PLATFORM, US
 30036        2584        362     259  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        7698       1711     144  UNI2-AS, ES
 39891        4814        294      63  ALJAWWALSTC-AS, SA
 20940        4020       3395     128  AKAMAI-ASN1, NL
  9009        3734        321    1900  M247, RO
 12389        2977       2300     887  ROSTELECOM-AS, RU
 34984        2370        361     580  TELLCOM-AS, TR
212238        1901        136    1401  CDNEXT, GB
  8452        1616       1852      14  TE-AS TE-AS, EG
 13188        1607        100      26  TRIOLAN, UA
 62240        1499         99     752  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       11643       3227     605  UNINET, MX
 10620        3539        492     954  Telmex Colombia S.A., CO
 13999        2512        539     364  Mega Cable, S.A. de C.V., MX
 11830        1992        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        1148        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1106        371      21  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        1682        601      30  RAYA-AS, EG
 24863        1649        389      19  LINKdotNET-AS, EG
 29571        1545         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         971        179     275  INTERNET-SOLUTIONS, ZA
 37069         867       1083      15  MOBINIL, EG
  6713         556       1861      35  IAM-AS, MA
 36914         550         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       12598      38855    3714  AMAZON-02, US
  8151       11643       3227     605  UNINET, MX
  9808       10337       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7698       1711     144  UNI2-AS, ES
  7545        6200        842     663  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4814        294      63  ALJAWWALSTC-AS, SA
 11492        4696        312     551  CABLEONE, US
 18403        4221        347      23  FPT-AS-AP FPT Telecom Company, VN
   174        4178       8763     897  COGENT-174, US
  7155        4176        287      86  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       11643        11038  UNINET, MX
  9808       10337        10249  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7698         7554  UNI2-AS, ES
  7545        6200         5537  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4814         4751  ALJAWWALSTC-AS, SA
 18403        4221         4198  FPT-AS-AP FPT Telecom Company, VN
 11492        4696         4145  CABLEONE, US
  7155        4176         4090  VIASAT-SP-BACKBONE, US
 20940        4020         3892  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      /12:310     
/13:589     /14:1228    /15:2173    /16:13955   /17:8266    /18:13696   
/19:24578   /20:43874   /21:51952   /22:112048  /23:100888  /24:598829  
/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        6659        7698  UNI2-AS, ES
  8151        5846       11643  UNINET, MX
 11492        3555        4696  CABLEONE, US
 39891        3505        4814  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        2251       12598  AMAZON-02, US
 30036        2243        2584  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)
----------------------------------------------

   1:2288      2:1567      3:549       4:9         5:4523      6:165    
   7:6         8:1545      9:1        11:172      12:1384     13:351    
  14:2492     15:337      16:270      17:361      18:904      20:450    
  21:4        22:188      23:7282     24:2733     25:2        27:2742   
  29:19       31:3102     32:37       34:70       35:187      36:2402   
  37:4518     38:9074     39:893      40:151      41:4168     42:1928   
  43:2520     44:346      45:18218    46:4971     47:293      49:1988   
  50:1870     51:586      52:1570     54:307      55:986      56:9      
  57:236      58:2206     59:1182     60:1161     61:2788     62:2935   
  63:1829     64:5492     65:2090     66:4644     67:3011     68:1199   
  69:4002     70:1153     71:613      72:2865     74:2786     75:1640   
  76:632      77:2606     78:1848     79:1725     80:2211     81:2049   
  82:1972     83:1409     84:1785     85:3272     86:992      87:2182   
  88:1276     89:4330     90:754      91:8326     92:2785     93:2882   
  94:3840     95:4165     96:1270     97:309      98:1010     99:737    
 100:71      101:1130    102:3563    103:32302   104:4620    105:753    
 106:1014    107:2621    108:1188    109:4061    110:2221    111:3351   
 112:2042    113:1771    114:1929    115:2199    116:2028    117:2749   
 118:2862    119:1942    120:1871    121:1357    122:2729    123:2166   
 124:1553    125:2848    126:61      128:1618    129:949     130:1264   
 131:1881    132:810     133:451     134:1515    135:324     136:1335   
 137:1285    138:2905    139:1579    140:1521    141:1476    142:1834   
 143:1595    144:1023    145:467     146:2134    147:2054    148:2595   
 149:2844    150:1204    151:1658    152:2092    153:571     154:7950   
 155:1549    156:3457    157:1874    158:1258    159:2426    160:3512   
 161:1790    162:3652    163:1792    164:1693    165:2168    166:1335   
 167:1864    168:4118    169:795     170:5085    171:1003    172:4055   
 173:3185    174:921     175:1270    176:3588    177:4991    178:3743   
 179:2204    180:2543    181:3935    182:3368    183:2050    184:2279   
 185:21403   186:5198    187:4410    188:4222    189:4129    190:9573   
 191:1555    192:11251   193:9364    194:7696    195:5444    196:3216   
 197:3501    198:6158    199:8278    200:8074    201:6374    202:10353  
 203:10583   204:4553    205:3667    206:4673    207:3606    208:4203   
 209:5154    210:4545    211:2515    212:4518    213:3756    214:1049   
 215:42      216:6595    217:3096    218:1335    219:373     220:2106   
 221:1056    222:718     223:2311   

End of report


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