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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Apr 16 21:13:56 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Wed 16 Apr, 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:                              979212
    Prefixes after maximum aggregation (per Origin AS):          375956
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      477434
    Number of IPv4 prefixes with a valid ROA:                    540558
    Number of IPv4 prefixes with an invalid ROA:                    122
    Number of IPv4 prefixes with no ROA:                         438532
Total ASes present in the Internet Routing Table:                 76766
    Prefixes per ASN:                                             12.76
Origin-only ASes present in the Internet Routing Table:           65807
Origin ASes announcing only one prefix:                           26894
Transit ASes present in the Internet Routing Table:               10959
Transit-only ASes present in the Internet Routing Table:            539
Paths with bogon ASNs present in the IPv4 Routing Table:             20
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:              1042
    Number of instances of unregistered ASNs:                      1045
Number of 32-bit ASNs allocated by the RIRs:                      46209
Number of 32-bit ASNs visible in the Routing Table:               38119
Prefixes from 32-bit ASNs in the Routing Table:                  200771
Number of bogon 32-bit ASNs visible in the Routing Table:            24
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            433
Number of addresses announced to Internet:                   3106938624
    Equivalent to 185 /8s, 48 /16s and 31 /24s
    Percentage of available address space announced:               83.9
    Percentage of allocated address space announced:               83.9
    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:      321181

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

Prefixes being announced by APNIC Region ASes:                   256112
    Total APNIC prefixes after maximum aggregation:               76504
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247752
    Unique aggregates announced from the APNIC address blocks:   102864
APNIC Region origin ASes present in the Internet Routing Table:   14587
    APNIC Prefixes per ASN:                                       16.98
APNIC Region origin ASes announcing only one prefix:               4450
APNIC Region transit ASes present in the Internet Routing Table:   1956
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:  10097
Number of APNIC addresses announced to Internet:              748361472
    Equivalent to 44 /8s, 155 /16s and 23 /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:                    289825
    Total ARIN prefixes after maximum aggregation:               129307
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           290851
    Unique aggregates announced from the ARIN address blocks:    137701
ARIN Region origin ASes present in the Internet Routing Table:    19251
    ARIN Prefixes per ASN:                                        15.11
ARIN Region origin ASes announcing only one prefix:                7048
ARIN Region transit ASes present in the Internet Routing Table:    1986
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:    5193
Number of ARIN addresses announced to Internet:              1349632512
    Equivalent to 80 /8s, 113 /16s and 194 /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:                    273651
    Total RIPE prefixes after maximum aggregation:               133497
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271640
    Unique aggregates announced from the RIPE address blocks:    173838
RIPE Region origin ASes present in the Internet Routing Table:    28883
    RIPE Prefixes per ASN:                                         9.40
RIPE Region origin ASes announcing only one prefix:               12029
RIPE Region transit ASes present in the Internet Routing Table:    3968
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:   12378
Number of RIPE addresses announced to Internet:               731864832
    Equivalent to 43 /8s, 159 /16s and 95 /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:                  123323
    Total LACNIC prefixes after maximum aggregation:              29271
    LACNIC Deaggregation factor:                                   4.21
Prefixes being announced from the LACNIC address blocks:         119923
    Unique aggregates announced from the LACNIC address blocks:   48859
LACNIC Region origin ASes present in the Internet Routing Table:  11224
    LACNIC Prefixes per ASN:                                      10.68
LACNIC Region origin ASes announcing only one prefix:              2671
LACNIC Region transit ASes present in the Internet Routing Table:  2471
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        33
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9175
Number of LACNIC addresses announced to Internet:             171648768
    Equivalent to 10 /8s, 59 /16s and 39 /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:                  35259
    Total AfriNIC prefixes after maximum aggregation:              6754
    AfriNIC Deaggregation factor:                                  5.22
Prefixes being announced from the AfriNIC address blocks:         48612
    Unique aggregates announced from the AfriNIC address blocks:  13801
AfriNIC Region origin ASes present in the Internet Routing Table:  1913
    AfriNIC Prefixes per ASN:                                     25.41
AfriNIC Region origin ASes announcing only one prefix:              696
AfriNIC Region transit ASes present in the Internet Routing Table:  379
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: 1276
Number of AfriNIC addresses announced to Internet:            105216512
    Equivalent to 6 /8s, 69 /16s and 122 /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       10350       8753      89  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     654  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4274        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4221        530     275  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3923       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3669       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3259       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2856        850     537  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2174      11524     636  KIXS-AS-KR Korea Telecom, KR
 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       13198      39693    4104  AMAZON-02, US
 11492        4694        311     587  CABLEONE, US
  7155        3829        286      85  VIASAT-SP-BACKBONE, US
 22773        3628       3054     223  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3621       1320      81  SHAW, CA
   174        3533       8762     945  COGENT-174, US
   749        3254      54879    2505  DNIC-AS-00749, US
 16625        3122       1312    2259  AKAMAI-AS, US
396982        2955       3651     468  GOOGLE-CLOUD-PLATFORM, US
 36352        2656        219     813  AS-COLOCROSSING, 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       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4038       3395     129  AKAMAI-ASN1, NL
  9009        3772        326    1959  M247, RO
 12389        3073       2303     887  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2365        360     583  TELLCOM-AS, TR
212238        2094        148    1540  CDNEXT, GB
  8452        1640       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1481         98     745  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       11956       3243     594  UNINET, MX
 10620        3522        486     992  Telmex Colombia S.A., CO
 13999        2512        539     364  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1358       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1333        784     206  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1192        371      21  Telefonica del Peru S.A.A., PE
 11664        1183        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1052         70     379  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1043        374     163  Axtel, S.A.B. de C.V., MX

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        1733        607      31  RAYA-AS, EG
 29571        1581        102      22  ORANGE-COTE-IVOIRE, CI
 24863        1562        389      16  LINKdotNET-AS, EG
 36992        1432       1518     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1027        521      42  Vodafone-, EG
 20011         981        185     285  INTERNET-SOLUTIONS, ZA
 37069         932       1099      15  MOBINIL, EG
  6713         562       1861      35  IAM-AS, MA
 36914         553         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       13198      39693    4104  AMAZON-02, US
  8151       11956       3243     594  UNINET, MX
  9808       10350       8753      89  CHINAMOBILE-CN China Mobile Communication
 12479        7698       1714     145  UNI2-AS, ES
  7545        6211        843     654  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4694        311     587  CABLEONE, US
 18403        4274        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4221        530     275  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4038       3395     129  AKAMAI-ASN1, NL

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       11956        11362  UNINET, MX
  9808       10350        10261  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7698         7553  UNI2-AS, ES
  7545        6211         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4274         4249  FPT-AS-AP FPT Telecom Company, VN
 11492        4694         4107  CABLEONE, US
  9498        4221         3946  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4038         3909  AKAMAI-ASN1, NL
  7552        3923         3897  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
     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
23.140.216.0/24      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
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.155.208.0/24      Origin:    396169  AS-GHCIL-01, US
23.155.208.0/24     Transit:     35985  ONERINGNET-ATL-1, 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      /10:41      /11:93      /12:301     
/13:584     /14:1225    /15:2164    /16:13934   /17:8303    /18:13750   
/19:24601   /20:43706   /21:51802   /22:112117  /23:101631  /24:604927  
/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        6619        7698  UNI2-AS, ES
  8151        6162       11956  UNINET, MX
 11492        3531        4694  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        2787        3829  VIASAT-SP-BACKBONE, US
 22773        2746        3628  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2355       13198  AMAZON-02, US
 30036        2227        2566  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2188        3522  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)
----------------------------------------------

   1:2336      2:1541      3:616       4:10        5:4637      6:163    
   7:6         8:1553      9:1        11:172      12:1370     13:352    
  14:2512     15:352      16:283      17:368      18:922      20:510    
  21:4        22:188      23:7458     24:2843     25:2        27:2772   
  29:19       31:3230     32:36       34:80       35:206      36:2396   
  37:4659     38:8885     39:903      40:160      41:4222     42:1914   
  43:2564     44:376      45:18498    46:4987     47:289      49:1917   
  50:1896     51:590      52:1552     54:299      55:1091     56:11     
  57:255      58:2207     59:1216     60:1171     61:2778     62:2909   
  63:1829     64:5514     65:2127     66:4643     67:3067     68:1161   
  69:3981     70:1109     71:622      72:2842     74:2799     75:1604   
  76:613      77:2742     78:1894     79:1751     80:2198     81:2046   
  82:3162     83:1429     84:1855     85:3406     86:1043     87:2152   
  88:1314     89:4301     90:781      91:8324     92:2787     93:2897   
  94:4060     95:4357     96:1442     97:313      98:1025     99:642    
 100:72      101:1146    102:3759    103:32226   104:4773    105:752    
 106:984     107:2637    108:1201    109:4093    110:2226    111:3353   
 112:2042    113:1795    114:1962    115:2202    116:2034    117:2748   
 118:2899    119:1955    120:1876    121:1371    122:2752    123:2175   
 124:1564    125:2857    126:91      128:1586    129:956     130:1279   
 131:1914    132:788     133:451     134:1528    135:331     136:1249   
 137:1297    138:2876    139:1612    140:1579    141:1487    142:1907   
 143:1638    144:1063    145:516     146:2156    147:2108    148:2660   
 149:2923    150:1240    151:1748    152:2102    153:570     154:8015   
 155:1612    156:3201    157:1901    158:1286    159:2442    160:3571   
 161:1907    162:3750    163:2069    164:1696    165:2207    166:1446   
 167:1885    168:4057    169:791     170:4893    171:1004    172:4489   
 173:3231    174:912     175:1300    176:3697    177:4651    178:3762   
 179:2281    180:2589    181:4060    182:3368    183:2049    184:2154   
 185:21560   186:5071    187:4409    188:4199    189:4174    190:9609   
 191:1471    192:11234   193:9446    194:7764    195:5538    196:3265   
 197:3651    198:6179    199:8432    200:8190    201:6277    202:10400  
 203:10613   204:4545    205:3676    206:4642    207:3562    208:4210   
 209:5185    210:4577    211:2530    212:4527    213:3772    214:1034   
 215:48      216:6629    217:3114    218:1334    219:375     220:2083   
 221:1060    222:716     223:2322   

End of report


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