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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Mar 23 21:13:53 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Sun 23 Mar, 2025

  IPv4 BGP Table (Global) as seen at AARNET (Brisbane).

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/AARNET/

Analysis Summary
----------------

BGP routing table entries examined:                              977864
    Prefixes after maximum aggregation (per Origin AS):          374233
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      475653
    Number of IPv4 prefixes with a valid ROA:                    537892
    Number of IPv4 prefixes with an invalid ROA:                    143
    Number of IPv4 prefixes with no ROA:                         439829
Total ASes present in the Internet Routing Table:                 76667
    Prefixes per ASN:                                             12.75
Origin-only ASes present in the Internet Routing Table:           65729
Origin ASes announcing only one prefix:                           26886
Transit ASes present in the Internet Routing Table:               10938
Transit-only ASes present in the Internet Routing Table:            545
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:              1002
    Number of instances of unregistered ASNs:                      1007
Number of 32-bit ASNs allocated by the RIRs:                      46127
Number of 32-bit ASNs visible in the Routing Table:               37979
Prefixes from 32-bit ASNs in the Routing Table:                  199826
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:            494
Number of addresses announced to Internet:                   3108497152
    Equivalent to 185 /8s, 71 /16s and 231 /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:      320749

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

Prefixes being announced by APNIC Region ASes:                   255492
    Total APNIC prefixes after maximum aggregation:               76183
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247170
    Unique aggregates announced from the APNIC address blocks:   102482
APNIC Region origin ASes present in the Internet Routing Table:   14538
    APNIC Prefixes per ASN:                                       17.00
APNIC Region origin ASes announcing only one prefix:               4439
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:                         49
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10049
Number of APNIC addresses announced to Internet:              748819456
    Equivalent to 44 /8s, 162 /16s and 20 /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:                    289865
    Total ARIN prefixes after maximum aggregation:               128605
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           290582
    Unique aggregates announced from the ARIN address blocks:    136778
ARIN Region origin ASes present in the Internet Routing Table:    19231
    ARIN Prefixes per ASN:                                        15.11
ARIN Region origin ASes announcing only one prefix:                7036
ARIN Region transit ASes present in the Internet Routing Table:    1985
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5170
Number of ARIN addresses announced to Internet:              1350310656
    Equivalent to 80 /8s, 124 /16s and 27 /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:                    272991
    Total RIPE prefixes after maximum aggregation:               132810
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           271253
    Unique aggregates announced from the RIPE address blocks:    173516
RIPE Region origin ASes present in the Internet Routing Table:    28852
    RIPE Prefixes per ASN:                                         9.40
RIPE Region origin ASes announcing only one prefix:               12028
RIPE Region transit ASes present in the Internet Routing Table:    3969
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:   12319
Number of RIPE addresses announced to Internet:               732406272
    Equivalent to 43 /8s, 167 /16s and 162 /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:                  123645
    Total LACNIC prefixes after maximum aggregation:              29261
    LACNIC Deaggregation factor:                                   4.23
Prefixes being announced from the LACNIC address blocks:         120300
    Unique aggregates announced from the LACNIC address blocks:   48898
LACNIC Region origin ASes present in the Internet Routing Table:  11218
    LACNIC Prefixes per ASN:                                      10.72
LACNIC Region origin ASes announcing only one prefix:              2682
LACNIC Region transit ASes present in the Internet Routing Table:  2467
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:  9170
Number of LACNIC addresses announced to Internet:             171599872
    Equivalent to 10 /8s, 58 /16s and 104 /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:                  34869
    Total AfriNIC prefixes after maximum aggregation:              6750
    AfriNIC Deaggregation factor:                                  5.17
Prefixes being announced from the AfriNIC address blocks:         48064
    Unique aggregates announced from the AfriNIC address blocks:  13560
AfriNIC Region origin ASes present in the Internet Routing Table:  1909
    AfriNIC Prefixes per ASN:                                     25.18
AfriNIC Region origin ASes announcing only one prefix:              701
AfriNIC Region transit ASes present in the Internet Routing Table:  376
Average AfriNIC Region AS path length visible:                      5.2
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1271
Number of AfriNIC addresses announced to Internet:            105117184
    Equivalent to 6 /8s, 67 /16s and 246 /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       10327       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6214        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4239        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3672       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3260       1869     101  VNPT-AS-VN VNPT Corp, VN
 24560        2839        847     538  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2170       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2151        434     193  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       12967      39644    3993  AMAZON-02, US
 11492        4675        310     585  CABLEONE, US
  7155        4174        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
 22773        3600       3054     221  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3579       8766     959  COGENT-174, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3097       1307    2237  AKAMAI-AS, US
396982        2941       3660     454  GOOGLE-CLOUD-PLATFORM, US
 30036        2574        357     363  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        7756       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4017       3395     129  AKAMAI-ASN1, NL
  9009        3767        325    1951  M247, RO
 12389        3001       2303     890  ROSTELECOM-AS, RU
 34984        2368        360     584  TELLCOM-AS, TR
212238        2035        145    1495  CDNEXT, GB
  8452        1615       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1489         98     747  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       11840       3238     576  UNINET, MX
 10620        3523        486     970  Telmex Colombia S.A., CO
 13999        2506        539     376  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1194        371      22  Telefonica del Peru S.A.A., PE
 11664        1166        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1070        359     174  Axtel, S.A.B. de C.V., MX
 22884        1050         70     377  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        1703        599      30  RAYA-AS, EG
 24863        1623        389      16  LINKdotNET-AS, EG
 29571        1564        102      23  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1006        521      42  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         859       1083      15  MOBINIL, EG
  6713         561       1861      35  IAM-AS, MA
 36914         536         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       12967      39644    3993  AMAZON-02, US
  8151       11840       3238     576  UNINET, MX
  9808       10327       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7756       1714     145  UNI2-AS, ES
  7545        6214        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4675        310     585  CABLEONE, US
 18403        4239        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4174        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       11840        11264  UNINET, MX
  9808       10327        10239  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7756         7611  UNI2-AS, ES
  7545        6214         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4239         4214  FPT-AS-AP FPT Telecom Company, VN
  7155        4174         4091  VIASAT-SP-BACKBONE, US
 11492        4675         4090  CABLEONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4017         3888  AKAMAI-ASN1, NL

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.140.216.0/24      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      /12:303     
/13:585     /14:1225    /15:2170    /16:13972   /17:8311    /18:13739   
/19:24644   /20:43766   /21:51745   /22:112061  /23:101336  /24:603840  
/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        6689        7756  UNI2-AS, ES
  8151        6049       11840  UNINET, MX
 11492        3528        4675  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3622  SHAW, CA
  7155        3121        4174  VIASAT-SP-BACKBONE, US
 22773        2718        3600  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2338       12967  AMAZON-02, US
 30036        2232        2574  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3523  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)
----------------------------------------------

   1:2322      2:1532      3:599       4:10        5:4577      6:163    
   7:6         8:1551      9:1        11:172      12:1372     13:350    
  14:2510     15:351      16:279      17:362      18:912      20:463    
  21:4        22:188      23:7362     24:3020     25:2        27:2761   
  29:19       31:3218     32:37       34:79       35:207      36:2401   
  37:4703     38:8827     39:899      40:154      41:4186     42:1928   
  43:2561     44:357      45:18426    46:4976     47:288      49:1980   
  50:1891     51:590      52:1556     54:301      55:1075     56:9      
  57:253      58:2198     59:1208     60:1169     61:2778     62:2902   
  63:1835     64:5496     65:2123     66:4628     67:3015     68:1152   
  69:3968     70:1161     71:621      72:2865     74:2815     75:1658   
  76:611      77:2698     78:1877     79:1739     80:2192     81:2003   
  82:2870     83:1395     84:1820     85:3377     86:1040     87:2159   
  88:1314     89:4324     90:783      91:8318     92:2789     93:2890   
  94:4014     95:4271     96:1425     97:314      98:1019     99:740    
 100:71      101:1047    102:3645    103:32167   104:4820    105:748    
 106:998     107:2618    108:1204    109:4112    110:2225    111:3322   
 112:2036    113:1783    114:1942    115:2158    116:2039    117:2744   
 118:2860    119:1954    120:1876    121:1362    122:2745    123:2184   
 124:1564    125:2851    126:88      128:1582    129:960     130:1284   
 131:1879    132:780     133:451     134:1501    135:329     136:1277   
 137:1288    138:2890    139:1614    140:1560    141:1480    142:1821   
 143:1638    144:1044    145:482     146:2160    147:2098    148:2615   
 149:2892    150:1241    151:2035    152:2103    153:571     154:7880   
 155:1616    156:3299    157:1911    158:1258    159:2431    160:3556   
 161:1953    162:3708    163:1953    164:1690    165:2201    166:1413   
 167:1888    168:4067    169:793     170:5116    171:1004    172:4476   
 173:3232    174:919     175:1263    176:3670    177:4694    178:3819   
 179:2322    180:2585    181:4038    182:3369    183:2050    184:2311   
 185:21517   186:5092    187:4399    188:4214    189:4177    190:9630   
 191:1543    192:11188   193:9431    194:7768    195:5543    196:3246   
 197:3639    198:6178    199:8397    200:8181    201:6280    202:10402  
 203:10610   204:4543    205:3673    206:4641    207:3561    208:4194   
 209:5192    210:4564    211:2520    212:4512    213:3750    214:1050   
 215:48      216:6582    217:3099    218:1327    219:377     220:2078   
 221:1069    222:720     223:2318   

End of report


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