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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Mar 21 21:13:51 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Fri 21 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:                              977987
    Prefixes after maximum aggregation (per Origin AS):          374188
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      475629
    Number of IPv4 prefixes with a valid ROA:                    537938
    Number of IPv4 prefixes with an invalid ROA:                    143
    Number of IPv4 prefixes with no ROA:                         439906
Total ASes present in the Internet Routing Table:                 76675
    Prefixes per ASN:                                             12.75
Origin-only ASes present in the Internet Routing Table:           65746
Origin ASes announcing only one prefix:                           26863
Transit ASes present in the Internet Routing Table:               10929
Transit-only ASes present in the Internet Routing Table:            542
Paths with bogon ASNs present in the IPv4 Routing Table:             25
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:              1023
    Number of instances of unregistered ASNs:                      1033
Number of 32-bit ASNs allocated by the RIRs:                      46125
Number of 32-bit ASNs visible in the Routing Table:               37992
Prefixes from 32-bit ASNs in the Routing Table:                  199883
Number of bogon 32-bit ASNs visible in the Routing Table:            44
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            515
Number of addresses announced to Internet:                   3108589312
    Equivalent to 185 /8s, 73 /16s and 79 /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:      320879

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

Prefixes being announced by APNIC Region ASes:                   255486
    Total APNIC prefixes after maximum aggregation:               76152
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247189
    Unique aggregates announced from the APNIC address blocks:   102504
APNIC Region origin ASes present in the Internet Routing Table:   14539
    APNIC Prefixes per ASN:                                       17.00
APNIC Region origin ASes announcing only one prefix:               4434
APNIC Region transit ASes present in the Internet Routing Table:   1950
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:  10050
Number of APNIC addresses announced to Internet:              748792064
    Equivalent to 44 /8s, 161 /16s and 169 /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:                    289858
    Total ARIN prefixes after maximum aggregation:               128604
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           290555
    Unique aggregates announced from the ARIN address blocks:    136795
ARIN Region origin ASes present in the Internet Routing Table:    19234
    ARIN Prefixes per ASN:                                        15.11
ARIN Region origin ASes announcing only one prefix:                7033
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:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5173
Number of ARIN addresses announced to Internet:              1350402048
    Equivalent to 80 /8s, 125 /16s and 128 /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:                    272976
    Total RIPE prefixes after maximum aggregation:               132803
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           271240
    Unique aggregates announced from the RIPE address blocks:    173463
RIPE Region origin ASes present in the Internet Routing Table:    28858
    RIPE Prefixes per ASN:                                         9.40
RIPE Region origin ASes announcing only one prefix:               12035
RIPE Region transit ASes present in the Internet Routing Table:    3970
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:   12325
Number of RIPE addresses announced to Internet:               732431104
    Equivalent to 43 /8s, 168 /16s and 3 /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:                  123721
    Total LACNIC prefixes after maximum aggregation:              29245
    LACNIC Deaggregation factor:                                   4.23
Prefixes being announced from the LACNIC address blocks:         120369
    Unique aggregates announced from the LACNIC address blocks:   48881
LACNIC Region origin ASes present in the Internet Routing Table:  11212
    LACNIC Prefixes per ASN:                                      10.74
LACNIC Region origin ASes announcing only one prefix:              2665
LACNIC Region transit ASes present in the Internet Routing Table:  2468
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:  9169
Number of LACNIC addresses announced to Internet:             171586304
    Equivalent to 10 /8s, 58 /16s and 51 /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:                  34923
    Total AfriNIC prefixes after maximum aggregation:              6754
    AfriNIC Deaggregation factor:                                  5.17
Prefixes being announced from the AfriNIC address blocks:         48118
    Unique aggregates announced from the AfriNIC address blocks:  13556
AfriNIC Region origin ASes present in the Internet Routing Table:  1913
    AfriNIC Prefixes per ASN:                                     25.15
AfriNIC Region origin ASes announcing only one prefix:              696
AfriNIC Region transit ASes present in the Internet Routing Table:  375
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: 1275
Number of AfriNIC addresses announced to Internet:            105127168
    Equivalent to 6 /8s, 68 /16s and 29 /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        6212        843     656  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4328        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        2149        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       12929      39638    3983  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        3577       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        2571        357     374  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        7753       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4017       3395     129  AKAMAI-ASN1, NL
  9009        3769        325    1953  M247, RO
 12389        3001       2303     890  ROSTELECOM-AS, RU
 34984        2368        360     584  TELLCOM-AS, TR
212238        2043        145    1502  CDNEXT, GB
  8452        1613       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       11835       3241     582  UNINET, MX
 10620        3523        486     970  Telmex Colombia S.A., CO
 13999        2506        539     368  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        1189        371      22  Telefonica del Peru S.A.A., PE
 11664        1165        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1067        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        1621        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         543         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       12929      39638    3983  AMAZON-02, US
  8151       11835       3241     582  UNINET, MX
  9808       10327       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7753       1714     145  UNI2-AS, ES
  7545        6212        843     656  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4675        310     585  CABLEONE, US
 18403        4328        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       11835        11253  UNINET, MX
  9808       10327        10239  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7753         7608  UNI2-AS, ES
  7545        6212         5556  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4328         4303  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    /16:13973   /17:8307    /18:13735   
/19:24632   /20:43767   /21:51717   /22:112051  /23:101356  /24:603999  
/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        6686        7753  UNI2-AS, ES
  8151        6037       11835  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        2327       12929  AMAZON-02, US
 30036        2229        2571  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)
----------------------------------------------

   1:2336      2:1530      3:598       4:10        5:4568      6:163    
   7:6         8:1553      9:1        11:172      12:1374     13:343    
  14:2508     15:351      16:279      17:362      18:920      20:463    
  21:4        22:188      23:7358     24:3020     25:2        27:2761   
  29:19       31:3209     32:37       34:79       35:208      36:2401   
  37:4705     38:8832     39:898      40:155      41:4206     42:1955   
  43:2562     44:356      45:18431    46:4988     47:288      49:1980   
  50:1889     51:590      52:1557     54:301      55:1074     56:9      
  57:253      58:2200     59:1207     60:1169     61:2777     62:2897   
  63:1837     64:5497     65:2123     66:4627     67:3014     68:1152   
  69:3967     70:1161     71:621      72:2865     74:2809     75:1658   
  76:612      77:2701     78:1877     79:1737     80:2191     81:2024   
  82:2871     83:1392     84:1820     85:3374     86:1040     87:2157   
  88:1315     89:4325     90:783      91:8319     92:2788     93:2891   
  94:4008     95:4271     96:1425     97:314      98:1019     99:737    
 100:71      101:1044    102:3661    103:32172   104:4823    105:748    
 106:998     107:2618    108:1204    109:4114    110:2213    111:3321   
 112:2036    113:1791    114:1941    115:2157    116:2038    117:2744   
 118:2873    119:1955    120:1876    121:1352    122:2744    123:2181   
 124:1564    125:2853    126:88      128:1583    129:960     130:1283   
 131:1886    132:782     133:451     134:1524    135:329     136:1276   
 137:1290    138:2892    139:1612    140:1552    141:1479    142:1821   
 143:1641    144:1044    145:482     146:2162    147:2097    148:2616   
 149:2892    150:1242    151:2037    152:2103    153:571     154:7883   
 155:1616    156:3296    157:1910    158:1253    159:2428    160:3563   
 161:1947    162:3709    163:1947    164:1691    165:2200    166:1414   
 167:1886    168:4071    169:795     170:5125    171:1004    172:4478   
 173:3230    174:919     175:1261    176:3670    177:4707    178:3819   
 179:2348    180:2581    181:4039    182:3372    183:2058    184:2312   
 185:21515   186:5150    187:4381    188:4217    189:4179    190:9622   
 191:1546    192:11184   193:9425    194:7764    195:5557    196:3251   
 197:3655    198:6184    199:8395    200:8132    201:6293    202:10391  
 203:10610   204:4548    205:3668    206:4638    207:3559    208:4194   
 209:5193    210:4565    211:2511    212:4511    213:3749    214:1052   
 215:48      216:6584    217:3098    218:1326    219:377     220:2078   
 221:1068    222:720     223:2318   

End of report


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