[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 28 21:13:53 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Fri 28 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:                              978816
    Prefixes after maximum aggregation (per Origin AS):          374741
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      476609
    Number of IPv4 prefixes with a valid ROA:                    538567
    Number of IPv4 prefixes with an invalid ROA:                    141
    Number of IPv4 prefixes with no ROA:                         440108
Total ASes present in the Internet Routing Table:                 76693
    Prefixes per ASN:                                             12.76
Origin-only ASes present in the Internet Routing Table:           65738
Origin ASes announcing only one prefix:                           26882
Transit ASes present in the Internet Routing Table:               10955
Transit-only ASes present in the Internet Routing Table:            551
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:              1034
    Number of instances of unregistered ASNs:                      1039
Number of 32-bit ASNs allocated by the RIRs:                      46107
Number of 32-bit ASNs visible in the Routing Table:               37998
Prefixes from 32-bit ASNs in the Routing Table:                  200059
Number of bogon 32-bit ASNs visible in the Routing Table:            28
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            471
Number of addresses announced to Internet:                   3107915776
    Equivalent to 185 /8s, 63 /16s and 8 /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:      321200

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

Prefixes being announced by APNIC Region ASes:                   255625
    Total APNIC prefixes after maximum aggregation:               76303
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247342
    Unique aggregates announced from the APNIC address blocks:   102596
APNIC Region origin ASes present in the Internet Routing Table:   14531
    APNIC Prefixes per ASN:                                       17.02
APNIC Region origin ASes announcing only one prefix:               4437
APNIC Region transit ASes present in the Internet Routing Table:   1959
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:  10045
Number of APNIC addresses announced to Internet:              748602368
    Equivalent to 44 /8s, 158 /16s and 196 /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:                    290175
    Total ARIN prefixes after maximum aggregation:               128802
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           290848
    Unique aggregates announced from the ARIN address blocks:    137292
ARIN Region origin ASes present in the Internet Routing Table:    19246
    ARIN Prefixes per ASN:                                        15.11
ARIN Region origin ASes announcing only one prefix:                7042
ARIN Region transit ASes present in the Internet Routing Table:    1981
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:    5174
Number of ARIN addresses announced to Internet:              1350069760
    Equivalent to 80 /8s, 120 /16s and 110 /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:                    273255
    Total RIPE prefixes after maximum aggregation:               133049
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271552
    Unique aggregates announced from the RIPE address blocks:    173841
RIPE Region origin ASes present in the Internet Routing Table:    28865
    RIPE Prefixes per ASN:                                         9.41
RIPE Region origin ASes announcing only one prefix:               12039
RIPE Region transit ASes present in the Internet Routing Table:    3980
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:   12341
Number of RIPE addresses announced to Internet:               732246272
    Equivalent to 43 /8s, 165 /16s and 49 /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:                  123554
    Total LACNIC prefixes after maximum aggregation:              29222
    LACNIC Deaggregation factor:                                   4.23
Prefixes being announced from the LACNIC address blocks:         120207
    Unique aggregates announced from the LACNIC address blocks:   48822
LACNIC Region origin ASes present in the Internet Routing Table:  11212
    LACNIC Prefixes per ASN:                                      10.72
LACNIC Region origin ASes announcing only one prefix:              2668
LACNIC Region transit ASes present in the Internet Routing Table:  2459
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:  9164
Number of LACNIC addresses announced to Internet:             171691264
    Equivalent to 10 /8s, 59 /16s and 205 /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:                  35173
    Total AfriNIC prefixes after maximum aggregation:              6728
    AfriNIC Deaggregation factor:                                  5.23
Prefixes being announced from the AfriNIC address blocks:         48395
    Unique aggregates announced from the AfriNIC address blocks:  13653
AfriNIC Region origin ASes present in the Internet Routing Table:  1913
    AfriNIC Prefixes per ASN:                                     25.30
AfriNIC Region origin ASes announcing only one prefix:              696
AfriNIC Region transit ASes present in the Internet Routing Table:  380
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: 1274
Number of AfriNIC addresses announced to Internet:            105069312
    Equivalent to 6 /8s, 67 /16s and 59 /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       10310       8753      89  CHINAMOBILE-CN China Mobile Communication
  7545        6219        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4244        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4217        530     274  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3916       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3673       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3261       1869     101  VNPT-AS-VN VNPT Corp, VN
 24560        2845        849     535  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2170       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2153        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       12963      39645    3968  AMAZON-02, US
 11492        4676        310     586  CABLEONE, US
  7155        4173        286      83  VIASAT-SP-BACKBONE, US
  6327        3621       1320      81  SHAW, CA
   174        3613       8767     970  COGENT-174, US
 22773        3603       3054     221  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3117       1311    2246  AKAMAI-AS, US
396982        2944       3649     458  GOOGLE-CLOUD-PLATFORM, US
 36352        2581        213     795  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        7723       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4017       3395     129  AKAMAI-ASN1, NL
  9009        3773        326    1962  M247, RO
 12389        3035       2303     888  ROSTELECOM-AS, RU
 34984        2365        360     583  TELLCOM-AS, TR
212238        2071        148    1527  CDNEXT, GB
  8452        1615       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1491         98     749  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       11898       3243     582  UNINET, MX
 10620        3522        486     971  Telmex Colombia S.A., CO
 13999        2509        539     367  Mega Cable, S.A. de C.V., MX
 11830        1991        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1330        782     208  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1176        371      22  Telefonica del Peru S.A.A., PE
 11664        1163        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1051         70     378  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1049        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        1703        599      30  RAYA-AS, EG
 24863        1620        389      18  LINKdotNET-AS, EG
 29571        1567        102      23  ORANGE-COTE-IVOIRE, CI
 36992        1428       1518     287  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1006        521      42  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         903       1083      15  MOBINIL, EG
  6713         560       1861      35  IAM-AS, MA
 36914         544         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       12963      39645    3968  AMAZON-02, US
  8151       11898       3243     582  UNINET, MX
  9808       10310       8753      89  CHINAMOBILE-CN China Mobile Communication
 12479        7723       1714     145  UNI2-AS, ES
  7545        6219        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4676        310     586  CABLEONE, US
 18403        4244        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4217        530     274  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4173        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       11898        11316  UNINET, MX
  9808       10310        10221  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7723         7578  UNI2-AS, ES
  7545        6219         5561  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4244         4219  FPT-AS-AP FPT Telecom Company, VN
 11492        4676         4090  CABLEONE, US
  7155        4173         4090  VIASAT-SP-BACKBONE, US
  9498        4217         3943  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3916         3890  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
    212032  UNALLOCATED  5.59.105.0/24            35168  TNS-PLUS-CORE, KZ
     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

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
23.136.140.0/24      Origin:     11832  BANDB-ROUTING, ZZ
23.136.140.0/24     Transit:     20473  AS-VULTR, 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

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      /12:302     
/13:584     /14:1227    /15:2168    /16:13969   /17:8316    /18:13768   
/19:24649   /20:43724   /21:51781   /22:112092  /23:101317  /24:604752  
/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        6655        7723  UNI2-AS, ES
  8151        6098       11898  UNINET, MX
 11492        3529        4676  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        3120        4173  VIASAT-SP-BACKBONE, US
 22773        2720        3603  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2330       12963  AMAZON-02, US
 30036        2232        2575  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2184        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)
----------------------------------------------

   1:2329      2:1537      3:601       4:10        5:4590      6:163    
   7:6         8:1552      9:1        11:172      12:1372     13:351    
  14:2514     15:351      16:279      17:362      18:915      20:463    
  21:4        22:188      23:7373     24:3021     25:2        27:2762   
  29:19       31:3221     32:37       34:80       35:207      36:2398   
  37:4740     38:8879     39:899      40:154      41:4217     42:1918   
  43:2564     44:359      45:18481    46:4943     47:288      49:1980   
  50:1897     51:590      52:1555     54:301      55:1090     56:11     
  57:252      58:2195     59:1217     60:1171     61:2777     62:2920   
  63:1833     64:5499     65:2125     66:4612     67:3024     68:1156   
  69:3962     70:1163     71:622      72:2860     74:2802     75:1662   
  76:612      77:2710     78:1879     79:1722     80:2194     81:2020   
  82:2999     83:1414     84:1821     85:3379     86:1044     87:2157   
  88:1314     89:4329     90:778      91:8317     92:2801     93:2876   
  94:4072     95:4296     96:1424     97:313      98:1017     99:739    
 100:71      101:1143    102:3723    103:32161   104:4815    105:750    
 106:993     107:2614    108:1205    109:4046    110:2225    111:3316   
 112:2036    113:1795    114:1951    115:2151    116:2027    117:2740   
 118:2855    119:1952    120:1872    121:1365    122:2738    123:2181   
 124:1566    125:2852    126:88      128:1586    129:954     130:1284   
 131:1920    132:781     133:451     134:1528    135:329     136:1280   
 137:1294    138:2892    139:1621    140:1565    141:1489    142:1826   
 143:1658    144:1046    145:517     146:2154    147:2099    148:2627   
 149:2895    150:1246    151:2042    152:2105    153:571     154:7871   
 155:1619    156:3266    157:1911    158:1267    159:2430    160:3552   
 161:1939    162:3713    163:1967    164:1692    165:2205    166:1424   
 167:1889    168:4060    169:803     170:5090    171:1005    172:4477   
 173:3234    174:918     175:1286    176:3686    177:4725    178:3817   
 179:2318    180:2585    181:4052    182:3376    183:2030    184:2310   
 185:21519   186:5116    187:4397    188:4201    189:4195    190:9621   
 191:1523    192:11191   193:9422    194:7787    195:5551    196:3294   
 197:3676    198:6194    199:8425    200:8171    201:6299    202:10391  
 203:10597   204:4547    205:3676    206:4630    207:3558    208:4191   
 209:5236    210:4560    211:2522    212:4499    213:3761    214:1045   
 215:48      216:6586    217:3095    218:1328    219:375     220:2083   
 221:1073    222:719     223:2317   

End of report


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