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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Apr 17 21:13:56 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Thu 17 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:                              979525
    Prefixes after maximum aggregation (per Origin AS):          376041
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      478141
    Number of IPv4 prefixes with a valid ROA:                    540583
    Number of IPv4 prefixes with an invalid ROA:                    123
    Number of IPv4 prefixes with no ROA:                         438818
Total ASes present in the Internet Routing Table:                 76773
    Prefixes per ASN:                                             12.76
Origin-only ASes present in the Internet Routing Table:           65802
Origin ASes announcing only one prefix:                           26881
Transit ASes present in the Internet Routing Table:               10971
Transit-only ASes present in the Internet Routing Table:            538
Paths with bogon ASNs present in the IPv4 Routing Table:             21
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      72
    Max AS path prepend of ASN (152107)                              65
Prefixes from unregistered ASNs in the Routing Table:              1045
    Number of instances of unregistered ASNs:                      1048
Number of 32-bit ASNs allocated by the RIRs:                      46228
Number of 32-bit ASNs visible in the Routing Table:               38128
Prefixes from 32-bit ASNs in the Routing Table:                  200967
Number of bogon 32-bit ASNs visible in the Routing Table:            26
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            439
Number of addresses announced to Internet:                   3106691072
    Equivalent to 185 /8s, 44 /16s and 88 /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:      321092

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

Prefixes being announced by APNIC Region ASes:                   256146
    Total APNIC prefixes after maximum aggregation:               76538
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247770
    Unique aggregates announced from the APNIC address blocks:   102884
APNIC Region origin ASes present in the Internet Routing Table:   14589
    APNIC Prefixes per ASN:                                       16.98
APNIC Region origin ASes announcing only one prefix:               4437
APNIC Region transit ASes present in the Internet Routing Table:   1961
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         72
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10097
Number of APNIC addresses announced to Internet:              748321792
    Equivalent to 44 /8s, 154 /16s and 124 /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:                    289699
    Total ARIN prefixes after maximum aggregation:               129326
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           290784
    Unique aggregates announced from the ARIN address blocks:    137871
ARIN Region origin ASes present in the Internet Routing Table:    19251
    ARIN Prefixes per ASN:                                        15.10
ARIN Region origin ASes announcing only one prefix:                7044
ARIN Region transit ASes present in the Internet Routing Table:    1984
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:    5195
Number of ARIN addresses announced to Internet:              1349405952
    Equivalent to 80 /8s, 110 /16s and 77 /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:                    273725
    Total RIPE prefixes after maximum aggregation:               133502
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271659
    Unique aggregates announced from the RIPE address blocks:    173836
RIPE Region origin ASes present in the Internet Routing Table:    28878
    RIPE Prefixes per ASN:                                         9.41
RIPE Region origin ASes announcing only one prefix:               12026
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:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12381
Number of RIPE addresses announced to Internet:               731886080
    Equivalent to 43 /8s, 159 /16s and 178 /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:                  123535
    Total LACNIC prefixes after maximum aggregation:              29286
    LACNIC Deaggregation factor:                                   4.22
Prefixes being announced from the LACNIC address blocks:         120129
    Unique aggregates announced from the LACNIC address blocks:   48890
LACNIC Region origin ASes present in the Internet Routing Table:  11230
    LACNIC Prefixes per ASN:                                      10.70
LACNIC Region origin ASes announcing only one prefix:              2678
LACNIC Region transit ASes present in the Internet Routing Table:  2476
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:             171763456
    Equivalent to 10 /8s, 60 /16s and 231 /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:                  35375
    Total AfriNIC prefixes after maximum aggregation:              6764
    AfriNIC Deaggregation factor:                                  5.23
Prefixes being announced from the AfriNIC address blocks:         48743
    Unique aggregates announced from the AfriNIC address blocks:  14283
AfriNIC Region origin ASes present in the Internet Routing Table:  1916
    AfriNIC Prefixes per ASN:                                     25.44
AfriNIC Region origin ASes announcing only one prefix:              696
AfriNIC Region transit ASes present in the Internet Routing Table:  381
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: 1280
Number of AfriNIC addresses announced to Internet:            105097728
    Equivalent to 6 /8s, 67 /16s and 170 /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       10349       8753      89  CHINAMOBILE-CN China Mobile Communication
  7545        6214        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4268        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        3670       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        2176      11524     637  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       13190      39692    4117  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        3531       8762     940  COGENT-174, US
   749        3254      54879    2505  DNIC-AS-00749, US
 16625        3123       1312    2260  AKAMAI-AS, US
396982        2956       3650     467  GOOGLE-CLOUD-PLATFORM, US
 36352        2666        219     819  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        7704       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4040       3395     129  AKAMAI-ASN1, NL
  9009        3773        326    1960  M247, RO
 12389        3068       2302     885  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2363        360     585  TELLCOM-AS, TR
212238        2096        148    1541  CDNEXT, GB
  8452        1641       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1480         98     744  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     591  UNINET, MX
 10620        3522        486     992  Telmex Colombia S.A., CO
 13999        2511        539     364  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1356       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1333        784     206  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1190        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        1040        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
 24863        1647        389      16  LINKdotNET-AS, EG
 29571        1583        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1433       1518     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1020        521      42  Vodafone-, EG
 20011         981        185     285  INTERNET-SOLUTIONS, ZA
 37069         932       1099      15  MOBINIL, EG
  6713         560       1861      35  IAM-AS, MA
 36914         551         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       13190      39692    4117  AMAZON-02, US
  8151       11956       3243     591  UNINET, MX
  9808       10349       8753      89  CHINAMOBILE-CN China Mobile Communication
 12479        7704       1714     145  UNI2-AS, ES
  7545        6214        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4694        311     587  CABLEONE, US
 18403        4268        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4221        530     275  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4040       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        11365  UNINET, MX
  9808       10349        10260  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7704         7559  UNI2-AS, ES
  7545        6214         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4268         4243  FPT-AS-AP FPT Telecom Company, VN
 11492        4694         4107  CABLEONE, US
  9498        4221         3946  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4040         3911  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      /12:300     
/13:584     /14:1225    /15:2161    /16:13925   /17:8304    /18:13758   
/19:24617   /20:43751   /21:51787   /22:112100  /23:101679  /24:605167  
/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        6625        7704  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        2351       13190  AMAZON-02, US
 30036        2231        2573  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      2:1537      3:616       4:10        5:4632      6:163    
   7:6         8:1558      9:1        11:172      12:1371     13:353    
  14:2514     15:352      16:283      17:367      18:922      20:511    
  21:4        22:188      23:7469     24:2800     25:2        27:2773   
  29:19       31:3233     32:36       34:80       35:206      36:2397   
  37:4671     38:8898     39:905      40:166      41:4230     42:1916   
  43:2566     44:376      45:18530    46:5004     47:290      49:1917   
  50:1893     51:590      52:1554     54:299      55:1089     56:11     
  57:256      58:2212     59:1216     60:1171     61:2778     62:2910   
  63:1823     64:5499     65:2135     66:4641     67:3068     68:1149   
  69:3921     70:1117     71:622      72:2844     74:2792     75:1601   
  76:613      77:2745     78:1894     79:1747     80:2196     81:2039   
  82:3169     83:1429     84:1857     85:3414     86:1048     87:2154   
  88:1310     89:4307     90:782      91:8322     92:2719     93:2897   
  94:4062     95:4360     96:1433     97:313      98:1025     99:642    
 100:72      101:1147    102:3759    103:32249   104:4784    105:756    
 106:985     107:2637    108:1200    109:4097    110:2229    111:3355   
 112:2047    113:1790    114:1962    115:2206    116:2034    117:2749   
 118:2904    119:1956    120:1874    121:1371    122:2752    123:2175   
 124:1564    125:2859    126:91      128:1586    129:957     130:1276   
 131:1924    132:787     133:451     134:1533    135:331     136:1305   
 137:1299    138:2883    139:1610    140:1577    141:1477    142:1904   
 143:1640    144:1065    145:516     146:2156    147:2113    148:2661   
 149:2921    150:1236    151:1755    152:2106    153:569     154:8020   
 155:1618    156:3206    157:1896    158:1286    159:2443    160:3570   
 161:1910    162:3751    163:2074    164:1693    165:2208    166:1446   
 167:1883    168:4060    169:791     170:4897    171:1005    172:4494   
 173:3234    174:912     175:1299    176:3696    177:4665    178:3756   
 179:2279    180:2593    181:4057    182:3368    183:2048    184:2136   
 185:21560   186:5075    187:4411    188:4197    189:4183    190:9624   
 191:1474    192:11249   193:9443    194:7770    195:5539    196:3301   
 197:3702    198:6183    199:8440    200:8197    201:6284    202:10404  
 203:10621   204:4551    205:3676    206:4635    207:3562    208:4211   
 209:5177    210:4573    211:2531    212:4523    213:3775    214:1032   
 215:48      216:6631    217:3111    218:1334    219:375     220:2083   
 221:1060    222:716     223:2322   

End of report


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