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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Apr 12 21:14:05 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Sat 12 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:                              978893
    Prefixes after maximum aggregation (per Origin AS):          375620
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      477095
    Number of IPv4 prefixes with a valid ROA:                    540095
    Number of IPv4 prefixes with an invalid ROA:                    130
    Number of IPv4 prefixes with no ROA:                         438668
Total ASes present in the Internet Routing Table:                 76745
    Prefixes per ASN:                                             12.76
Origin-only ASes present in the Internet Routing Table:           65783
Origin ASes announcing only one prefix:                           26895
Transit ASes present in the Internet Routing Table:               10962
Transit-only ASes present in the Internet Routing Table:            543
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:                                      55
    Max AS path prepend of ASN (135823)                              50
Prefixes from unregistered ASNs in the Routing Table:              1079
    Number of instances of unregistered ASNs:                      1084
Number of 32-bit ASNs allocated by the RIRs:                      46178
Number of 32-bit ASNs visible in the Routing Table:               38083
Prefixes from 32-bit ASNs in the Routing Table:                  200643
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:            459
Number of addresses announced to Internet:                   3106724608
    Equivalent to 185 /8s, 44 /16s and 219 /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:      321099

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

Prefixes being announced by APNIC Region ASes:                   255907
    Total APNIC prefixes after maximum aggregation:               76489
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247562
    Unique aggregates announced from the APNIC address blocks:   102730
APNIC Region origin ASes present in the Internet Routing Table:   14561
    APNIC Prefixes per ASN:                                       17.00
APNIC Region origin ASes announcing only one prefix:               4440
APNIC Region transit ASes present in the Internet Routing Table:   1957
Average APNIC Region AS path length visible:                        4.1
    Max APNIC Region AS path length visible:                         55
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10071
Number of APNIC addresses announced to Internet:              748345088
    Equivalent to 44 /8s, 154 /16s and 215 /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:                    289604
    Total ARIN prefixes after maximum aggregation:               129078
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           290621
    Unique aggregates announced from the ARIN address blocks:    137616
ARIN Region origin ASes present in the Internet Routing Table:    19245
    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:    1986
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          34
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5186
Number of ARIN addresses announced to Internet:              1349504256
    Equivalent to 80 /8s, 111 /16s and 205 /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:                    273592
    Total RIPE prefixes after maximum aggregation:               133379
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271516
    Unique aggregates announced from the RIPE address blocks:    173680
RIPE Region origin ASes present in the Internet Routing Table:    28882
    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:                          29
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12376
Number of RIPE addresses announced to Internet:               731728128
    Equivalent to 43 /8s, 157 /16s and 73 /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:                  123383
    Total LACNIC prefixes after maximum aggregation:              29275
    LACNIC Deaggregation factor:                                   4.21
Prefixes being announced from the LACNIC address blocks:         120035
    Unique aggregates announced from the LACNIC address blocks:   48878
LACNIC Region origin ASes present in the Internet Routing Table:  11224
    LACNIC Prefixes per ASN:                                      10.69
LACNIC Region origin ASes announcing only one prefix:              2678
LACNIC Region transit ASes present in the Internet Routing Table:  2472
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9172
Number of LACNIC addresses announced to Internet:             171737856
    Equivalent to 10 /8s, 60 /16s and 131 /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:                  35328
    Total AfriNIC prefixes after maximum aggregation:              6755
    AfriNIC Deaggregation factor:                                  5.23
Prefixes being announced from the AfriNIC address blocks:         48699
    Unique aggregates announced from the AfriNIC address blocks:  13798
AfriNIC Region origin ASes present in the Internet Routing Table:  1915
    AfriNIC Prefixes per ASN:                                     25.43
AfriNIC Region origin ASes announcing only one prefix:              698
AfriNIC Region transit ASes present in the Internet Routing Table:  378
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       40
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1278
Number of AfriNIC addresses announced to Internet:            105173504
    Equivalent to 6 /8s, 68 /16s and 210 /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       10308       8753      89  CHINAMOBILE-CN China Mobile Communication
  7545        6214        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4261        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4220        530     274  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3672       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3259       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2854        849     538  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2170       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4766        2163      11521     628  KIXS-AS-KR Korea Telecom, KR

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       13164      39691    4088  AMAZON-02, US
 11492        4693        311     586  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        3490       8766     960  COGENT-174, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3115       1311    2257  AKAMAI-AS, US
396982        2950       3649     467  GOOGLE-CLOUD-PLATFORM, US
 36352        2648        218     806  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        7707       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4033       3395     129  AKAMAI-ASN1, NL
  9009        3760        325    1954  M247, RO
 12389        3067       2303     887  ROSTELECOM-AS, RU
 34984        2363        360     581  TELLCOM-AS, TR
212238        2089        148    1539  CDNEXT, GB
  8452        1637       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1481         98     745  CLOUVIDER Clouvider - Global ASN, GB

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

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11937       3245     584  UNINET, MX
 10620        3522        486     992  Telmex Colombia S.A., CO
 13999        2503        538     369  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1357       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1330        784     205  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1193        371      22  Telefonica del Peru S.A.A., PE
 11664        1182        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1052         70     379  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1043        374     163  Axtel, S.A.B. de C.V., MX

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

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1702        599      30  RAYA-AS, EG
 24863        1643        389      16  LINKdotNET-AS, EG
 29571        1580        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1430       1518     287  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1028        523      45  Vodafone-, EG
 20011         981        185     285  INTERNET-SOLUTIONS, ZA
 37069         932       1099      15  MOBINIL, EG
  6713         562       1861      35  IAM-AS, MA
 36914         550         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       13164      39691    4088  AMAZON-02, US
  8151       11937       3245     584  UNINET, MX
  9808       10308       8753      89  CHINAMOBILE-CN China Mobile Communication
 12479        7707       1714     145  UNI2-AS, ES
  7545        6214        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4693        311     586  CABLEONE, US
 18403        4261        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4220        530     274  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4033       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       11937        11353  UNINET, MX
  9808       10308        10219  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7707         7562  UNI2-AS, ES
  7545        6214         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4261         4236  FPT-AS-AP FPT Telecom Company, VN
 11492        4693         4107  CABLEONE, US
  9498        4220         3946  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4033         3904  AKAMAI-ASN1, NL
  7552        3921         3895  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
23.137.116.0/24      Origin:     63129  AIRRABBIT-NETWORK, US
23.137.116.0/24     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

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

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:16      /10:41      /11:93      /12:301     
/13:584     /14:1225    /15:2164    /16:13934   /17:8295    /18:13758   
/19:24625   /20:43748   /21:51782   /22:112143  /23:101543  /24:604624  
/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        6629        7707  UNI2-AS, ES
  8151        6142       11937  UNINET, MX
 11492        3531        4693  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        2334       13164  AMAZON-02, US
 30036        2228        2570  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)
----------------------------------------------

   1:2329      2:1544      3:614       4:10        5:4633      6:163    
   7:6         8:1546      9:1        11:172      12:1370     13:351    
  14:2509     15:351      16:279      17:366      18:923      20:481    
  21:4        22:188      23:7454     24:2839     25:2        27:2769   
  29:19       31:3236     32:37       34:80       35:206      36:2398   
  37:4667     38:8838     39:897      40:160      41:4208     42:1910   
  43:2568     44:372      45:18476    46:4961     47:287      49:1921   
  50:1899     51:590      52:1553     54:298      55:877      56:11     
  57:251      58:2206     59:1217     60:1171     61:2781     62:2908   
  63:1832     64:5508     65:2118     66:4653     67:3068     68:1159   
  69:3979     70:1122     71:622      72:2842     74:2800     75:1606   
  76:613      77:2739     78:1890     79:1741     80:2195     81:2034   
  82:3130     83:1424     84:1851     85:3405     86:1040     87:2156   
  88:1317     89:4327     90:776      91:8329     92:2787     93:2893   
  94:4074     95:4334     96:1442     97:313      98:1022     99:643    
 100:71      101:1145    102:3749    103:32204   104:4766    105:757    
 106:989     107:2636    108:1201    109:4093    110:2228    111:3349   
 112:2042    113:1800    114:1963    115:2211    116:2036    117:2748   
 118:2896    119:1954    120:1872    121:1370    122:2752    123:2177   
 124:1566    125:2856    126:90      128:1590    129:963     130:1275   
 131:1900    132:786     133:451     134:1524    135:332     136:1284   
 137:1288    138:2887    139:1611    140:1576    141:1484    142:1905   
 143:1633    144:1061    145:517     146:2164    147:2108    148:2650   
 149:2913    150:1241    151:1744    152:2104    153:570     154:7988   
 155:1638    156:3207    157:1896    158:1276    159:2442    160:3569   
 161:1907    162:3735    163:2038    164:1688    165:2206    166:1455   
 167:1876    168:4066    169:794     170:5088    171:1006    172:4476   
 173:3233    174:916     175:1290    176:3679    177:4671    178:3786   
 179:2296    180:2595    181:4055    182:3370    183:2047    184:2155   
 185:21530   186:5070    187:4409    188:4190    189:4163    190:9625   
 191:1464    192:11227   193:9429    194:7781    195:5539    196:3291   
 197:3688    198:6164    199:8448    200:8190    201:6273    202:10395  
 203:10607   204:4552    205:3678    206:4637    207:3562    208:4208   
 209:5186    210:4564    211:2530    212:4540    213:3770    214:1032   
 215:48      216:6616    217:3107    218:1333    219:375     220:2084   
 221:1069    222:717     223:2316   

End of report


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