[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 10 21:14:11 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Thu 10 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:                              978427
    Prefixes after maximum aggregation (per Origin AS):          375504
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      476985
    Number of IPv4 prefixes with a valid ROA:                    539614
    Number of IPv4 prefixes with an invalid ROA:                    124
    Number of IPv4 prefixes with no ROA:                         438689
Total ASes present in the Internet Routing Table:                 76731
    Prefixes per ASN:                                             12.75
Origin-only ASes present in the Internet Routing Table:           65759
Origin ASes announcing only one prefix:                           26894
Transit ASes present in the Internet Routing Table:               10972
Transit-only ASes present in the Internet Routing Table:            546
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:                                      62
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1082
    Number of instances of unregistered ASNs:                      1087
Number of 32-bit ASNs allocated by the RIRs:                      46164
Number of 32-bit ASNs visible in the Routing Table:               38074
Prefixes from 32-bit ASNs in the Routing Table:                  200475
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:            453
Number of addresses announced to Internet:                   3106501632
    Equivalent to 185 /8s, 41 /16s and 116 /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:      321068

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

Prefixes being announced by APNIC Region ASes:                   255747
    Total APNIC prefixes after maximum aggregation:               76453
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247487
    Unique aggregates announced from the APNIC address blocks:   102722
APNIC Region origin ASes present in the Internet Routing Table:   14564
    APNIC Prefixes per ASN:                                       16.99
APNIC Region origin ASes announcing only one prefix:               4453
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:  10072
Number of APNIC addresses announced to Internet:              748335616
    Equivalent to 44 /8s, 154 /16s and 178 /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:                    289361
    Total ARIN prefixes after maximum aggregation:               129077
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           290446
    Unique aggregates announced from the ARIN address blocks:    137545
ARIN Region origin ASes present in the Internet Routing Table:    19239
    ARIN Prefixes per ASN:                                        15.10
ARIN Region origin ASes announcing only one prefix:                7036
ARIN Region transit ASes present in the Internet Routing Table:    1977
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:    5184
Number of ARIN addresses announced to Internet:              1349710336
    Equivalent to 80 /8s, 114 /16s and 242 /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:                    273566
    Total RIPE prefixes after maximum aggregation:               133346
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271438
    Unique aggregates announced from the RIPE address blocks:    173620
RIPE Region origin ASes present in the Internet Routing Table:    28871
    RIPE Prefixes per ASN:                                         9.40
RIPE Region origin ASes announcing only one prefix:               12031
RIPE Region transit ASes present in the Internet Routing Table:    3974
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:   12371
Number of RIPE addresses announced to Internet:               731319808
    Equivalent to 43 /8s, 151 /16s and 14 /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:                  123387
    Total LACNIC prefixes after maximum aggregation:              29248
    LACNIC Deaggregation factor:                                   4.22
Prefixes being announced from the LACNIC address blocks:         120056
    Unique aggregates announced from the LACNIC address blocks:   48914
LACNIC Region origin ASes present in the Internet Routing Table:  11224
    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:  2477
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:  9173
Number of LACNIC addresses announced to Internet:             171723008
    Equivalent to 10 /8s, 60 /16s and 73 /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:                  35284
    Total AfriNIC prefixes after maximum aggregation:              6733
    AfriNIC Deaggregation factor:                                  5.24
Prefixes being announced from the AfriNIC address blocks:         48546
    Unique aggregates announced from the AfriNIC address blocks:  13792
AfriNIC Region origin ASes present in the Internet Routing Table:  1911
    AfriNIC Prefixes per ASN:                                     25.40
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:                       62
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1274
Number of AfriNIC addresses announced to Internet:            105177088
    Equivalent to 6 /8s, 68 /16s and 224 /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        6211        843     655  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4240        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        3258       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2852        849     537  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       13148      39688    4096  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        3614       8766     961  COGENT-174, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3113       1310    2256  AKAMAI-AS, US
396982        2950       3649     467  GOOGLE-CLOUD-PLATFORM, US
 36352        2631        217     802  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        7706       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        2080        147    1530  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       11948       3245     584  UNINET, MX
 10620        3536        487     974  Telmex Colombia S.A., CO
 13999        2513        539     364  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1353       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1333        784     206  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1193        371      22  Telefonica del Peru S.A.A., PE
 11664        1172        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1050         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         561       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       13148      39688    4096  AMAZON-02, US
  8151       11948       3245     584  UNINET, MX
  9808       10308       8753      89  CHINAMOBILE-CN China Mobile Communication
 12479        7706       1714     145  UNI2-AS, ES
  7545        6211        843     655  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4693        311     586  CABLEONE, US
 18403        4240        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       11948        11364  UNINET, MX
  9808       10308        10219  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7706         7561  UNI2-AS, ES
  7545        6211         5556  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4240         4215  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
23.140.216.0/24      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      /12:301     
/13:584     /14:1225    /15:2165    /16:13930   /17:8291    /18:13758   
/19:24624   /20:43723   /21:51779   /22:112116  /23:101484  /24:604280  
/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        6628        7706  UNI2-AS, ES
  8151        6149       11948  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        2326       13148  AMAZON-02, US
 30036        2228        2570  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2198        3536  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)
----------------------------------------------

   1:2331      2:1545      3:612       4:10        5:4612      6:163    
   7:6         8:1546      9:1        11:172      12:1372     13:353    
  14:2508     15:352      16:280      17:365      18:921      20:479    
  21:4        22:188      23:7402     24:2842     25:2        27:2743   
  29:19       31:3243     32:37       34:80       35:207      36:2398   
  37:4665     38:8951     39:897      40:160      41:4219     42:1901   
  43:2573     44:366      45:18476    46:4968     47:287      49:1920   
  50:1899     51:590      52:1550     54:300      55:741      56:11     
  57:250      58:2207     59:1217     60:1171     61:2781     62:2910   
  63:1834     64:5506     65:2123     66:4658     67:3063     68:1154   
  69:3981     70:1122     71:623      72:2845     74:2801     75:1606   
  76:611      77:2741     78:1893     79:1738     80:2197     81:2034   
  82:3129     83:1418     84:1839     85:3404     86:1039     87:2160   
  88:1313     89:4325     90:775      91:8331     92:2790     93:2895   
  94:4066     95:4318     96:1444     97:312      98:1023     99:643    
 100:70      101:1145    102:3745    103:32181   104:4764    105:757    
 106:989     107:2614    108:1201    109:4093    110:2231    111:3347   
 112:2041    113:1802    114:1961    115:2215    116:2036    117:2744   
 118:2899    119:1954    120:1872    121:1370    122:2750    123:2181   
 124:1566    125:2856    126:91      128:1594    129:962     130:1280   
 131:1905    132:781     133:451     134:1524    135:332     136:1306   
 137:1286    138:2887    139:1616    140:1556    141:1483    142:1844   
 143:1639    144:1062    145:516     146:2165    147:2106    148:2648   
 149:2901    150:1244    151:1742    152:2103    153:569     154:7901   
 155:1638    156:3194    157:1898    158:1267    159:2445    160:3568   
 161:1902    162:3723    163:2016    164:1698    165:2207    166:1450   
 167:1873    168:4061    169:789     170:5081    171:1006    172:4482   
 173:3233    174:918     175:1295    176:3684    177:4706    178:3788   
 179:2308    180:2597    181:4051    182:3373    183:2034    184:2156   
 185:21535   186:5083    187:4402    188:4193    189:4179    190:9619   
 191:1461    192:11220   193:9433    194:7782    195:5543    196:3291   
 197:3688    198:6192    199:8438    200:8178    201:6287    202:10393  
 203:10606   204:4555    205:3664    206:4632    207:3564    208:4206   
 209:5190    210:4564    211:2531    212:4509    213:3765    214:1052   
 215:48      216:6608    217:3106    218:1333    219:375     220:2084   
 221:1070    222:714     223:2311   

End of report


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