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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Apr 22 21:14:00 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Tue 22 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:                              980185
    Prefixes after maximum aggregation (per Origin AS):          376232
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      478344
    Number of IPv4 prefixes with a valid ROA:                    541083
    Number of IPv4 prefixes with an invalid ROA:                    124
    Number of IPv4 prefixes with no ROA:                         438978
Total ASes present in the Internet Routing Table:                 76806
    Prefixes per ASN:                                             12.76
Origin-only ASes present in the Internet Routing Table:           65819
Origin ASes announcing only one prefix:                           26906
Transit ASes present in the Internet Routing Table:               10987
Transit-only ASes present in the Internet Routing Table:            541
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:                                      71
    Max AS path prepend of ASN (152107)                              65
Prefixes from unregistered ASNs in the Routing Table:              1044
    Number of instances of unregistered ASNs:                      1047
Number of 32-bit ASNs allocated by the RIRs:                      46261
Number of 32-bit ASNs visible in the Routing Table:               38155
Prefixes from 32-bit ASNs in the Routing Table:                  201192
Number of bogon 32-bit ASNs visible in the Routing Table:            24
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            452
Number of addresses announced to Internet:                   3106184704
    Equivalent to 185 /8s, 36 /16s and 158 /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:      321315

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

Prefixes being announced by APNIC Region ASes:                   256108
    Total APNIC prefixes after maximum aggregation:               76559
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247763
    Unique aggregates announced from the APNIC address blocks:   102947
APNIC Region origin ASes present in the Internet Routing Table:   14605
    APNIC Prefixes per ASN:                                       16.96
APNIC Region origin ASes announcing only one prefix:               4456
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:                         71
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10113
Number of APNIC addresses announced to Internet:              748214528
    Equivalent to 44 /8s, 152 /16s and 217 /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:                    290151
    Total ARIN prefixes after maximum aggregation:               129386
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           291364
    Unique aggregates announced from the ARIN address blocks:    138063
ARIN Region origin ASes present in the Internet Routing Table:    19257
    ARIN Prefixes per ASN:                                        15.13
ARIN Region origin ASes announcing only one prefix:                7049
ARIN Region transit ASes present in the Internet Routing Table:    1992
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:    5198
Number of ARIN addresses announced to Internet:              1349099264
    Equivalent to 80 /8s, 105 /16s and 159 /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:                    273876
    Total RIPE prefixes after maximum aggregation:               133611
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271717
    Unique aggregates announced from the RIPE address blocks:    173767
RIPE Region origin ASes present in the Internet Routing Table:    28887
    RIPE Prefixes per ASN:                                         9.41
RIPE Region origin ASes announcing only one prefix:               12031
RIPE Region transit ASes present in the Internet Routing Table:    3967
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12390
Number of RIPE addresses announced to Internet:               731793920
    Equivalent to 43 /8s, 158 /16s and 74 /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:                  123671
    Total LACNIC prefixes after maximum aggregation:              29290
    LACNIC Deaggregation factor:                                   4.22
Prefixes being announced from the LACNIC address blocks:         120239
    Unique aggregates announced from the LACNIC address blocks:   48898
LACNIC Region origin ASes present in the Internet Routing Table:  11235
    LACNIC Prefixes per ASN:                                      10.70
LACNIC Region origin ASes announcing only one prefix:              2683
LACNIC Region transit ASes present in the Internet Routing Table:  2481
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:  9180
Number of LACNIC addresses announced to Internet:             171776768
    Equivalent to 10 /8s, 61 /16s and 27 /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:                  35335
    Total AfriNIC prefixes after maximum aggregation:              6761
    AfriNIC Deaggregation factor:                                  5.23
Prefixes being announced from the AfriNIC address blocks:         48649
    Unique aggregates announced from the AfriNIC address blocks:  14292
AfriNIC Region origin ASes present in the Internet Routing Table:  1911
    AfriNIC Prefixes per ASN:                                     25.46
AfriNIC Region origin ASes announcing only one prefix:              687
AfriNIC Region transit ASes present in the Internet Routing Table:  380
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: 1274
Number of AfriNIC addresses announced to Internet:            105079808
    Equivalent to 6 /8s, 67 /16s and 100 /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       10350       8753      90  CHINAMOBILE-CN China Mobile Communication
  7545        6215        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4255        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4223        530     272  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3912       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3674       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3259       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2857        851     537  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2179      11524     639  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       13247      39710    4108  AMAZON-02, US
 11492        4683        311     593  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
 22773        3628       3054     223  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3621       1320      81  SHAW, CA
   174        3528       8761     931  COGENT-174, US
   749        3254      54879    2505  DNIC-AS-00749, US
 16625        3120       1312    2257  AKAMAI-AS, US
396982        2963       3651     472  GOOGLE-CLOUD-PLATFORM, US
 36352        2730        224     834  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        7718       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4038       3395     129  AKAMAI-ASN1, NL
  9009        3769        325    1960  M247, RO
 12389        3067       2302     885  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2103        149    1544  CDNEXT, GB
  8452        1640       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1438         95     742  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       11965       3243     592  UNINET, MX
 10620        3517        485     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        1357       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1331        784     204  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1189        371      21  Telefonica del Peru S.A.A., PE
 11664        1183        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1053         70     380  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        1743        607      31  RAYA-AS, EG
 24863        1645        389      16  LINKdotNET-AS, EG
 29571        1589        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         561       1861      35  IAM-AS, MA
 36914         546         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       13247      39710    4108  AMAZON-02, US
  8151       11965       3243     592  UNINET, MX
  9808       10350       8753      90  CHINAMOBILE-CN China Mobile Communication
 12479        7718       1714     145  UNI2-AS, ES
  7545        6215        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4683        311     593  CABLEONE, US
 18403        4255        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4223        530     272  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4038       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       11965        11373  UNINET, MX
  9808       10350        10260  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7718         7573  UNI2-AS, ES
  7545        6215         5558  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4255         4230  FPT-AS-AP FPT Telecom Company, VN
 11492        4683         4090  CABLEONE, US
  9498        4223         3951  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4038         3909  AKAMAI-ASN1, NL
  7552        3912         3886  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      /12:302     
/13:583     /14:1230    /15:2161    /16:13926   /17:8295    /18:13758   
/19:24621   /20:43737   /21:51762   /22:112119  /23:101809  /24:605715  
/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        6639        7718  UNI2-AS, ES
  8151        6169       11965  UNINET, MX
 11492        3525        4683  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        2818        3859  VIASAT-SP-BACKBONE, US
 22773        2746        3628  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2362       13247  AMAZON-02, US
 30036        2237        2579  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2183        3517  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)
----------------------------------------------

   1:2335      2:1540      3:617       4:10        5:4642      6:163    
   7:6         8:1556      9:1        11:172      12:1369     13:355    
  14:2516     15:352      16:282      17:367      18:923      20:512    
  21:4        22:188      23:7493     24:2799     25:2        27:2770   
  29:19       31:3234     32:36       34:80       35:208      36:2397   
  37:4671     38:8941     39:905      40:166      41:4225     42:1903   
  43:2572     44:377      45:18523    46:5024     47:290      49:1930   
  50:1897     51:590      52:1557     54:298      55:1084     56:11     
  57:255      58:2206     59:1217     60:1170     61:2773     62:2941   
  63:1826     64:5512     65:2136     66:4647     67:3064     68:1152   
  69:3936     70:1116     71:624      72:2840     74:2795     75:1614   
  76:615      77:2741     78:1896     79:1748     80:2201     81:2050   
  82:3188     83:1434     84:1851     85:3426     86:1047     87:2150   
  88:1306     89:4294     90:784      91:8329     92:2717     93:2894   
  94:4059     95:4358     96:1448     97:313      98:1025     99:665    
 100:72      101:1146    102:3742    103:32223   104:4817    105:756    
 106:980     107:2640    108:1202    109:4080    110:2233    111:3344   
 112:2047    113:1790    114:1961    115:2216    116:2034    117:2747   
 118:2900    119:1956    120:1875    121:1371    122:2753    123:2173   
 124:1564    125:2856    126:91      128:1590    129:957     130:1295   
 131:1919    132:784     133:451     134:1532    135:331     136:1307   
 137:1304    138:2900    139:1625    140:1576    141:1493    142:1904   
 143:1642    144:1070    145:515     146:2157    147:2113    148:2658   
 149:2929    150:1243    151:1725    152:2116    153:570     154:8006   
 155:1628    156:3206    157:1898    158:1291    159:2442    160:3588   
 161:1909    162:3747    163:2083    164:1693    165:2199    166:1452   
 167:1884    168:4048    169:794     170:5055    171:1006    172:4491   
 173:3247    174:913     175:1297    176:3668    177:4677    178:3738   
 179:2282    180:2594    181:4053    182:3376    183:2042    184:2142   
 185:21566   186:5077    187:4413    188:4207    189:4187    190:9627   
 191:1476    192:11268   193:9463    194:7772    195:5529    196:3291   
 197:3699    198:6201    199:8467    200:8216    201:6279    202:10404  
 203:10631   204:4550    205:3670    206:4634    207:3566    208:4214   
 209:5173    210:4581    211:2535    212:4523    213:3775    214:1027   
 215:48      216:6627    217:3134    218:1332    219:375     220:2083   
 221:1059    222:716     223:2321   

End of report


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