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

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


IPv4 R&E Routing Table Report   21:10 GMT Mon 21 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:                              979710
    Prefixes after maximum aggregation (per Origin AS):          376136
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      478176
    Number of IPv4 prefixes with a valid ROA:                    540683
    Number of IPv4 prefixes with an invalid ROA:                    125
    Number of IPv4 prefixes with no ROA:                         438902
Total ASes present in the Internet Routing Table:                 76800
    Prefixes per ASN:                                             12.76
Origin-only ASes present in the Internet Routing Table:           65809
Origin ASes announcing only one prefix:                           26921
Transit ASes present in the Internet Routing Table:               10991
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:                                      72
    Max AS path prepend of ASN (152107)                              65
Prefixes from unregistered ASNs in the Routing Table:              1046
    Number of instances of unregistered ASNs:                      1049
Number of 32-bit ASNs allocated by the RIRs:                      46256
Number of 32-bit ASNs visible in the Routing Table:               38143
Prefixes from 32-bit ASNs in the Routing Table:                  200977
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:            455
Number of addresses announced to Internet:                   3106509824
    Equivalent to 185 /8s, 41 /16s and 148 /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:      321149

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

Prefixes being announced by APNIC Region ASes:                   256007
    Total APNIC prefixes after maximum aggregation:               76534
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247673
    Unique aggregates announced from the APNIC address blocks:   102856
APNIC Region origin ASes present in the Internet Routing Table:   14602
    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:   1964
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:  10105
Number of APNIC addresses announced to Internet:              748224000
    Equivalent to 44 /8s, 152 /16s and 254 /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:                    289964
    Total ARIN prefixes after maximum aggregation:               129385
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           291098
    Unique aggregates announced from the ARIN address blocks:    137967
ARIN Region origin ASes present in the Internet Routing Table:    19253
    ARIN Prefixes per ASN:                                        15.12
ARIN Region origin ASes announcing only one prefix:                7045
ARIN Region transit ASes present in the Internet Routing Table:    1987
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:    5191
Number of ARIN addresses announced to Internet:              1349356032
    Equivalent to 80 /8s, 109 /16s and 138 /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:                    273756
    Total RIPE prefixes after maximum aggregation:               133566
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271618
    Unique aggregates announced from the RIPE address blocks:    173805
RIPE Region origin ASes present in the Internet Routing Table:    28893
    RIPE Prefixes per ASN:                                         9.40
RIPE Region origin ASes announcing only one prefix:               12047
RIPE Region transit ASes present in the Internet Routing Table:    3973
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12392
Number of RIPE addresses announced to Internet:               731861248
    Equivalent to 43 /8s, 159 /16s and 81 /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:                  123600
    Total LACNIC prefixes after maximum aggregation:              29280
    LACNIC Deaggregation factor:                                   4.22
Prefixes being announced from the LACNIC address blocks:         120204
    Unique aggregates announced from the LACNIC address blocks:   48905
LACNIC Region origin ASes present in the Internet Routing Table:  11231
    LACNIC Prefixes per ASN:                                      10.70
LACNIC Region origin ASes announcing only one prefix:              2685
LACNIC Region transit ASes present in the Internet Routing Table:  2482
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:  9179
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:                  35337
    Total AfriNIC prefixes after maximum aggregation:              6745
    AfriNIC Deaggregation factor:                                  5.24
Prefixes being announced from the AfriNIC address blocks:         48661
    Unique aggregates announced from the AfriNIC address blocks:  14263
AfriNIC Region origin ASes present in the Internet Routing Table:  1910
    AfriNIC Prefixes per ASN:                                     25.48
AfriNIC Region origin ASes announcing only one prefix:              688
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: 1276
Number of AfriNIC addresses announced to Internet:            105070848
    Equivalent to 6 /8s, 67 /16s and 65 /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       10347       8753      89  CHINAMOBILE-CN China Mobile Communication
  7545        6214        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4260        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4223        530     272  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3923       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        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       13253      39711    4116  AMAZON-02, US
 11492        4693        311     590  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        3526       8761     931  COGENT-174, US
   749        3254      54879    2505  DNIC-AS-00749, US
 16625        3116       1307    2254  AKAMAI-AS, US
396982        2963       3651     472  GOOGLE-CLOUD-PLATFORM, US
 36352        2724        224     832  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        3769        325    1960  M247, RO
 12389        3066       2302     885  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2095        148    1540  CDNEXT, GB
  8452        1640       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1444         95     746  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       11962       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        1968        369      64  Instituto Costarricense de Electricidad y
 28573        1357       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1333        784     206  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1190        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        1743        607      31  RAYA-AS, EG
 24863        1639        389      16  LINKdotNET-AS, EG
 29571        1588        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         562       1861      35  IAM-AS, MA
 36914         542         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       13253      39711    4116  AMAZON-02, US
  8151       11962       3243     592  UNINET, MX
  9808       10347       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        4693        311     590  CABLEONE, US
 18403        4260        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4223        530     272  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       11962        11370  UNINET, MX
  9808       10347        10258  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        4260         4235  FPT-AS-AP FPT Telecom Company, VN
 11492        4693         4103  CABLEONE, US
  9498        4223         3951  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     /14:1224    /15:2161    /16:13924   /17:8297    /18:13757   
/19:24614   /20:43733   /21:51796   /22:112143  /23:101769  /24:605241  
/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        6166       11962  UNINET, MX
 11492        3530        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        2358       13253  AMAZON-02, US
 30036        2234        2576  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)
----------------------------------------------

   1:2333      2:1539      3:618       4:10        5:4632      6:162    
   7:6         8:1556      9:1        11:172      12:1371     13:354    
  14:2514     15:352      16:283      17:368      18:923      20:512    
  21:4        22:188      23:7474     24:2800     25:2        27:2769   
  29:19       31:3231     32:36       34:80       35:206      36:2396   
  37:4669     38:8906     39:905      40:166      41:4224     42:1912   
  43:2568     44:377      45:18525    46:5006     47:290      49:1918   
  50:1896     51:590      52:1558     54:300      55:1011     56:11     
  57:256      58:2206     59:1217     60:1171     61:2777     62:2930   
  63:1827     64:5508     65:2135     66:4644     67:3066     68:1150   
  69:3929     70:1117     71:624      72:2844     74:2793     75:1601   
  76:614      77:2737     78:1896     79:1745     80:2200     81:2046   
  82:3188     83:1431     84:1849     85:3419     86:1050     87:2153   
  88:1308     89:4295     90:784      91:8338     92:2715     93:2894   
  94:4072     95:4354     96:1440     97:313      98:1025     99:644    
 100:72      101:1149    102:3751    103:32221   104:4819    105:756    
 106:980     107:2642    108:1207    109:4074    110:2229    111:3326   
 112:2042    113:1792    114:1960    115:2171    116:2035    117:2743   
 118:2897    119:1958    120:1875    121:1371    122:2752    123:2172   
 124:1564    125:2856    126:91      128:1590    129:958     130:1292   
 131:1919    132:787     133:451     134:1534    135:331     136:1307   
 137:1296    138:2894    139:1618    140:1577    141:1489    142:1904   
 143:1641    144:1067    145:515     146:2155    147:2111    148:2662   
 149:2926    150:1241    151:1726    152:2103    153:569     154:8007   
 155:1619    156:3206    157:1900    158:1287    159:2442    160:3585   
 161:1911    162:3750    163:2082    164:1694    165:2199    166:1448   
 167:1880    168:4053    169:795     170:5057    171:1006    172:4491   
 173:3241    174:912     175:1298    176:3669    177:4684    178:3738   
 179:2281    180:2593    181:4057    182:3367    183:2043    184:2146   
 185:21534   186:5082    187:4408    188:4205    189:4181    190:9620   
 191:1473    192:11267   193:9442    194:7763    195:5530    196:3293   
 197:3695    198:6195    199:8462    200:8212    201:6260    202:10411  
 203:10631   204:4552    205:3664    206:4636    207:3565    208:4206   
 209:5174    210:4576    211:2534    212:4522    213:3768    214:1031   
 215:48      216:6624    217:3131    218:1335    219:375     220:2082   
 221:1059    222:716     223:2322   

End of report


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