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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Apr 25 21:13:57 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Fri 25 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:                              980775
    Prefixes after maximum aggregation (per Origin AS):          376607
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      479181
    Number of IPv4 prefixes with a valid ROA:                    542299
    Number of IPv4 prefixes with an invalid ROA:                    126
    Number of IPv4 prefixes with no ROA:                         438350
Total ASes present in the Internet Routing Table:                 76792
    Prefixes per ASN:                                             12.77
Origin-only ASes present in the Internet Routing Table:           65807
Origin ASes announcing only one prefix:                           26911
Transit ASes present in the Internet Routing Table:               10985
Transit-only ASes present in the Internet Routing Table:            538
Paths with bogon ASNs present in the IPv4 Routing Table:             18
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:              1059
    Number of instances of unregistered ASNs:                      1062
Number of 32-bit ASNs allocated by the RIRs:                      46264
Number of 32-bit ASNs visible in the Routing Table:               38158
Prefixes from 32-bit ASNs in the Routing Table:                  201324
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:            468
Number of addresses announced to Internet:                   3106271488
    Equivalent to 185 /8s, 37 /16s and 241 /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:      321442

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

Prefixes being announced by APNIC Region ASes:                   256320
    Total APNIC prefixes after maximum aggregation:               76626
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247906
    Unique aggregates announced from the APNIC address blocks:   103058
APNIC Region origin ASes present in the Internet Routing Table:   14590
    APNIC Prefixes per ASN:                                       16.99
APNIC Region origin ASes announcing only one prefix:               4442
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:                         71
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10105
Number of APNIC addresses announced to Internet:              748375552
    Equivalent to 44 /8s, 155 /16s and 78 /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:                    290401
    Total ARIN prefixes after maximum aggregation:               129541
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           291609
    Unique aggregates announced from the ARIN address blocks:    138577
ARIN Region origin ASes present in the Internet Routing Table:    19247
    ARIN Prefixes per ASN:                                        15.15
ARIN Region origin ASes announcing only one prefix:                7047
ARIN Region transit ASes present in the Internet Routing Table:    1989
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:    5199
Number of ARIN addresses announced to Internet:              1349086208
    Equivalent to 80 /8s, 105 /16s and 108 /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:                    273953
    Total RIPE prefixes after maximum aggregation:               133754
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271761
    Unique aggregates announced from the RIPE address blocks:    173937
RIPE Region origin ASes present in the Internet Routing Table:    28903
    RIPE Prefixes per ASN:                                         9.40
RIPE Region origin ASes announcing only one prefix:               12041
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:   12407
Number of RIPE addresses announced to Internet:               731769856
    Equivalent to 43 /8s, 157 /16s and 236 /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:                  123588
    Total LACNIC prefixes after maximum aggregation:              29295
    LACNIC Deaggregation factor:                                   4.22
Prefixes being announced from the LACNIC address blocks:         120153
    Unique aggregates announced from the LACNIC address blocks:   48785
LACNIC Region origin ASes present in the Internet Routing Table:  11224
    LACNIC Prefixes per ASN:                                      10.71
LACNIC Region origin ASes announcing only one prefix:              2688
LACNIC Region transit ASes present in the Internet Routing Table:  2470
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:  9168
Number of LACNIC addresses announced to Internet:             171685120
    Equivalent to 10 /8s, 59 /16s and 181 /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:                  35454
    Total AfriNIC prefixes after maximum aggregation:              6761
    AfriNIC Deaggregation factor:                                  5.24
Prefixes being announced from the AfriNIC address blocks:         48877
    Unique aggregates announced from the AfriNIC address blocks:  14439
AfriNIC Region origin ASes present in the Internet Routing Table:  1917
    AfriNIC Prefixes per ASN:                                     25.50
AfriNIC Region origin ASes announcing only one prefix:              693
AfriNIC Region transit ASes present in the Internet Routing Table:  382
Average AfriNIC Region AS path length visible:                      5.2
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1279
Number of AfriNIC addresses announced to Internet:            105131776
    Equivalent to 6 /8s, 68 /16s and 47 /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       10368       8754      93  CHINAMOBILE-CN China Mobile Communication
  7545        6215        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4263        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4237        531     278  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3919       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3674       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3261       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2858        851     538  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       13291      39712    4109  AMAZON-02, US
 11492        4701        312     586  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
   174        3673       8756     924  COGENT-174, US
 22773        3629       3054     223  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3621       1320      81  SHAW, CA
   749        3254      54879    2505  DNIC-AS-00749, US
 16625        3119       1311    2257  AKAMAI-AS, US
396982        2966       3651     474  GOOGLE-CLOUD-PLATFORM, US
 36352        2734        225     836  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        7721       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4057       3395     127  AKAMAI-ASN1, NL
  9009        3773        325    1963  M247, RO
 12389        3069       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2115        150    1551  CDNEXT, GB
  8452        1640       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1419        366      33  BEZEQ-INTERNATIONAL-AS Bezeqint Internet 

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       11972       3243     595  UNINET, MX
 10620        3516        485     994  Telmex Colombia S.A., CO
 13999        2508        539     364  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1355       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1332        784     205  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1192        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1190        371      21  Telefonica del Peru S.A.A., PE
 22884        1054         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        1653        389      18  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         980        185     285  INTERNET-SOLUTIONS, ZA
 37069         932       1099      15  MOBINIL, EG
 36914         547         82       3  KENET-AS, KE
 15399         526         57      58  WANANCHI-, 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       13291      39712    4109  AMAZON-02, US
  8151       11972       3243     595  UNINET, MX
  9808       10368       8754      93  CHINAMOBILE-CN China Mobile Communication
 12479        7721       1714     145  UNI2-AS, ES
  7545        6215        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4701        312     586  CABLEONE, US
 18403        4263        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4237        531     278  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4057       3395     127  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       11972        11377  UNINET, MX
  9808       10368        10275  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7721         7576  UNI2-AS, ES
  7545        6215         5558  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4263         4238  FPT-AS-AP FPT Telecom Company, VN
 11492        4701         4115  CABLEONE, US
  9498        4237         3959  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4057         3930  AKAMAI-ASN1, NL
  7552        3919         3893  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     
/13:583     /14:1223    /15:2162    /16:13923   /17:8294    /18:13748   
/19:24620   /20:43768   /21:51761   /22:112073  /23:101726  /24:606427  
/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        6642        7721  UNI2-AS, ES
  8151        6177       11972  UNINET, MX
 11492        3531        4701  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        2818        3859  VIASAT-SP-BACKBONE, US
 22773        2747        3629  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2364       13291  AMAZON-02, US
 30036        2240        2582  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2182        3516  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)
----------------------------------------------

   1:2334      2:1538      3:624       4:9         5:4652      6:163    
   7:6         8:1557      9:1        11:172      12:1372     13:356    
  14:2514     15:352      16:283      17:368      18:923      20:512    
  21:4        22:188      23:7532     24:2802     25:2        27:2773   
  29:19       31:3225     32:36       34:80       35:209      36:2399   
  37:4682     38:9042     39:907      40:166      41:4236     42:1904   
  43:2581     44:378      45:18524    46:5033     47:294      49:1930   
  50:1899     51:590      52:1556     54:298      55:1092     56:11     
  57:255      58:2205     59:1217     60:1171     61:2773     62:2944   
  63:1826     64:5482     65:2136     66:4650     67:3058     68:1151   
  69:3937     70:1116     71:623      72:2846     74:2793     75:1619   
  76:614      77:2735     78:1898     79:1749     80:2198     81:2049   
  82:3190     83:1427     84:1850     85:3415     86:1049     87:2156   
  88:1312     89:4318     90:784      91:8337     92:2721     93:2898   
  94:4070     95:4365     96:1451     97:312      98:1024     99:670    
 100:72      101:1146    102:3911    103:32230   104:4822    105:755    
 106:1044    107:2645    108:1213    109:4081    110:2231    111:3340   
 112:2047    113:1795    114:1962    115:2208    116:2036    117:2747   
 118:2901    119:1957    120:1880    121:1376    122:2753    123:2181   
 124:1566    125:2858    126:91      128:1596    129:956     130:1305   
 131:1909    132:777     133:450     134:1537    135:331     136:1306   
 137:1303    138:2894    139:1621    140:1569    141:1494    142:1905   
 143:1654    144:1070    145:516     146:2153    147:2106    148:2670   
 149:2890    150:1247    151:1761    152:2101    153:571     154:8050   
 155:1635    156:3227    157:1898    158:1289    159:2443    160:3588   
 161:1919    162:3747    163:2081    164:1698    165:2201    166:1454   
 167:1874    168:4046    169:794     170:5057    171:1009    172:4502   
 173:3255    174:915     175:1302    176:3665    177:4660    178:3706   
 179:2277    180:2604    181:4052    182:3386    183:2045    184:2143   
 185:21577   186:5080    187:4413    188:4201    189:4197    190:9631   
 191:1471    192:11280   193:9454    194:7769    195:5534    196:3308   
 197:3679    198:6216    199:8477    200:8207    201:6282    202:10403  
 203:10631   204:4548    205:3675    206:4636    207:3556    208:4229   
 209:5187    210:4585    211:2535    212:4530    213:3782    214:1029   
 215:48      216:6628    217:3141    218:1333    219:375     220:2084   
 221:1059    222:725     223:2348   

End of report


More information about the ren-bgp-stats-all mailing list