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

REN Routing Table Report cscora at bgp.nsrc.org
Sat May 3 21:14:07 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Sat 03 May, 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:                              981415
    Prefixes after maximum aggregation (per Origin AS):          377316
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      478690
    Number of IPv4 prefixes with a valid ROA:                    543806
    Number of IPv4 prefixes with an invalid ROA:                    139
    Number of IPv4 prefixes with no ROA:                         437470
Total ASes present in the Internet Routing Table:                 76800
    Prefixes per ASN:                                             12.78
Origin-only ASes present in the Internet Routing Table:           65785
Origin ASes announcing only one prefix:                           26950
Transit ASes present in the Internet Routing Table:               11015
Transit-only ASes present in the Internet Routing Table:            547
Paths with bogon ASNs present in the IPv4 Routing Table:             18
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1045
    Number of instances of unregistered ASNs:                      1048
Number of 32-bit ASNs allocated by the RIRs:                      46319
Number of 32-bit ASNs visible in the Routing Table:               38179
Prefixes from 32-bit ASNs in the Routing Table:                  201345
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:            473
Number of addresses announced to Internet:                   3105275904
    Equivalent to 185 /8s, 22 /16s and 192 /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:      321641

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

Prefixes being announced by APNIC Region ASes:                   256990
    Total APNIC prefixes after maximum aggregation:               76920
    APNIC Deaggregation factor:                                    3.34
Prefixes being announced from the APNIC address blocks:          248099
    Unique aggregates announced from the APNIC address blocks:   103076
APNIC Region origin ASes present in the Internet Routing Table:   14596
    APNIC Prefixes per ASN:                                       17.00
APNIC Region origin ASes announcing only one prefix:               4457
APNIC Region transit ASes present in the Internet Routing Table:   1971
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         45
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10107
Number of APNIC addresses announced to Internet:              748278272
    Equivalent to 44 /8s, 153 /16s and 210 /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:                    290336
    Total ARIN prefixes after maximum aggregation:               129773
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           291551
    Unique aggregates announced from the ARIN address blocks:    138451
ARIN Region origin ASes present in the Internet Routing Table:    19243
    ARIN Prefixes per ASN:                                        15.15
ARIN Region origin ASes announcing only one prefix:                7040
ARIN Region transit ASes present in the Internet Routing Table:    1996
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          43
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5200
Number of ARIN addresses announced to Internet:              1348627456
    Equivalent to 80 /8s, 98 /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:                    273962
    Total RIPE prefixes after maximum aggregation:               133845
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271828
    Unique aggregates announced from the RIPE address blocks:    174083
RIPE Region origin ASes present in the Internet Routing Table:    28905
    RIPE Prefixes per ASN:                                         9.40
RIPE Region origin ASes announcing only one prefix:               12053
RIPE Region transit ASes present in the Internet Routing Table:    3981
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:   12416
Number of RIPE addresses announced to Internet:               731373056
    Equivalent to 43 /8s, 151 /16s and 222 /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:                  123726
    Total LACNIC prefixes after maximum aggregation:              29391
    LACNIC Deaggregation factor:                                   4.21
Prefixes being announced from the LACNIC address blocks:         120240
    Unique aggregates announced from the LACNIC address blocks:   48758
LACNIC Region origin ASes present in the Internet Routing Table:  11231
    LACNIC Prefixes per ASN:                                      10.71
LACNIC Region origin ASes announcing only one prefix:              2702
LACNIC Region transit ASes present in the Internet Routing Table:  2480
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:  9178
Number of LACNIC addresses announced to Internet:             171665408
    Equivalent to 10 /8s, 59 /16s and 104 /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:                  35356
    Total AfriNIC prefixes after maximum aggregation:              6769
    AfriNIC Deaggregation factor:                                  5.22
Prefixes being announced from the AfriNIC address blocks:         49223
    Unique aggregates announced from the AfriNIC address blocks:  13932
AfriNIC Region origin ASes present in the Internet Routing Table:  1913
    AfriNIC Prefixes per ASN:                                     25.73
AfriNIC Region origin ASes announcing only one prefix:              698
AfriNIC Region transit ASes present in the Internet Routing Table:  376
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: 1278
Number of AfriNIC addresses announced to Internet:            105107456
    Equivalent to 6 /8s, 67 /16s and 208 /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       10454       8754      93  CHINAMOBILE-CN China Mobile Communication
  7545        6216        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4323        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4238        531     277  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3919       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3675       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3265       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2859        851     535  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2189      11523     648  KIXS-AS-KR Korea Telecom, KR
 45090        2173       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       13233      39692    4347  AMAZON-02, US
 11492        4711        312     591  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
   174        3626       8755     919  COGENT-174, US
  6327        3621       1320      81  SHAW, CA
 22773        3609       3053     208  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3254      54863    2505  DNIC-AS-00749, US
 16625        3120       1312    2258  AKAMAI-AS, US
396982        2955       3657     469  GOOGLE-CLOUD-PLATFORM, US
 36352        2772        227     850  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        7726       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4061       3395     127  AKAMAI-ASN1, NL
  9009        3792        327    1975  M247, RO
 12389        3070       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2124        150    1566  CDNEXT, GB
  8452        1646       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1422        366      39  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       12040       3243     585  UNINET, MX
 10620        3486        482    1051  Telmex Colombia S.A., CO
 13999        2513        540     362  Mega Cable, S.A. de C.V., MX
 11830        1994        369      64  Instituto Costarricense de Electricidad y
 28573        1359       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1332        784     205  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1198        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1190        371      22  Telefonica del Peru S.A.A., PE
 22884        1057         70     376  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        1744        631      30  RAYA-AS, EG
 24863        1649        389      16  LINKdotNET-AS, EG
 29571        1594        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1417       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         552         82       3  KENET-AS, KE
 15399         520         56      54  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       13233      39692    4347  AMAZON-02, US
  8151       12040       3243     585  UNINET, MX
  9808       10454       8754      93  CHINAMOBILE-CN China Mobile Communication
 12479        7726       1714     148  UNI2-AS, ES
  7545        6216        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4711        312     591  CABLEONE, US
 18403        4323        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4238        531     277  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4061       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       12040        11455  UNINET, MX
  9808       10454        10361  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7726         7578  UNI2-AS, ES
  7545        6216         5559  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4323         4298  FPT-AS-AP FPT Telecom Company, VN
 11492        4711         4120  CABLEONE, US
  9498        4238         3961  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4061         3934  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     /14:1221    /15:2164    /16:13929   /17:8288    /18:13739   
/19:24610   /20:43733   /21:51755   /22:112067  /23:101738  /24:607121  
/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        6648        7726  UNI2-AS, ES
  8151        6243       12040  UNINET, MX
 11492        3531        4711  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        2818        3859  VIASAT-SP-BACKBONE, US
 22773        2740        3609  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2333       13233  AMAZON-02, US
 30036        2235        2576  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2155        3486  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      2:1525      3:668       4:9         5:4681      6:162    
   7:6         8:1554      9:1        11:172      12:1365     13:365    
  14:2514     15:352      16:282      17:368      18:916      20:515    
  21:4        22:188      23:7529     24:2807     25:2        27:2779   
  29:19       31:3241     32:36       33:1        34:80       35:206    
  36:2486     37:4659     38:9031     39:907      40:167      41:4141   
  42:1966     43:2576     44:376      45:18555    46:5051     47:293    
  49:1934     50:1892     51:590      52:1552     54:301      55:1083   
  56:11       57:257      58:2205     59:1213     60:1169     61:2771   
  62:2942     63:1823     64:5483     65:2112     66:4658     67:3070   
  68:1170     69:3932     70:1149     71:628      72:2868     74:2780   
  75:1619     76:614      77:2727     78:1897     79:1758     80:2202   
  81:2052     82:3216     83:1438     84:1853     85:3425     86:1049   
  87:2159     88:1317     89:4334     90:783      91:8345     92:2725   
  93:2901     94:4085     95:4359     96:1459     97:312      98:1024   
  99:669     100:72      101:1148    102:3897    103:32214   104:4816   
 105:751     106:1032    107:2644    108:1205    109:4076    110:2229   
 111:3334    112:2048    113:1796    114:1963    115:2207    116:2041   
 117:2747    118:2887    119:1955    120:1881    121:1374    122:2753   
 123:2179    124:1570    125:2846    126:91      128:1606    129:950    
 130:1299    131:1934    132:781     133:451     134:1543    135:331    
 136:1302    137:1297    138:2890    139:1628    140:1574    141:1494   
 142:1909    143:1677    144:1078    145:505     146:2162    147:2101   
 148:2676    149:2876    150:1253    151:1817    152:2104    153:564    
 154:8240    155:1657    156:3458    157:1900    158:1288    159:2441   
 160:3578    161:1915    162:3723    163:2116    164:1699    165:2201   
 166:1470    167:1882    168:4027    169:791     170:5068    171:1010   
 172:4429    173:3259    174:917     175:1302    176:3664    177:4665   
 178:3688    179:2276    180:2608    181:4045    182:3391    183:2058   
 184:2145    185:21549   186:5088    187:4443    188:4214    189:4217   
 190:9601    191:1472    192:11242   193:9464    194:7766    195:5507   
 196:3300    197:3662    198:6223    199:8481    200:8212    201:6321   
 202:10408   203:10640   204:4544    205:3628    206:4624    207:3556   
 208:4259    209:5205    210:4588    211:2534    212:4524    213:3703   
 214:1032    215:48      216:6719    217:3151    218:1333    219:376    
 220:2085    221:1058    222:724     223:2350   

End of report


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