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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Mar 5 21:13:54 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Wed 05 Mar, 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:                              976633
    Prefixes after maximum aggregation (per Origin AS):          373552
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      476117
    Number of IPv4 prefixes with a valid ROA:                    535755
    Number of IPv4 prefixes with an invalid ROA:                    149
    Number of IPv4 prefixes with no ROA:                         440729
Total ASes present in the Internet Routing Table:                 76609
    Prefixes per ASN:                                             12.75
Origin-only ASes present in the Internet Routing Table:           65663
Origin ASes announcing only one prefix:                           26896
Transit ASes present in the Internet Routing Table:               10946
Transit-only ASes present in the Internet Routing Table:            545
Paths with bogon ASNs present in the IPv4 Routing Table:             22
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:               974
    Number of instances of unregistered ASNs:                       980
Number of 32-bit ASNs allocated by the RIRs:                      46211
Number of 32-bit ASNs visible in the Routing Table:               37889
Prefixes from 32-bit ASNs in the Routing Table:                  199286
Number of bogon 32-bit ASNs visible in the Routing Table:            34
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            467
Number of addresses announced to Internet:                   3111053824
    Equivalent to 185 /8s, 110 /16s and 234 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      319981

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

Prefixes being announced by APNIC Region ASes:                   255453
    Total APNIC prefixes after maximum aggregation:               75993
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          247336
    Unique aggregates announced from the APNIC address blocks:   102501
APNIC Region origin ASes present in the Internet Routing Table:   14513
    APNIC Prefixes per ASN:                                       17.04
APNIC Region origin ASes announcing only one prefix:               4438
APNIC Region transit ASes present in the Internet Routing Table:   1945
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         35
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10018
Number of APNIC addresses announced to Internet:              749468928
    Equivalent to 44 /8s, 171 /16s and 253 /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:                    288952
    Total ARIN prefixes after maximum aggregation:               128439
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289838
    Unique aggregates announced from the ARIN address blocks:    136416
ARIN Region origin ASes present in the Internet Routing Table:    19229
    ARIN Prefixes per ASN:                                        15.07
ARIN Region origin ASes announcing only one prefix:                7028
ARIN Region transit ASes present in the Internet Routing Table:    1991
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:    5167
Number of ARIN addresses announced to Internet:              1350111744
    Equivalent to 80 /8s, 121 /16s and 18 /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:                    272697
    Total RIPE prefixes after maximum aggregation:               132499
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           270577
    Unique aggregates announced from the RIPE address blocks:    172708
RIPE Region origin ASes present in the Internet Routing Table:    28837
    RIPE Prefixes per ASN:                                         9.38
RIPE Region origin ASes announcing only one prefix:               12057
RIPE Region transit ASes present in the Internet Routing Table:    3975
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          35
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12281
Number of RIPE addresses announced to Internet:               732842496
    Equivalent to 43 /8s, 174 /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:                  123521
    Total LACNIC prefixes after maximum aggregation:              29174
    LACNIC Deaggregation factor:                                   4.23
Prefixes being announced from the LACNIC address blocks:         120415
    Unique aggregates announced from the LACNIC address blocks:   48897
LACNIC Region origin ASes present in the Internet Routing Table:  11209
    LACNIC Prefixes per ASN:                                      10.74
LACNIC Region origin ASes announcing only one prefix:              2674
LACNIC Region transit ASes present in the Internet Routing Table:  2478
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        34
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9152
Number of LACNIC addresses announced to Internet:             173778432
    Equivalent to 10 /8s, 91 /16s and 166 /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:                  35036
    Total AfriNIC prefixes after maximum aggregation:              6836
    AfriNIC Deaggregation factor:                                  5.13
Prefixes being announced from the AfriNIC address blocks:         47999
    Unique aggregates announced from the AfriNIC address blocks:  15191
AfriNIC Region origin ASes present in the Internet Routing Table:  1911
    AfriNIC Prefixes per ASN:                                     25.12
AfriNIC Region origin ASes announcing only one prefix:              699
AfriNIC Region transit ASes present in the Internet Routing Table:  377
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: 1271
Number of AfriNIC addresses announced to Internet:            104618240
    Equivalent to 6 /8s, 60 /16s and 89 /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       10326       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6214        843     659  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4392        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3671       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3263       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2842        854     533  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2150        434     193  TATACOMM-AS TATA Communications formerly 

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       12997      39646    3948  AMAZON-02, US
 11492        4705        312     566  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3621       1320      81  SHAW, CA
 22773        3595       3054     221  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3421       8767     958  COGENT-174, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3085       1315    2228  AKAMAI-AS, US
396982        2936       3660     454  GOOGLE-CLOUD-PLATFORM, US
 30036        2564        357     404  MEDIACOM-ENTERPRISE-BUSINESS, 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        7770       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4026       3395     129  AKAMAI-ASN1, NL
  9009        3759        322    1927  M247, RO
 12389        2985       2304     895  ROSTELECOM-AS, RU
 34984        2367        361     580  TELLCOM-AS, TR
212238        2028        146    1499  CDNEXT, GB
  8452        1619       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1488         98     747  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       11792       3235     592  UNINET, MX
 10620        3548        492     954  Telmex Colombia S.A., CO
 13999        2506        539     374  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1351       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1330        781     212  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1169        371      22  Telefonica del Peru S.A.A., PE
 11664        1167        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1117        374     163  Axtel, S.A.B. de C.V., MX
 22884        1046         82     370  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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        1683        599      30  RAYA-AS, EG
 24863        1618        389      16  LINKdotNET-AS, EG
 29571        1577         99     102  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1022        523      45  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         867       1083      15  MOBINIL, EG
  6713         558       1861      35  IAM-AS, MA
 36914         550         82       3  KENET-AS, KE

Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12997      39646    3948  AMAZON-02, US
  8151       11792       3235     592  UNINET, MX
  9808       10326       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7770       1714     145  UNI2-AS, ES
  7545        6214        843     659  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4705        312     566  CABLEONE, US
 18403        4392        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4175        286      83  VIASAT-SP-BACKBONE, US

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       11792        11200  UNINET, MX
  9808       10326        10238  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7770         7625  UNI2-AS, ES
  7545        6214         5555  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4392         4367  FPT-AS-AP FPT Telecom Company, VN
 11492        4705         4139  CABLEONE, US
  7155        4175         4092  VIASAT-SP-BACKBONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4026         3897  AKAMAI-ASN1, NL

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
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, 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

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      /10:42      /11:92      /12:304     
/13:586     /14:1224    /15:2169    /16:13966   /17:8315    /18:13734   
/19:24596   /20:43889   /21:51868   /22:112177  /23:101187  /24:602451  
/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        6712        7770  UNI2-AS, ES
  8151        5992       11792  UNINET, MX
 11492        3555        4705  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2713        3595  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2344       12997  AMAZON-02, US
 30036        2223        2564  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2188        3548  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)
----------------------------------------------

   1:2327      2:1531      3:584       4:10        5:4561      6:167    
   7:6         8:1545      9:1        11:172      12:1374     13:350    
  14:2511     15:350      16:277      17:363      18:925      20:455    
  21:4        22:188      23:7340     24:2723     25:2        27:2746   
  29:19       31:3182     32:35       34:78       35:205      36:2409   
  37:4607     38:8729     39:898      40:154      41:4211     42:1992   
  43:2530     44:354      45:18325    46:5009     47:289      49:1975   
  50:1886     51:589      52:1566     54:301      55:1071     56:9      
  57:243      58:2214     59:1198     60:1166     61:2781     62:2911   
  63:1828     64:5522     65:2119     66:4648     67:3038     68:1155   
  69:3967     70:1156     71:615      72:2877     74:2785     75:1650   
  76:612      77:2677     78:1880     79:1722     80:2189     81:2017   
  82:2725     83:1395     84:1813     85:3357     86:1029     87:2164   
  88:1318     89:4317     90:780      91:8321     92:2798     93:2892   
  94:3910     95:4281     96:1407     97:318      98:1000     99:740    
 100:71      101:1141    102:3676    103:32237   104:4809    105:758    
 106:997     107:2609    108:1208    109:4104    110:2223    111:3318   
 112:2042    113:1791    114:1937    115:2160    116:2039    117:2760   
 118:2883    119:1957    120:1879    121:1360    122:2759    123:2183   
 124:1566    125:2867    126:88      128:1589    129:960     130:1286   
 131:1861    132:789     133:450     134:1531    135:327     136:1306   
 137:1292    138:2897    139:1633    140:1552    141:1467    142:1829   
 143:1629    144:1035    145:469     146:2152    147:2079    148:2594   
 149:2877    150:1235    151:1962    152:2110    153:571     154:7784   
 155:1616    156:3267    157:1912    158:1271    159:2427    160:3570   
 161:1927    162:3693    163:1874    164:1697    165:2186    166:1383   
 167:1879    168:4058    169:795     170:5087    171:1005    172:4457   
 173:3230    174:921     175:1269    176:3656    177:4753    178:3776   
 179:2226    180:2581    181:4011    182:3373    183:2064    184:2313   
 185:21488   186:5094    187:4305    188:4208    189:4199    190:9638   
 191:1535    192:11178   193:9401    194:7739    195:5524    196:3248   
 197:3610    198:6194    199:8374    200:8150    201:6292    202:10358  
 203:10618   204:4561    205:3666    206:4616    207:3577    208:4194   
 209:5230    210:4563    211:2526    212:4506    213:3745    214:1060   
 215:42      216:6570    217:3112    218:1333    219:371     220:2104   
 221:1055    222:718     223:2314   

End of report


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