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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Mar 9 21:13:54 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Sun 09 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:                              976426
    Prefixes after maximum aggregation (per Origin AS):          373531
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      476368
    Number of IPv4 prefixes with a valid ROA:                    536028
    Number of IPv4 prefixes with an invalid ROA:                    149
    Number of IPv4 prefixes with no ROA:                         440249
Total ASes present in the Internet Routing Table:                 76612
    Prefixes per ASN:                                             12.75
Origin-only ASes present in the Internet Routing Table:           65688
Origin ASes announcing only one prefix:                           26886
Transit ASes present in the Internet Routing Table:               10924
Transit-only ASes present in the Internet Routing Table:            545
Paths with bogon ASNs present in the IPv4 Routing Table:             24
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:               979
    Number of instances of unregistered ASNs:                       999
Number of 32-bit ASNs allocated by the RIRs:                      46183
Number of 32-bit ASNs visible in the Routing Table:               37900
Prefixes from 32-bit ASNs in the Routing Table:                  199191
Number of bogon 32-bit ASNs visible in the Routing Table:            62
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            464
Number of addresses announced to Internet:                   3110852352
    Equivalent to 185 /8s, 107 /16s and 215 /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:      320264

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

Prefixes being announced by APNIC Region ASes:                   255489
    Total APNIC prefixes after maximum aggregation:               76051
    APNIC Deaggregation factor:                                    3.36
Prefixes being announced from the APNIC address blocks:          247286
    Unique aggregates announced from the APNIC address blocks:   102520
APNIC Region origin ASes present in the Internet Routing Table:   14510
    APNIC Prefixes per ASN:                                       17.04
APNIC Region origin ASes announcing only one prefix:               4420
APNIC Region transit ASes present in the Internet Routing Table:   1949
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10019
Number of APNIC addresses announced to Internet:              749256448
    Equivalent to 44 /8s, 168 /16s and 191 /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:                    288802
    Total ARIN prefixes after maximum aggregation:               128375
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289662
    Unique aggregates announced from the ARIN address blocks:    136525
ARIN Region origin ASes present in the Internet Routing Table:    19233
    ARIN Prefixes per ASN:                                        15.06
ARIN Region origin ASes announcing only one prefix:                7032
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:    5166
Number of ARIN addresses announced to Internet:              1351147264
    Equivalent to 80 /8s, 136 /16s and 223 /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:                    272707
    Total RIPE prefixes after maximum aggregation:               132491
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           270643
    Unique aggregates announced from the RIPE address blocks:    172814
RIPE Region origin ASes present in the Internet Routing Table:    28849
    RIPE Prefixes per ASN:                                         9.38
RIPE Region origin ASes announcing only one prefix:               12066
RIPE Region transit ASes present in the Internet Routing Table:    3966
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:   12294
Number of RIPE addresses announced to Internet:               732808960
    Equivalent to 43 /8s, 173 /16s and 199 /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:                  123369
    Total LACNIC prefixes after maximum aggregation:              29188
    LACNIC Deaggregation factor:                                   4.23
Prefixes being announced from the LACNIC address blocks:         120221
    Unique aggregates announced from the LACNIC address blocks:   48845
LACNIC Region origin ASes present in the Internet Routing Table:  11200
    LACNIC Prefixes per ASN:                                      10.73
LACNIC Region origin ASes announcing only one prefix:              2669
LACNIC Region transit ASes present in the Internet Routing Table:  2468
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:             172771072
    Equivalent to 10 /8s, 76 /16s and 71 /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:                  35080
    Total AfriNIC prefixes after maximum aggregation:              6815
    AfriNIC Deaggregation factor:                                  5.15
Prefixes being announced from the AfriNIC address blocks:         48149
    Unique aggregates announced from the AfriNIC address blocks:  15263
AfriNIC Region origin ASes present in the Internet Routing Table:  1908
    AfriNIC Prefixes per ASN:                                     25.24
AfriNIC Region origin ASes announcing only one prefix:              699
AfriNIC Region transit ASes present in the Internet Routing Table:  374
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: 1269
Number of AfriNIC addresses announced to Internet:            104635392
    Equivalent to 6 /8s, 60 /16s and 156 /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        6211        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4400        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3922       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3671       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3266       1869     101  VNPT-AS-VN VNPT Corp, VN
 24560        2840        850     535  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       12949      39645    3938  AMAZON-02, US
 11492        4673        310     589  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3621       1320      81  SHAW, CA
 22773        3600       3054     221  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3425       8767     955  COGENT-174, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3078       1310    2224  AKAMAI-AS, US
396982        2943       3660     456  GOOGLE-CLOUD-PLATFORM, US
 30036        2569        357     393  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        4024       3395     129  AKAMAI-ASN1, NL
  9009        3768        323    1943  M247, RO
 12389        2978       2303     890  ROSTELECOM-AS, RU
 34984        2367        361     580  TELLCOM-AS, TR
212238        2026        145    1496  CDNEXT, GB
  8452        1622       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       11788       3235     589  UNINET, MX
 10620        3544        492     962  Telmex Colombia S.A., CO
 13999        2505        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        1328        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1203        371      22  Telefonica del Peru S.A.A., PE
 11664        1168        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1109        374     163  Axtel, S.A.B. de C.V., MX
 22884        1046         69     372  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        1682        599      30  RAYA-AS, EG
 24863        1618        389      16  LINKdotNET-AS, EG
 29571        1578        100     104  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         855       1083      15  MOBINIL, EG
  6713         557       1861      35  IAM-AS, MA
 36914         531         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       12949      39645    3938  AMAZON-02, US
  8151       11788       3235     589  UNINET, MX
  9808       10326       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7770       1714     145  UNI2-AS, ES
  7545        6211        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4673        310     589  CABLEONE, US
 18403        4400        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       11788        11199  UNINET, MX
  9808       10326        10238  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7770         7625  UNI2-AS, ES
  7545        6211         5554  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4400         4375  FPT-AS-AP FPT Telecom Company, VN
  7155        4175         4092  VIASAT-SP-BACKBONE, US
 11492        4673         4084  CABLEONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3922         3896  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      /10:42      /11:92      /12:304     
/13:586     /14:1224    /15:2169    /16:13966   /17:8313    /18:13726   
/19:24594   /20:43834   /21:51836   /22:112002  /23:101215  /24:602490  
/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        6711        7770  UNI2-AS, ES
  8151        6000       11788  UNINET, MX
 11492        3527        4673  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2718        3600  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2349       12949  AMAZON-02, US
 30036        2227        2569  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2184        3544  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)
----------------------------------------------

   1:2329      2:1532      3:577       4:10        5:4566      6:166    
   7:6         8:1550      9:1        11:172      12:1377     13:341    
  14:2514     15:350      16:279      17:363      18:925      20:461    
  21:4        22:188      23:7336     24:3021     25:2        27:2746   
  29:19       31:3193     32:35       34:79       35:206      36:2407   
  37:4621     38:8728     39:897      40:153      41:4215     42:1998   
  43:2531     44:357      45:18363    46:5035     47:288      49:1977   
  50:1882     51:589      52:1564     54:303      55:863      56:9      
  57:244      58:2213     59:1199     60:1166     61:2781     62:2915   
  63:1827     64:5505     65:2113     66:4641     67:3017     68:1154   
  69:3961     70:1162     71:615      72:2869     74:2781     75:1652   
  76:610      77:2685     78:1880     79:1716     80:2191     81:2009   
  82:2747     83:1398     84:1811     85:3362     86:1027     87:2165   
  88:1312     89:4317     90:780      91:8323     92:2797     93:2893   
  94:3906     95:4290     96:1414     97:318      98:994      99:740    
 100:71      101:1132    102:3655    103:32214   104:4813    105:758    
 106:997     107:2610    108:1206    109:4105    110:2224    111:3313   
 112:2034    113:1791    114:1939    115:2157    116:2040    117:2758   
 118:2882    119:1957    120:1879    121:1362    122:2761    123:2177   
 124:1566    125:2868    126:88      128:1584    129:962     130:1284   
 131:1860    132:785     133:451     134:1531    135:328     136:1274   
 137:1287    138:2882    139:1604    140:1552    141:1470    142:1824   
 143:1629    144:1050    145:478     146:2154    147:2077    148:2592   
 149:2859    150:1237    151:1947    152:2104    153:571     154:7860   
 155:1606    156:3286    157:1911    158:1269    159:2427    160:3561   
 161:1928    162:3676    163:1887    164:1693    165:2194    166:1383   
 167:1876    168:4058    169:791     170:5073    171:1003    172:4458   
 173:3230    174:921     175:1266    176:3654    177:4708    178:3784   
 179:2217    180:2583    181:4026    182:3373    183:2062    184:2314   
 185:21504   186:5081    187:4331    188:4210    189:4182    190:9656   
 191:1543    192:11172   193:9407    194:7741    195:5533    196:3254   
 197:3649    198:6200    199:8378    200:8166    201:6303    202:10386  
 203:10610   204:4531    205:3673    206:4580    207:3563    208:4174   
 209:5189    210:4563    211:2525    212:4501    213:3753    214:1061   
 215:42      216:6581    217:3114    218:1332    219:372     220:2103   
 221:1055    222:717     223:2316   

End of report


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