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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Feb 22 21:13:58 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Sat 22 Feb, 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:                              974685
    Prefixes after maximum aggregation (per Origin AS):          372575
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      475480
    Number of IPv4 prefixes with a valid ROA:                    532673
    Number of IPv4 prefixes with an invalid ROA:                    138
    Number of IPv4 prefixes with no ROA:                         441874
Total ASes present in the Internet Routing Table:                 76582
    Prefixes per ASN:                                             12.73
Origin-only ASes present in the Internet Routing Table:           65647
Origin ASes announcing only one prefix:                           26872
Transit ASes present in the Internet Routing Table:               10935
Transit-only ASes present in the Internet Routing Table:            540
Paths with bogon ASNs present in the IPv4 Routing Table:             39
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:              1049
    Number of instances of unregistered ASNs:                      1068
Number of 32-bit ASNs allocated by the RIRs:                      46175
Number of 32-bit ASNs visible in the Routing Table:               37833
Prefixes from 32-bit ASNs in the Routing Table:                  199043
Number of bogon 32-bit ASNs visible in the Routing Table:            61
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            507
Number of addresses announced to Internet:                   3112611584
    Equivalent to 185 /8s, 134 /16s and 175 /24s
    Percentage of available address space announced:               84.1
    Percentage of allocated address space announced:               84.1
    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:      319454

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

Prefixes being announced by APNIC Region ASes:                   255061
    Total APNIC prefixes after maximum aggregation:               76065
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247140
    Unique aggregates announced from the APNIC address blocks:   102590
APNIC Region origin ASes present in the Internet Routing Table:   14491
    APNIC Prefixes per ASN:                                       17.05
APNIC Region origin ASes announcing only one prefix:               4438
APNIC Region transit ASes present in the Internet Routing Table:   1932
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:  10004
Number of APNIC addresses announced to Internet:              753215744
    Equivalent to 44 /8s, 229 /16s and 41 /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:                    287776
    Total ARIN prefixes after maximum aggregation:               127648
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289579
    Unique aggregates announced from the ARIN address blocks:    135975
ARIN Region origin ASes present in the Internet Routing Table:    19223
    ARIN Prefixes per ASN:                                        15.06
ARIN Region origin ASes announcing only one prefix:                7021
ARIN Region transit ASes present in the Internet Routing Table:    1997
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:    5156
Number of ARIN addresses announced to Internet:              1348505344
    Equivalent to 80 /8s, 96 /16s and 143 /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:                    272401
    Total RIPE prefixes after maximum aggregation:               132277
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           269809
    Unique aggregates announced from the RIPE address blocks:    172687
RIPE Region origin ASes present in the Internet Routing Table:    28845
    RIPE Prefixes per ASN:                                         9.35
RIPE Region origin ASes announcing only one prefix:               12052
RIPE Region transit ASes present in the Internet Routing Table:    3961
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:   12270
Number of RIPE addresses announced to Internet:               732258048
    Equivalent to 43 /8s, 165 /16s and 95 /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:                  123357
    Total LACNIC prefixes after maximum aggregation:              29120
    LACNIC Deaggregation factor:                                   4.24
Prefixes being announced from the LACNIC address blocks:         120299
    Unique aggregates announced from the LACNIC address blocks:   48861
LACNIC Region origin ASes present in the Internet Routing Table:  11199
    LACNIC Prefixes per ASN:                                      10.74
LACNIC Region origin ASes announcing only one prefix:              2667
LACNIC Region transit ASes present in the Internet Routing Table:  2476
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:  9136
Number of LACNIC addresses announced to Internet:             173755136
    Equivalent to 10 /8s, 91 /16s and 75 /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:                  35041
    Total AfriNIC prefixes after maximum aggregation:              6809
    AfriNIC Deaggregation factor:                                  5.15
Prefixes being announced from the AfriNIC address blocks:         47350
    Unique aggregates announced from the AfriNIC address blocks:  14943
AfriNIC Region origin ASes present in the Internet Routing Table:  1912
    AfriNIC Prefixes per ASN:                                     24.76
AfriNIC Region origin ASes announcing only one prefix:              694
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: 1267
Number of AfriNIC addresses announced to Internet:            104612864
    Equivalent to 6 /8s, 60 /16s and 68 /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       10335       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6214        844     662  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4267        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3919       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3669       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3256       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2842        854     529  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4766        2150      11521     612  KIXS-AS-KR Korea Telecom, KR

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       12800      39191    3793  AMAZON-02, US
 11492        4705        312     562  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
 22773        3589       3054     220  ASN-CXA-ALL-CCI-22773-RDC, US
   174        3475       8763     931  COGENT-174, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3044       1311    2203  AKAMAI-AS, US
396982        2930       3660     449  GOOGLE-CLOUD-PLATFORM, US
 30036        2600        363     269  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        4003       3395     130  AKAMAI-ASN1, NL
  9009        3733        320    1918  M247, RO
 12389        2993       2303     893  ROSTELECOM-AS, RU
 34984        2368        361     580  TELLCOM-AS, TR
212238        2017        147    1490  CDNEXT, GB
  8452        1622       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1498         99     749  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       11766       3231     596  UNINET, MX
 10620        3545        492     952  Telmex Colombia S.A., CO
 13999        2515        541     366  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        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1159        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1155        371      22  Telefonica del Peru S.A.A., PE
  6503        1130        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        1644        389      16  LINKdotNET-AS, EG
 29571        1559         98     102  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935         997        521      42  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         847       1083      15  MOBINIL, EG
  6713         558       1861      35  IAM-AS, MA
 36914         548         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       12800      39191    3793  AMAZON-02, US
  8151       11766       3231     596  UNINET, MX
  9808       10335       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7770       1714     145  UNI2-AS, ES
  7545        6214        844     662  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4705        312     562  CABLEONE, US
 18403        4267        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       11766        11170  UNINET, MX
  9808       10335        10247  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7770         7625  UNI2-AS, ES
  7545        6214         5552  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4267         4242  FPT-AS-AP FPT Telecom Company, VN
 11492        4705         4143  CABLEONE, US
  7155        4175         4092  VIASAT-SP-BACKBONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3919         3894  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
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     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

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      /12:307     
/13:587     /14:1224    /15:2165    /16:13943   /17:8302    /18:13708   
/19:24562   /20:43841   /21:51931   /22:112233  /23:100925  /24:600790  
/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        6723        7770  UNI2-AS, ES
  8151        5970       11766  UNINET, MX
 11492        3556        4705  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3622  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2708        3589  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2286       12800  AMAZON-02, US
 30036        2258        2600  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3545  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)
----------------------------------------------

   1:2296      2:1518      3:571       4:10        5:4521      6:163    
   7:6         8:1548      9:1        11:172      12:1380     13:349    
  14:2507     15:347      16:272      17:357      18:917      20:450    
  21:4        22:188      23:7338     24:2725     25:2        27:2744   
  29:19       31:3144     32:35       34:78       35:204      36:2406   
  37:4606     38:8600     39:896      40:153      41:4183     42:1934   
  43:2526     44:350      45:18264    46:4981     47:291      49:1972   
  50:1885     51:589      52:1570     54:300      55:1092     56:9      
  57:243      58:2221     59:1196     60:1167     61:2785     62:2950   
  63:1828     64:5513     65:2140     66:4635     67:3031     68:1156   
  69:3974     70:1158     71:617      72:2880     74:2782     75:1649   
  76:611      77:2665     78:1874     79:1726     80:2208     81:2028   
  82:2631     83:1411     84:1796     85:3354     86:1022     87:2166   
  88:1315     89:4311     90:762      91:8320     92:2800     93:2857   
  94:3913     95:4230     96:1364     97:318      98:1003     99:742    
 100:71      101:1139    102:3677    103:32276   104:4811    105:752    
 106:990     107:2611    108:1203    109:4084    110:2220    111:3308   
 112:2047    113:1791    114:1937    115:2163    116:2040    117:2752   
 118:2881    119:1956    120:1877    121:1360    122:2756    123:2178   
 124:1561    125:2870    126:94      128:1593    129:954     130:1285   
 131:1856    132:797     133:450     134:1530    135:325     136:1329   
 137:1293    138:2889    139:1622    140:1560    141:1476    142:1828   
 143:1602    144:1051    145:468     146:2136    147:2063    148:2580   
 149:2868    150:1228    151:1686    152:2109    153:571     154:7561   
 155:1606    156:3131    157:1898    158:1251    159:2429    160:3569   
 161:1893    162:3696    163:1845    164:1681    165:2184    166:1351   
 167:1878    168:4060    169:798     170:5072    171:1005    172:4363   
 173:3250    174:924     175:1269    176:3620    177:4729    178:3772   
 179:2234    180:2579    181:3997    182:3370    183:2038    184:2308   
 185:21486   186:5108    187:4321    188:4210    189:4180    190:9621   
 191:1531    192:11181   193:9392    194:7750    195:5479    196:3285   
 197:3674    198:6183    199:8340    200:8163    201:6293    202:10371  
 203:10609   204:4559    205:3693    206:4631    207:3578    208:4200   
 209:5190    210:4565    211:2521    212:4511    213:3745    214:1054   
 215:42      216:6567    217:3107    218:1337    219:373     220:2111   
 221:1056    222:717     223:2316   

End of report


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