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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Apr 15 21:13:56 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Tue 15 Apr, 2025

  IPv4 BGP Table (Global) as seen at AARNET (Brisbane).

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/AARNET/

Analysis Summary
----------------

BGP routing table entries examined:                              979552
    Prefixes after maximum aggregation (per Origin AS):          375821
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      477236
    Number of IPv4 prefixes with a valid ROA:                    540378
    Number of IPv4 prefixes with an invalid ROA:                    121
    Number of IPv4 prefixes with no ROA:                         439053
Total ASes present in the Internet Routing Table:                 76762
    Prefixes per ASN:                                             12.76
Origin-only ASes present in the Internet Routing Table:           65793
Origin ASes announcing only one prefix:                           26896
Transit ASes present in the Internet Routing Table:               10969
Transit-only ASes present in the Internet Routing Table:            538
Paths with bogon ASNs present in the IPv4 Routing Table:             20
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      50
    Max AS path prepend of ASN ( 37447)                              47
Prefixes from unregistered ASNs in the Routing Table:              1058
    Number of instances of unregistered ASNs:                      1061
Number of 32-bit ASNs allocated by the RIRs:                      46194
Number of 32-bit ASNs visible in the Routing Table:               38113
Prefixes from 32-bit ASNs in the Routing Table:                  200613
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:            440
Number of addresses announced to Internet:                   3106959360
    Equivalent to 185 /8s, 48 /16s and 112 /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:      321231

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

Prefixes being announced by APNIC Region ASes:                   256021
    Total APNIC prefixes after maximum aggregation:               76504
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247698
    Unique aggregates announced from the APNIC address blocks:   102803
APNIC Region origin ASes present in the Internet Routing Table:   14580
    APNIC Prefixes per ASN:                                       16.99
APNIC Region origin ASes announcing only one prefix:               4444
APNIC Region transit ASes present in the Internet Routing Table:   1958
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:  10091
Number of APNIC addresses announced to Internet:              748332544
    Equivalent to 44 /8s, 154 /16s and 166 /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:                    290097
    Total ARIN prefixes after maximum aggregation:               129227
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           291088
    Unique aggregates announced from the ARIN address blocks:    137709
ARIN Region origin ASes present in the Internet Routing Table:    19246
    ARIN Prefixes per ASN:                                        15.12
ARIN Region origin ASes announcing only one prefix:                7039
ARIN Region transit ASes present in the Internet Routing Table:    1985
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:    5188
Number of ARIN addresses announced to Internet:              1349640960
    Equivalent to 80 /8s, 113 /16s and 227 /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:                    273677
    Total RIPE prefixes after maximum aggregation:               133425
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271640
    Unique aggregates announced from the RIPE address blocks:    173649
RIPE Region origin ASes present in the Internet Routing Table:    28883
    RIPE Prefixes per ASN:                                         9.40
RIPE Region origin ASes announcing only one prefix:               12037
RIPE Region transit ASes present in the Internet Routing Table:    3972
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:   12380
Number of RIPE addresses announced to Internet:               731797760
    Equivalent to 43 /8s, 158 /16s and 89 /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:                  123305
    Total LACNIC prefixes after maximum aggregation:              29287
    LACNIC Deaggregation factor:                                   4.21
Prefixes being announced from the LACNIC address blocks:         119945
    Unique aggregates announced from the LACNIC address blocks:   48896
LACNIC Region origin ASes present in the Internet Routing Table:  11231
    LACNIC Prefixes per ASN:                                      10.68
LACNIC Region origin ASes announcing only one prefix:              2682
LACNIC Region transit ASes present in the Internet Routing Table:  2473
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:  9177
Number of LACNIC addresses announced to Internet:             171767296
    Equivalent to 10 /8s, 60 /16s and 246 /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:                  35394
    Total AfriNIC prefixes after maximum aggregation:              6753
    AfriNIC Deaggregation factor:                                  5.24
Prefixes being announced from the AfriNIC address blocks:         48740
    Unique aggregates announced from the AfriNIC address blocks:  13801
AfriNIC Region origin ASes present in the Internet Routing Table:  1914
    AfriNIC Prefixes per ASN:                                     25.46
AfriNIC Region origin ASes announcing only one prefix:              694
AfriNIC Region transit ASes present in the Internet Routing Table:  379
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       50
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1277
Number of AfriNIC addresses announced to Internet:            105200384
    Equivalent to 6 /8s, 69 /16s and 59 /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       10350       8753      89  CHINAMOBILE-CN China Mobile Communication
  7545        6214        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4273        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4221        530     275  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3923       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3674       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3259       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2856        850     537  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2170      11523     632  KIXS-AS-KR Korea Telecom, KR
 45090        2170       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       13200      39694    4082  AMAZON-02, US
 11492        4693        311     586  CABLEONE, US
  7155        3829        286      85  VIASAT-SP-BACKBONE, US
 22773        3628       3054     223  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3621       1320      81  SHAW, CA
   174        3555       8762     945  COGENT-174, US
   749        3254      54879    2505  DNIC-AS-00749, US
 16625        3119       1312    2258  AKAMAI-AS, US
396982        2952       3649     466  GOOGLE-CLOUD-PLATFORM, US
 36352        2656        219     814  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        7716       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4034       3395     129  AKAMAI-ASN1, NL
  9009        3773        326    1960  M247, RO
 12389        3068       2303     887  ROSTELECOM-AS, RU
 34984        2365        360     583  TELLCOM-AS, TR
212238        2092        148    1539  CDNEXT, GB
  8452        1637       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1481         98     745  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       11956       3243     592  UNINET, MX
 10620        3522        486     992  Telmex Colombia S.A., CO
 13999        2509        539     372  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1357       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1333        784     206  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1192        371      22  Telefonica del Peru S.A.A., PE
 11664        1182        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1052         70     379  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1040        374     163  Axtel, S.A.B. de C.V., MX

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

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1743        607      31  RAYA-AS, EG
 24863        1646        389      16  LINKdotNET-AS, EG
 29571        1581        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1432       1518     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1027        521      42  Vodafone-, EG
 20011         981        185     285  INTERNET-SOLUTIONS, ZA
 37069         932       1099      15  MOBINIL, EG
  6713         560       1861      35  IAM-AS, MA
 36914         547         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       13200      39694    4082  AMAZON-02, US
  8151       11956       3243     592  UNINET, MX
  9808       10350       8753      89  CHINAMOBILE-CN China Mobile Communication
 12479        7716       1714     145  UNI2-AS, ES
  7545        6214        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4693        311     586  CABLEONE, US
 18403        4273        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4221        530     275  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4034       3395     129  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       11956        11364  UNINET, MX
  9808       10350        10261  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7716         7571  UNI2-AS, ES
  7545        6214         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4273         4248  FPT-AS-AP FPT Telecom Company, VN
 11492        4693         4107  CABLEONE, US
  9498        4221         3946  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4034         3905  AKAMAI-ASN1, NL
  7552        3923         3897  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      /12:301     
/13:584     /14:1225    /15:2164    /16:13941   /17:8303    /18:13760   
/19:24612   /20:43753   /21:51812   /22:112155  /23:101608  /24:605167  
/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        6638        7716  UNI2-AS, ES
  8151        6161       11956  UNINET, MX
 11492        3531        4693  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        2787        3829  VIASAT-SP-BACKBONE, US
 22773        2746        3628  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2356       13200  AMAZON-02, US
 30036        2230        2572  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2188        3522  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)
----------------------------------------------

   1:2328      2:1542      3:615       4:10        5:4636      6:163    
   7:6         8:1558      9:1        11:172      12:1371     13:352    
  14:2511     15:352      16:282      17:366      18:923      20:510    
  21:4        22:188      23:7460     24:2842     25:2        27:2769   
  29:19       31:3233     32:36       34:80       35:206      36:2397   
  37:4668     38:8870     39:903      40:160      41:4229     42:1908   
  43:2568     44:371      45:18483    46:4977     47:288      49:1918   
  50:1898     51:590      52:1553     54:299      55:1093     56:11     
  57:254      58:2206     59:1219     60:1171     61:2780     62:2907   
  63:1829     64:5504     65:2127     66:4650     67:3067     68:1161   
  69:3980     70:1122     71:626      72:2846     74:2802     75:1604   
  76:613      77:2740     78:1891     79:1748     80:2198     81:2038   
  82:3167     83:1420     84:1853     85:3417     86:1042     87:2155   
  88:1315     89:4300     90:780      91:8325     92:2786     93:2896   
  94:4060     95:4351     96:1443     97:313      98:1025     99:644    
 100:72      101:1149    102:3747    103:32216   104:4783    105:752    
 106:984     107:2637    108:1203    109:4096    110:2228    111:3349   
 112:2042    113:1795    114:1958    115:2207    116:2036    117:2750   
 118:2907    119:1956    120:1876    121:1372    122:2752    123:2175   
 124:1564    125:2857    126:91      128:1587    129:960     130:1276   
 131:1910    132:788     133:451     134:1530    135:331     136:1305   
 137:1296    138:2874    139:1613    140:1576    141:1488    142:1904   
 143:1635    144:1069    145:517     146:2159    147:2112    148:2656   
 149:2897    150:1239    151:1745    152:2103    153:574     154:8003   
 155:1617    156:3208    157:1900    158:1283    159:2442    160:3570   
 161:1905    162:3747    163:2050    164:1695    165:2207    166:1456   
 167:1885    168:4054    169:793     170:5061    171:1005    172:4485   
 173:3231    174:918     175:1299    176:3697    177:4644    178:3799   
 179:2283    180:2592    181:4058    182:3368    183:2051    184:2154   
 185:21534   186:5073    187:4413    188:4200    189:4182    190:9621   
 191:1470    192:11240   193:9447    194:7767    195:5538    196:3296   
 197:3693    198:6174    199:8438    200:8184    201:6270    202:10386  
 203:10623   204:4546    205:3665    206:4660    207:3560    208:4207   
 209:5180    210:4577    211:2530    212:4514    213:3770    214:1034   
 215:48      216:6622    217:3114    218:1334    219:375     220:2084   
 221:1062    222:716     223:2315   

End of report


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