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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Apr 20 21:13:59 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Sun 20 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:                              979641
    Prefixes after maximum aggregation (per Origin AS):          376158
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      478209
    Number of IPv4 prefixes with a valid ROA:                    540627
    Number of IPv4 prefixes with an invalid ROA:                    125
    Number of IPv4 prefixes with no ROA:                         438888
Total ASes present in the Internet Routing Table:                 76807
    Prefixes per ASN:                                             12.75
Origin-only ASes present in the Internet Routing Table:           65823
Origin ASes announcing only one prefix:                           26913
Transit ASes present in the Internet Routing Table:               10984
Transit-only ASes present in the Internet Routing Table:            537
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:                                      72
    Max AS path prepend of ASN (152107)                              65
Prefixes from unregistered ASNs in the Routing Table:              1046
    Number of instances of unregistered ASNs:                      1049
Number of 32-bit ASNs allocated by the RIRs:                      46256
Number of 32-bit ASNs visible in the Routing Table:               38150
Prefixes from 32-bit ASNs in the Routing Table:                  200942
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:            455
Number of addresses announced to Internet:                   3106542848
    Equivalent to 185 /8s, 42 /16s and 21 /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:      321067

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

Prefixes being announced by APNIC Region ASes:                   256075
    Total APNIC prefixes after maximum aggregation:               76561
    APNIC Deaggregation factor:                                    3.34
Prefixes being announced from the APNIC address blocks:          247753
    Unique aggregates announced from the APNIC address blocks:   102894
APNIC Region origin ASes present in the Internet Routing Table:   14602
    APNIC Prefixes per ASN:                                       16.97
APNIC Region origin ASes announcing only one prefix:               4446
APNIC Region transit ASes present in the Internet Routing Table:   1967
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         72
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10105
Number of APNIC addresses announced to Internet:              748232960
    Equivalent to 44 /8s, 153 /16s and 33 /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:                    289971
    Total ARIN prefixes after maximum aggregation:               129409
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           291053
    Unique aggregates announced from the ARIN address blocks:    137976
ARIN Region origin ASes present in the Internet Routing Table:    19256
    ARIN Prefixes per ASN:                                        15.11
ARIN Region origin ASes announcing only one prefix:                7045
ARIN Region transit ASes present in the Internet Routing Table:    1986
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:    5195
Number of ARIN addresses announced to Internet:              1349364480
    Equivalent to 80 /8s, 109 /16s and 171 /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:                    273721
    Total RIPE prefixes after maximum aggregation:               133528
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271603
    Unique aggregates announced from the RIPE address blocks:    173774
RIPE Region origin ASes present in the Internet Routing Table:    28894
    RIPE Prefixes per ASN:                                         9.40
RIPE Region origin ASes announcing only one prefix:               12038
RIPE Region transit ASes present in the Internet Routing Table:    3971
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          32
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12393
Number of RIPE addresses announced to Internet:               731856896
    Equivalent to 43 /8s, 159 /16s and 64 /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:                  123475
    Total LACNIC prefixes after maximum aggregation:              29284
    LACNIC Deaggregation factor:                                   4.22
Prefixes being announced from the LACNIC address blocks:         120083
    Unique aggregates announced from the LACNIC address blocks:   48904
LACNIC Region origin ASes present in the Internet Routing Table:  11233
    LACNIC Prefixes per ASN:                                      10.69
LACNIC Region origin ASes announcing only one prefix:              2689
LACNIC Region transit ASes present in the Internet Routing Table:  2480
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        33
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9178
Number of LACNIC addresses announced to Internet:             171774720
    Equivalent to 10 /8s, 61 /16s and 19 /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:                  35353
    Total AfriNIC prefixes after maximum aggregation:              6750
    AfriNIC Deaggregation factor:                                  5.24
Prefixes being announced from the AfriNIC address blocks:         48693
    Unique aggregates announced from the AfriNIC address blocks:  14281
AfriNIC Region origin ASes present in the Internet Routing Table:  1915
    AfriNIC Prefixes per ASN:                                     25.43
AfriNIC Region origin ASes announcing only one prefix:              695
AfriNIC Region transit ASes present in the Internet Routing Table:  381
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: 1279
Number of AfriNIC addresses announced to Internet:            105092864
    Equivalent to 6 /8s, 67 /16s and 151 /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       10347       8753      89  CHINAMOBILE-CN China Mobile Communication
  7545        6214        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4261        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4223        530     272  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3923       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3670       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3260       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2856        850     537  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2176      11524     637  KIXS-AS-KR Korea Telecom, KR
 45090        2171       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       13231      39709    4100  AMAZON-02, US
 11492        4694        311     587  CABLEONE, US
  7155        3829        286      85  VIASAT-SP-BACKBONE, US
 22773        3629       3054     223  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3621       1320      81  SHAW, CA
   174        3520       8761     931  COGENT-174, US
   749        3254      54879    2505  DNIC-AS-00749, US
 16625        3116       1307    2254  AKAMAI-AS, US
396982        2957       3650     468  GOOGLE-CLOUD-PLATFORM, US
 36352        2709        222     832  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        7703       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4040       3395     129  AKAMAI-ASN1, NL
  9009        3773        326    1960  M247, RO
 12389        3068       2302     885  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2363        360     585  TELLCOM-AS, TR
212238        2095        148    1540  CDNEXT, GB
  8452        1640       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1444         95     746  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       11957       3243     591  UNINET, MX
 10620        3522        486     992  Telmex Colombia S.A., CO
 13999        2511        539     364  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1356       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1333        784     206  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1191        371      22  Telefonica del Peru S.A.A., PE
 11664        1183        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1052         70     379  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1043        374     163  Axtel, S.A.B. de C.V., MX

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1743        607      31  RAYA-AS, EG
 24863        1647        389      16  LINKdotNET-AS, EG
 29571        1588        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1433       1518     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1020        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         535         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       13231      39709    4100  AMAZON-02, US
  8151       11957       3243     591  UNINET, MX
  9808       10347       8753      89  CHINAMOBILE-CN China Mobile Communication
 12479        7703       1714     145  UNI2-AS, ES
  7545        6214        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4694        311     587  CABLEONE, US
 18403        4261        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4223        530     272  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4040       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       11957        11366  UNINET, MX
  9808       10347        10258  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7703         7558  UNI2-AS, ES
  7545        6214         5557  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4261         4236  FPT-AS-AP FPT Telecom Company, VN
 11492        4694         4107  CABLEONE, US
  9498        4223         3951  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4040         3911  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      /12:300     
/13:584     /14:1225    /15:2161    /16:13921   /17:8301    /18:13759   
/19:24618   /20:43737   /21:51788   /22:112092  /23:101718  /24:605270  
/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        6624        7703  UNI2-AS, ES
  8151        6163       11957  UNINET, MX
 11492        3531        4694  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        2787        3829  VIASAT-SP-BACKBONE, US
 22773        2747        3629  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2351       13231  AMAZON-02, US
 30036        2233        2575  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)
----------------------------------------------

   1:2329      2:1539      3:618       4:10        5:4636      6:163    
   7:6         8:1556      9:1        11:172      12:1370     13:354    
  14:2514     15:352      16:283      17:368      18:924      20:512    
  21:4        22:188      23:7481     24:2800     25:2        27:2768   
  29:19       31:3230     32:36       34:80       35:206      36:2397   
  37:4658     38:8899     39:905      40:166      41:4227     42:1915   
  43:2568     44:378      45:18550    46:5009     47:290      49:1916   
  50:1896     51:590      52:1555     54:300      55:1008     56:11     
  57:256      58:2208     59:1217     60:1171     61:2776     62:2930   
  63:1828     64:5502     65:2134     66:4644     67:3068     68:1149   
  69:3929     70:1118     71:624      72:2846     74:2794     75:1601   
  76:613      77:2744     78:1895     79:1746     80:2197     81:2046   
  82:3189     83:1433     84:1852     85:3421     86:1050     87:2151   
  88:1309     89:4296     90:784      91:8333     92:2715     93:2896   
  94:4072     95:4366     96:1438     97:313      98:1024     99:642    
 100:72      101:1149    102:3751    103:32222   104:4823    105:756    
 106:986     107:2639    108:1207    109:4078    110:2229    111:3347   
 112:2046    113:1793    114:1962    115:2206    116:2034    117:2749   
 118:2902    119:1956    120:1875    121:1371    122:2752    123:2173   
 124:1564    125:2858    126:91      128:1590    129:957     130:1287   
 131:1922    132:789     133:451     134:1534    135:331     136:1306   
 137:1289    138:2888    139:1617    140:1580    141:1488    142:1904   
 143:1643    144:1067    145:515     146:2155    147:2113    148:2661   
 149:2915    150:1242    151:1721    152:2104    153:569     154:8010   
 155:1619    156:3195    157:1901    158:1286    159:2439    160:3588   
 161:1911    162:3753    163:2083    164:1696    165:2200    166:1446   
 167:1882    168:4058    169:795     170:5059    171:1006    172:4492   
 173:3244    174:912     175:1299    176:3672    177:4645    178:3741   
 179:2280    180:2597    181:4046    182:3369    183:2042    184:2145   
 185:21543   186:5073    187:4407    188:4204    189:4170    190:9614   
 191:1474    192:11258   193:9444    194:7764    195:5534    196:3294   
 197:3691    198:6196    199:8448    200:8201    201:6283    202:10406  
 203:10630   204:4549    205:3671    206:4632    207:3562    208:4204   
 209:5180    210:4576    211:2531    212:4523    213:3765    214:1029   
 215:48      216:6626    217:3132    218:1335    219:375     220:2083   
 221:1059    222:716     223:2321   

End of report


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