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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Apr 28 21:14:04 UTC 2025


IPv4 R&E Routing Table Report   21:10 GMT Mon 28 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:                              975989
    Prefixes after maximum aggregation (per Origin AS):          375588
    Deaggregation factor:                                          2.60
    Unique aggregates announced (without unneeded subnets):      477114
    Number of IPv4 prefixes with a valid ROA:                    537472
    Number of IPv4 prefixes with an invalid ROA:                    127
    Number of IPv4 prefixes with no ROA:                         438383
Total ASes present in the Internet Routing Table:                 76545
    Prefixes per ASN:                                             12.75
Origin-only ASes present in the Internet Routing Table:           65574
Origin ASes announcing only one prefix:                           26897
Transit ASes present in the Internet Routing Table:               10971
Transit-only ASes present in the Internet Routing Table:            538
Paths with bogon ASNs present in the IPv4 Routing Table:             18
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      71
    Max AS path prepend of ASN (152107)                              65
Prefixes from unregistered ASNs in the Routing Table:              1055
    Number of instances of unregistered ASNs:                      1058
Number of 32-bit ASNs allocated by the RIRs:                      46291
Number of 32-bit ASNs visible in the Routing Table:               37978
Prefixes from 32-bit ASNs in the Routing Table:                  199561
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:            473
Number of addresses announced to Internet:                   3100494848
    Equivalent to 184 /8s, 205 /16s and 204 /24s
    Percentage of available address space announced:               83.7
    Percentage of allocated address space announced:               83.7
    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:      317706

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

Prefixes being announced by APNIC Region ASes:                   257120
    Total APNIC prefixes after maximum aggregation:               76804
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          248217
    Unique aggregates announced from the APNIC address blocks:   103047
APNIC Region origin ASes present in the Internet Routing Table:   14598
    APNIC Prefixes per ASN:                                       17.00
APNIC Region origin ASes announcing only one prefix:               4443
APNIC Region transit ASes present in the Internet Routing Table:   1971
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         71
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10112
Number of APNIC addresses announced to Internet:              748283392
    Equivalent to 44 /8s, 153 /16s and 230 /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:                    290263
    Total ARIN prefixes after maximum aggregation:               129577
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           291350
    Unique aggregates announced from the ARIN address blocks:    138518
ARIN Region origin ASes present in the Internet Routing Table:    19247
    ARIN Prefixes per ASN:                                        15.14
ARIN Region origin ASes announcing only one prefix:                7050
ARIN Region transit ASes present in the Internet Routing Table:    1992
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:    5200
Number of ARIN addresses announced to Internet:              1348745472
    Equivalent to 80 /8s, 100 /16s and 57 /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:                    268638
    Total RIPE prefixes after maximum aggregation:               132496
    RIPE Deaggregation factor:                                     2.03
Prefixes being announced from the RIPE address blocks:           266726
    Unique aggregates announced from the RIPE address blocks:    172226
RIPE Region origin ASes present in the Internet Routing Table:    28658
    RIPE Prefixes per ASN:                                         9.31
RIPE Region origin ASes announcing only one prefix:               12008
RIPE Region transit ASes present in the Internet Routing Table:    3954
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:   12226
Number of RIPE addresses announced to Internet:               728396800
    Equivalent to 43 /8s, 106 /16s and 116 /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:                  123518
    Total LACNIC prefixes after maximum aggregation:              29309
    LACNIC Deaggregation factor:                                   4.21
Prefixes being announced from the LACNIC address blocks:         120077
    Unique aggregates announced from the LACNIC address blocks:   48809
LACNIC Region origin ASes present in the Internet Routing Table:  11220
    LACNIC Prefixes per ASN:                                      10.70
LACNIC Region origin ASes announcing only one prefix:              2700
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:                        37
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9163
Number of LACNIC addresses announced to Internet:             171747584
    Equivalent to 10 /8s, 60 /16s and 169 /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:                  35395
    Total AfriNIC prefixes after maximum aggregation:              6774
    AfriNIC Deaggregation factor:                                  5.23
Prefixes being announced from the AfriNIC address blocks:         49145
    Unique aggregates announced from the AfriNIC address blocks:  14128
AfriNIC Region origin ASes present in the Internet Routing Table:  1915
    AfriNIC Prefixes per ASN:                                     25.66
AfriNIC Region origin ASes announcing only one prefix:              696
AfriNIC Region transit ASes present in the Internet Routing Table:  378
Average AfriNIC Region AS path length visible:                      5.2
    Max AfriNIC Region AS path length visible:                       60
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1277
Number of AfriNIC addresses announced to Internet:            103096064
    Equivalent to 6 /8s, 37 /16s and 31 /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       10456       8754      93  CHINAMOBILE-CN China Mobile Communication
  7545        6215        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4249        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4237        531     278  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3919       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3674       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3263       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2852        850     547  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4766        2189      11523     648  KIXS-AS-KR Korea Telecom, KR
 45090        2173       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      39700    4086  AMAZON-02, US
 11492        4701        312     586  CABLEONE, US
  7155        3859        286      85  VIASAT-SP-BACKBONE, US
   174        3680       8756     921  COGENT-174, US
 22773        3625       3054     219  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3621       1320      81  SHAW, CA
   749        3254      54879    2505  DNIC-AS-00749, US
 16625        3118       1311    2256  AKAMAI-AS, US
396982        2966       3651     474  GOOGLE-CLOUD-PLATFORM, US
 36352        2736        225     836  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        5654       1712     162  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4058       3395     127  AKAMAI-ASN1, NL
  9009        3734        323    1975  M247, RO
 12389        3069       2303     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2362        360     584  TELLCOM-AS, TR
212238        2113        150    1552  CDNEXT, GB
  8452        1642       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1417        366      33  BEZEQ-INTERNATIONAL-AS Bezeqint Internet 

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       11978       3243     595  UNINET, MX
 10620        3516        485     994  Telmex Colombia S.A., CO
 13999        2508        539     364  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1358       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1332        784     205  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1194        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1190        371      21  Telefonica del Peru S.A.A., PE
 22884        1054         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        1650        389      16  LINKdotNET-AS, EG
 29571        1589        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1435       1518     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 37069        1107       1100      18  MOBINIL, EG
 36935        1020        521      42  Vodafone-, EG
 20011         980        185     285  INTERNET-SOLUTIONS, ZA
 36914         533         82       3  KENET-AS, KE
 15399         526         57      58  WANANCHI-, 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      39700    4086  AMAZON-02, US
  8151       11978       3243     595  UNINET, MX
  9808       10456       8754      93  CHINAMOBILE-CN China Mobile Communication
  7545        6215        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
 12479        5654       1712     162  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4701        312     586  CABLEONE, US
 18403        4249        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4237        531     278  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4058       3395     127  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       11978        11383  UNINET, MX
  9808       10456        10363  CHINAMOBILE-CN China Mobile Communications Grou
  7545        6215         5558  TPG-INTERNET-AP TPG Telecom Limited, AU
 12479        5654         5492  UNI2-AS, ES
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4249         4224  FPT-AS-AP FPT Telecom Company, VN
 11492        4701         4115  CABLEONE, US
  9498        4237         3959  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4058         3931  AKAMAI-ASN1, NL
  7552        3919         3893  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      /12:299     
/13:581     /14:1219    /15:2157    /16:13877   /17:8242    /18:13652   
/19:24569   /20:43849   /21:51533   /22:110915  /23:101194  /24:603735  
/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
  8151        6183       11978  UNINET, MX
 12479        4759        5654  UNI2-AS, ES
 11492        3531        4701  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        2818        3859  VIASAT-SP-BACKBONE, US
 22773        2747        3625  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2348       13231  AMAZON-02, US
 30036        2242        2584  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2182        3516  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)
----------------------------------------------

   1:2333      2:1515      3:628       4:9         5:4559      6:163    
   7:6         8:1556      9:1        11:172      12:1372     13:349    
  14:2507     15:352      16:282      17:368      18:920      20:513    
  21:4        22:188      23:7527     24:2811     25:2        27:2775   
  29:19       31:3214     32:36       34:80       35:209      36:2487   
  37:4533     38:9075     39:908      40:170      41:4226     42:1904   
  43:2595     44:377      45:18365    46:5007     47:293      49:1931   
  50:1898     51:590      52:1550     54:298      55:1078     56:11     
  57:256      58:2203     59:1217     60:1171     61:2773     62:2908   
  63:1824     64:5482     65:2131     66:4649     67:3066     68:1151   
  69:3929     70:1116     71:628      72:2850     74:2781     75:1619   
  76:614      77:2726     78:1888     79:1743     80:2167     81:2042   
  82:3183     83:1418     84:1790     85:3312     86:1032     87:1930   
  88:1284     89:4237     90:646      91:8276     92:2594     93:2865   
  94:4028     95:4220     96:1453     97:312      98:1024     99:666    
 100:72      101:1146    102:3909    103:32258   104:4830    105:733    
 106:1042    107:2646    108:1215    109:4062    110:2225    111:3338   
 112:2046    113:1791    114:1961    115:2209    116:2038    117:2748   
 118:2897    119:1958    120:1882    121:1377    122:2752    123:2180   
 124:1567    125:2857    126:91      128:1590    129:960     130:1299   
 131:1902    132:757     133:451     134:1539    135:331     136:1304   
 137:1301    138:2871    139:1619    140:1573    141:1496    142:1905   
 143:1660    144:1077    145:516     146:2155    147:2094    148:2674   
 149:2848    150:1247    151:1757    152:2089    153:563     154:8232   
 155:1641    156:3349    157:1882    158:1289    159:2436    160:3582   
 161:1906    162:3750    163:2092    164:1699    165:2202    166:1456   
 167:1870    168:4030    169:795     170:5062    171:1001    172:4498   
 173:3252    174:916     175:1302    176:3627    177:4631    178:3661   
 179:2532    180:2588    181:4052    182:3394    183:2048    184:2141   
 185:20903   186:5082    187:4421    188:4095    189:4202    190:9517   
 191:1473    192:11212   193:9374    194:7721    195:5465    196:3298   
 197:3701    198:6202    199:8473    200:8161    201:6278    202:10410  
 203:10643   204:4554    205:3636    206:4618    207:3555    208:4228   
 209:5187    210:4586    211:2534    212:4458    213:3746    214:1022   
 215:48      216:6622    217:3092    218:1333    219:375     220:2084   
 221:1059    222:725     223:2348   

End of report


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