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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Apr 9 21:40:07 UTC 2025


IPv4 R&E Routing Table Report   21:35 GMT Wed 09 Apr, 2025

  IPv4 BGP Table (Global) as seen at USP.

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

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

BGP routing table entries examined:                              977561
    Prefixes after maximum aggregation (per Origin AS):          375206
    Deaggregation factor:                                          2.61
    Unique aggregates announced (without unneeded subnets):      476594
    Number of IPv4 prefixes with a valid ROA:                    538794
    Number of IPv4 prefixes with an invalid ROA:                    160
    Number of IPv4 prefixes with no ROA:                         438607
Total ASes present in the Internet Routing Table:                 76770
    Prefixes per ASN:                                             12.73
Origin-only ASes present in the Internet Routing Table:           65812
Origin ASes announcing only one prefix:                           26885
Transit ASes present in the Internet Routing Table:               10958
Transit-only ASes present in the Internet Routing Table:            547
Paths with bogon ASNs present in the IPv4 Routing Table:            308
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      61
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1203
    Number of instances of unregistered ASNs:                      1209
Number of 32-bit ASNs allocated by the RIRs:                      46148
Number of 32-bit ASNs visible in the Routing Table:               38059
Prefixes from 32-bit ASNs in the Routing Table:                  200409
Number of bogon 32-bit ASNs visible in the Routing Table:            36
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            448
Number of addresses announced to Internet:                   3105816064
    Equivalent to 185 /8s, 30 /16s and 254 /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:      320967

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

Prefixes being announced by APNIC Region ASes:                   255570
    Total APNIC prefixes after maximum aggregation:               76338
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247389
    Unique aggregates announced from the APNIC address blocks:   102761
APNIC Region origin ASes present in the Internet Routing Table:   14568
    APNIC Prefixes per ASN:                                       16.98
APNIC Region origin ASes announcing only one prefix:               4450
APNIC Region transit ASes present in the Internet Routing Table:   1963
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         56
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10079
Number of APNIC addresses announced to Internet:              747447808
    Equivalent to 44 /8s, 141 /16s and 38 /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:                    288635
    Total ARIN prefixes after maximum aggregation:               128840
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           289816
    Unique aggregates announced from the ARIN address blocks:    137359
ARIN Region origin ASes present in the Internet Routing Table:    19229
    ARIN Prefixes per ASN:                                        15.07
ARIN Region origin ASes announcing only one prefix:                7038
ARIN Region transit ASes present in the Internet Routing Table:    1977
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          35
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5177
Number of ARIN addresses announced to Internet:              1349486592
    Equivalent to 80 /8s, 111 /16s and 136 /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:                    273497
    Total RIPE prefixes after maximum aggregation:               133316
    RIPE Deaggregation factor:                                     2.05
Prefixes being announced from the RIPE address blocks:           271375
    Unique aggregates announced from the RIPE address blocks:    173584
RIPE Region origin ASes present in the Internet Routing Table:    28873
    RIPE Prefixes per ASN:                                         9.40
RIPE Region origin ASes announcing only one prefix:               12034
RIPE Region transit ASes present in the Internet Routing Table:    3977
Average RIPE Region AS path length visible:                         5.4
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12368
Number of RIPE addresses announced to Internet:               731602688
    Equivalent to 43 /8s, 155 /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:                  123398
    Total LACNIC prefixes after maximum aggregation:              29244
    LACNIC Deaggregation factor:                                   4.22
Prefixes being announced from the LACNIC address blocks:         120048
    Unique aggregates announced from the LACNIC address blocks:   48887
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:              2673
LACNIC Region transit ASes present in the Internet Routing Table:  2461
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        32
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9168
Number of LACNIC addresses announced to Internet:             171849216
    Equivalent to 10 /8s, 62 /16s and 54 /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:                  35258
    Total AfriNIC prefixes after maximum aggregation:              6728
    AfriNIC Deaggregation factor:                                  5.24
Prefixes being announced from the AfriNIC address blocks:         48484
    Unique aggregates announced from the AfriNIC address blocks:  13616
AfriNIC Region origin ASes present in the Internet Routing Table:  1904
    AfriNIC Prefixes per ASN:                                     25.46
AfriNIC Region origin ASes announcing only one prefix:              690
AfriNIC Region transit ASes present in the Internet Routing Table:  376
Average AfriNIC Region AS path length visible:                      6.1
    Max AfriNIC Region AS path length visible:                       61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1267
Number of AfriNIC addresses announced to Internet:            105196800
    Equivalent to 6 /8s, 69 /16s and 45 /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       10309       8753      89  CHINAMOBILE-CN China Mobile Communication
  7545        6212        843     656  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4247        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4220        530     274  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921       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        2852        849     537  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2170       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4766        2163      11521     628  KIXS-AS-KR Korea Telecom, KR

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12991      39641    3936  AMAZON-02, US
 11492        4687        311     584  CABLEONE, US
  7155        3828        286      85  VIASAT-SP-BACKBONE, US
 22773        3628       3055     224  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3621       1320      81  SHAW, CA
   174        3613       8766     960  COGENT-174, US
   749        3255      54879    2506  DNIC-AS-00749, US
 16625        3115       1311    2258  AKAMAI-AS, US
396982        2948       3649     465  GOOGLE-CLOUD-PLATFORM, US
 36352        2634        217     806  AS-COLOCROSSING, US

Complete listing at https://bgp.nsrc.org/REN/USP/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        4027       3395     129  AKAMAI-ASN1, NL
  9009        3765        325    1959  M247, RO
 12389        3067       2303     886  ROSTELECOM-AS, RU
 34984        2365        360     582  TELLCOM-AS, TR
212238        2080        148    1530  CDNEXT, GB
  8452        1620       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1480         98     744  CLOUVIDER Clouvider - Global ASN, GB

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11936       3244     585  UNINET, MX
 10620        3536        487     974  Telmex Colombia S.A., CO
 13999        2512        539     364  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        1193        371      22  Telefonica del Peru S.A.A., PE
 11664        1171        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1050         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/USP/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1702        599      30  RAYA-AS, EG
 24863        1643        389      16  LINKdotNET-AS, EG
 29571        1574        102      22  ORANGE-COTE-IVOIRE, CI
 36992        1429       1518     287  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1028        523      45  Vodafone-, EG
 20011         981        185     285  INTERNET-SOLUTIONS, ZA
 37069         932       1099      15  MOBINIL, EG
  6713         561       1861      35  IAM-AS, MA
 36914         545         82       3  KENET-AS, KE

Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12991      39641    3936  AMAZON-02, US
  8151       11936       3244     585  UNINET, MX
  9808       10309       8753      89  CHINAMOBILE-CN China Mobile Communication
 12479        7716       1714     145  UNI2-AS, ES
  7545        6212        843     656  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4687        311     584  CABLEONE, US
 18403        4247        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4220        530     274  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4027       3395     129  AKAMAI-ASN1, NL

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  8151       11936        11351  UNINET, MX
  9808       10309        10220  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7716         7571  UNI2-AS, ES
  7545        6212         5556  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4247         4222  FPT-AS-AP FPT Telecom Company, VN
 11492        4687         4103  CABLEONE, US
  9498        4220         3946  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4027         3898  AKAMAI-ASN1, NL
  7552        3921         3895  VIETEL-AS-AP Viettel Group, VN

Complete listing at https://bgp.nsrc.org/REN/USP/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/USP/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/USP/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/USP/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    /16:13924   /17:8281    /18:13757   
/19:24615   /20:43700   /21:51737   /22:111975  /23:101407  /24:603724  
/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        6637        7716  UNI2-AS, ES
  8151        6139       11936  UNINET, MX
 11492        3531        4687  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3621  SHAW, CA
  7155        2787        3828  VIASAT-SP-BACKBONE, US
 22773        2745        3628  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2333       12991  AMAZON-02, US
 30036        2224        2566  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2198        3536  Telmex Colombia S.A., CO

Complete listing at https://bgp.nsrc.org/REN/USP/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2329      2:1544      3:611       4:10        5:4618      6:163    
   7:6         8:1548      9:1        11:172      12:1373     13:350    
  14:2507     15:352      16:280      17:365      18:921      20:478    
  21:4        22:188      23:7391     24:2843     25:2        27:2743   
  29:19       31:3232     32:37       34:80       35:204      36:2398   
  37:4663     38:8971     39:899      40:160      41:4216     42:1899   
  43:2564     44:368      45:18466    46:4971     47:288      49:1920   
  50:1900     51:590      52:1550     54:300      55:749      56:11     
  57:251      58:2207     59:1217     60:1171     61:2779     62:2908   
  63:1834     64:5500     65:2127     66:4660     67:3063     68:1153   
  69:3979     70:1122     71:624      72:2839     74:2806     75:1606   
  76:611      77:2736     78:1894     79:1736     80:2195     81:2034   
  82:3130     83:1420     84:1840     85:3398     86:1041     87:2162   
  88:1317     89:4324     90:776      91:8323     92:2797     93:2879   
  94:4053     95:4318     96:1443     97:312      98:1023     99:640    
 100:70      101:1147    102:3736    103:32182   104:4760    105:757    
 106:990     107:2634    108:1200    109:4092    110:2223    111:3331   
 112:2041    113:1802    114:1961    115:2217    116:2032    117:2749   
 118:2899    119:1953    120:1872    121:1370    122:2750    123:2178   
 124:1565    125:2857    126:91      128:1594    129:960     130:1274   
 131:1891    132:779     133:451     134:1522    135:332     136:1305   
 137:1251    138:2900    139:1619    140:1558    141:1482    142:1839   
 143:1641    144:1060    145:517     146:2160    147:2108    148:2649   
 149:2904    150:1241    151:1743    152:2103    153:569     154:7879   
 155:1633    156:3192    157:1899    158:1271    159:2431    160:3560   
 161:1905    162:3720    163:2011    164:1693    165:2200    166:1444   
 167:1875    168:4051    169:793     170:5077    171:1005    172:4488   
 173:3233    174:918     175:1295    176:3673    177:4674    178:3788   
 179:2320    180:2588    181:4054    182:3372    183:2035    184:2156   
 185:21538   186:5088    187:4403    188:4195    189:4179    190:9636   
 191:1454    192:11211   193:9412    194:7779    195:5532    196:3286   
 197:3677    198:6102    199:8444    200:8185    201:6291    202:10383  
 203:10599   204:4529    205:3640    206:4630    207:3483    208:4202   
 209:5144    210:4567    211:2533    212:4505    213:3765    214:1050   
 215:48      216:6607    217:3106    218:1331    219:374     220:2074   
 221:1069    222:714     223:2313   

End of report


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